I'm announcing the release of the 3.16.50 kernel. All users of the 3.16 kernel series should upgrade. The updated 3.16.y git tree can be found at: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git linux-3.16.y and can be browsed at the normal kernel.org git web browser: https://git.kernel.org/?p=linux/kernel/git/stable/linux-stable.git The diff from 3.16.49 is attached to this message. Ben. ------------ Documentation/video4linux/v4l2-pci-skeleton.c | 2 +- Makefile | 3 +- arch/alpha/include/asm/types.h | 1 - arch/alpha/include/uapi/asm/types.h | 12 +- arch/arm/include/asm/kexec.h | 5 + arch/arm/kernel/iwmmxt.S | 13 + arch/arm/kernel/machine_kexec.c | 11 +- arch/arm/kernel/pj4-cp0.c | 4 + arch/arm/kernel/return_address.c | 4 - arch/arm/mach-cns3xxx/Makefile | 1 + arch/arm/mach-omap2/Kconfig | 3 - arch/arm/mach-pxa/Kconfig | 1 + arch/arm/mm/cache-l2x0.c | 111 ++--- arch/arm/plat-omap/Kconfig | 3 + arch/arm64/kernel/fpsimd.c | 2 + arch/arm64/mm/fault.c | 5 +- arch/mips/boot/elf2ecoff.c | 10 +- arch/mips/dec/int-handler.S | 18 +- arch/mips/include/asm/page.h | 3 +- arch/mips/jz4740/board-qi_lb60.c | 1 + arch/mips/jz4740/gpio.c | 1 + arch/mips/jz4740/irq.h | 2 + arch/mips/kernel/bmips_vec.S | 3 - arch/mips/pci/ops-pmcmsp.c | 12 - arch/mips/pci/ops-tx4927.c | 2 - arch/mips/sgi-ip22/Platform | 2 +- arch/powerpc/boot/Makefile | 16 +- arch/powerpc/kvm/book3s_hv.c | 2 + arch/powerpc/mm/subpage-prot.c | 2 +- arch/powerpc/platforms/pseries/reconfig.c | 1 - arch/x86/boot/compressed/misc.h | 11 +- arch/x86/crypto/sha1_avx2_x86_64_asm.S | 67 +-- arch/x86/crypto/sha1_ssse3_glue.c | 2 +- arch/x86/kernel/acpi/boot.c | 8 + arch/x86/kernel/cpu/perf_event.c | 7 +- arch/x86/kernel/entry_64.S | 2 + arch/x86/kernel/kprobes/core.c | 10 +- arch/x86/kernel/kvm.c | 6 +- arch/x86/xen/mmu.c | 2 +- arch/xtensa/kernel/xtensa_ksyms.c | 2 - arch/xtensa/mm/cache.c | 12 +- block/bio.c | 8 + drivers/ata/libata-scsi.c | 6 +- drivers/ata/pata_hpt366.c | 4 +- drivers/block/drbd/drbd_bitmap.c | 6 + drivers/block/paride/pg.c | 4 +- drivers/clk/clk-efm32gg.c | 6 +- drivers/dma/amba-pl08x.c | 4 +- drivers/gpio/gpio-tegra.c | 6 +- drivers/gpu/drm/drm_gem.c | 6 +- drivers/gpu/drm/i915/i915_debugfs.c | 5 +- drivers/gpu/drm/msm/msm_gem_submit.c | 7 +- drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c | 2 +- drivers/hid/usbhid/hid-core.c | 12 +- drivers/i2c/busses/i2c-ismt.c | 5 + drivers/i2c/muxes/Kconfig | 2 +- drivers/iio/adc/exynos_adc.c | 2 +- drivers/iio/adc/vf610_adc.c | 2 +- drivers/iio/imu/adis16480.c | 2 +- drivers/iio/light/tsl2563.c | 2 +- drivers/infiniband/core/cma.c | 2 + drivers/infiniband/core/uverbs_cmd.c | 5 +- drivers/infiniband/core/uverbs_main.c | 3 +- drivers/infiniband/hw/cxgb3/iwch_provider.c | 5 +- drivers/infiniband/hw/cxgb4/cq.c | 1 + drivers/infiniband/hw/mlx5/mem.c | 2 +- drivers/infiniband/hw/ocrdma/ocrdma_verbs.c | 4 +- drivers/infiniband/ulp/ipoib/ipoib_cm.c | 1 - drivers/infiniband/ulp/ipoib/ipoib_main.c | 3 +- drivers/input/joystick/analog.c | 2 +- drivers/input/mouse/trackpoint.c | 3 +- drivers/input/mouse/trackpoint.h | 3 +- drivers/input/serio/gscps2.c | 2 +- drivers/iommu/amd_iommu_init.c | 2 +- drivers/irqchip/irq-brcmstb-l2.c | 1 + drivers/isdn/hardware/mISDN/mISDNipac.c | 12 +- drivers/isdn/hardware/mISDN/w6692.c | 6 +- drivers/md/dm-bufio.c | 1 + drivers/md/dm.c | 10 - drivers/md/raid5.c | 6 +- drivers/media/platform/davinci/vpfe_capture.c | 22 +- drivers/media/rc/ir-lirc-codec.c | 2 +- drivers/message/i2o/i2o_config.c | 4 +- drivers/mfd/arizona-core.c | 4 +- drivers/mfd/arizona-i2c.c | 5 +- drivers/mfd/arizona-spi.c | 3 +- drivers/mfd/arizona.h | 4 +- drivers/mtd/maps/pmcmsp-flash.c | 4 +- drivers/mtd/maps/rbtx4939-flash.c | 2 - drivers/mtd/nand/nandsim.c | 1 + drivers/net/Kconfig | 3 + drivers/net/ethernet/amd/amd8111e.c | 19 +- drivers/net/ethernet/amd/nmclan_cs.c | 4 +- drivers/net/ethernet/broadcom/b44.c | 1 + drivers/net/ethernet/broadcom/bcmsysport.c | 4 +- drivers/net/ethernet/broadcom/genet/bcmgenet.c | 456 ++++++++++----------- drivers/net/ethernet/broadcom/genet/bcmgenet.h | 9 + drivers/net/ethernet/dec/tulip/tulip_core.c | 9 +- drivers/net/ethernet/dec/tulip/uli526x.c | 2 +- drivers/net/ethernet/dec/tulip/winbond-840.c | 2 +- drivers/net/ethernet/emulex/benet/be_main.c | 1 - drivers/net/ethernet/intel/e1000e/ich8lan.c | 13 +- drivers/net/ethernet/intel/i40e/i40e_debugfs.c | 30 +- drivers/net/ethernet/intel/i40e/i40e_txrx.c | 2 + drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c | 4 + drivers/net/ethernet/mellanox/mlx4/en_ethtool.c | 15 +- drivers/net/ethernet/mellanox/mlx4/en_netdev.c | 10 +- drivers/net/ethernet/mellanox/mlx4/en_tx.c | 6 +- drivers/net/ethernet/mellanox/mlx4/fw.c | 4 + drivers/net/ethernet/mellanox/mlx4/fw.h | 1 + drivers/net/ethernet/mellanox/mlx4/main.c | 2 + drivers/net/ethernet/mellanox/mlx5/core/cmd.c | 19 +- drivers/net/ethernet/mellanox/mlx5/core/debugfs.c | 6 +- drivers/net/ethernet/neterion/vxge/vxge-main.c | 31 +- drivers/net/ethernet/qlogic/netxen/netxen_nic_hw.c | 2 +- drivers/net/ethernet/qlogic/qlge/qlge_dbg.c | 2 +- drivers/net/ethernet/realtek/r8169.c | 5 +- drivers/net/ethernet/ti/cpmac.c | 7 +- drivers/net/ethernet/xilinx/ll_temac_main.c | 2 +- drivers/net/ethernet/xilinx/xilinx_axienet_mdio.c | 2 +- drivers/net/ethernet/xilinx/xilinx_emaclite.c | 2 +- drivers/net/hyperv/netvsc_drv.c | 9 +- drivers/net/wireless/brcm80211/brcmfmac/fwsignal.c | 2 +- .../net/wireless/brcm80211/brcmfmac/wl_cfg80211.c | 18 +- drivers/net/wireless/hostap/hostap_hw.c | 15 +- drivers/net/wireless/iwlegacy/3945.c | 3 +- drivers/net/wireless/iwlwifi/dvm/tx.c | 2 +- drivers/net/wireless/iwlwifi/mvm/sta.c | 3 +- drivers/net/wireless/ti/wl1251/main.c | 1 + drivers/of/device.c | 2 + drivers/parisc/dino.c | 2 +- drivers/pinctrl/sunxi/pinctrl-sun4i-a10.c | 1 + drivers/platform/x86/samsung-laptop.c | 2 +- drivers/power/reset/xgene-reboot.c | 2 +- drivers/s390/net/qeth_l3_main.c | 4 +- drivers/scsi/advansys.c | 3 +- drivers/scsi/aic94xx/aic94xx_sds.c | 5 +- drivers/scsi/be2iscsi/be_main.c | 3 +- drivers/scsi/bfa/bfa_ioc.c | 22 +- drivers/scsi/ips.c | 9 +- drivers/scsi/mvsas/mv_sas.c | 4 +- drivers/scsi/scsi_tgt_if.c | 2 +- drivers/scsi/st.c | 4 +- drivers/spi/spi-atmel.c | 4 +- drivers/spi/spi-pl022.c | 2 +- drivers/spi/spi-rspi.c | 1 - drivers/spmi/spmi.c | 12 + drivers/staging/bcm/Kconfig | 1 + drivers/staging/dgnc/dgnc_tty.c | 16 +- drivers/staging/iio/adc/ad7192.c | 2 +- drivers/staging/iio/resolver/ad2s1210.c | 2 +- drivers/staging/imx-drm/imx-hdmi.c | 2 +- drivers/staging/lustre/lustre/llite/llite_lib.c | 3 +- drivers/staging/rtl8188eu/os_dep/usb_intf.c | 2 + drivers/staging/rtl8192ee/pci.c | 4 +- drivers/staging/rtl8723au/core/rtw_wlan_util.c | 2 +- drivers/staging/vt6655/device_main.c | 10 +- drivers/staging/wlan-ng/prism2fw.c | 33 +- drivers/target/iscsi/iscsi_target.c | 1 + drivers/target/iscsi/iscsi_target_core.h | 1 + drivers/target/iscsi/iscsi_target_login.c | 7 +- drivers/tty/isicom.c | 2 +- drivers/tty/nozomi.c | 2 +- drivers/usb/class/cdc-acm.c | 3 + drivers/usb/core/config.c | 20 +- drivers/usb/core/hcd.c | 2 + drivers/usb/core/hub.c | 10 +- drivers/usb/core/quirks.c | 4 + drivers/usb/host/pci-quirks.c | 71 +++- drivers/usb/host/pci-quirks.h | 2 + drivers/usb/host/xhci-hub.c | 3 + drivers/usb/host/xhci-pci.c | 6 + drivers/usb/host/xhci-ring.c | 11 +- drivers/usb/host/xhci.c | 10 +- drivers/usb/host/xhci.h | 1 + drivers/usb/misc/usbtest.c | 5 +- drivers/usb/renesas_usbhs/common.c | 4 +- drivers/usb/renesas_usbhs/mod_gadget.c | 42 +- drivers/usb/renesas_usbhs/pipe.c | 10 + drivers/usb/renesas_usbhs/pipe.h | 1 + drivers/usb/serial/cp210x.c | 1 + drivers/usb/serial/option.c | 2 + drivers/usb/storage/isd200.c | 5 +- drivers/usb/storage/uas-detect.h | 15 +- drivers/usb/storage/uas.c | 10 +- drivers/usb/storage/unusual_uas.h | 4 +- drivers/video/fbdev/Kconfig | 3 +- fs/cifs/dir.c | 19 +- fs/cifs/smb2pdu.c | 4 +- fs/cifs/smb2pdu.h | 4 +- fs/eventpoll.c | 36 +- fs/ext4/file.c | 3 + fs/ext4/resize.c | 3 +- fs/fuse/file.c | 2 +- fs/gfs2/dir.c | 11 +- fs/nfs/client.c | 1 + fs/nfsd/nfs4xdr.c | 6 +- fs/nilfs2/btree.c | 2 +- fs/nilfs2/recovery.c | 4 +- fs/nilfs2/super.c | 5 +- fs/ocfs2/acl.c | 27 +- fs/xfs/xfs_ialloc.c | 2 +- include/asm-generic/topology.h | 6 +- include/linux/cpumask.h | 6 +- include/linux/device-mapper.h | 70 ++-- include/linux/fs.h | 4 +- include/linux/ftrace_event.h | 2 +- include/linux/gpio/driver.h | 2 +- include/linux/mlx4/device.h | 1 + include/linux/mm_types.h | 31 +- include/linux/module.h | 2 +- include/linux/mtd/map.h | 12 +- include/linux/perf_event.h | 28 +- include/linux/workqueue.h | 4 +- include/net/dst.h | 13 +- include/net/ip6_fib.h | 35 +- include/net/ip6_route.h | 2 +- include/net/ip_fib.h | 10 +- include/net/sch_generic.h | 5 +- include/net/sctp/sctp.h | 4 + include/rdma/ib_addr.h | 6 +- include/trace/ftrace.h | 7 +- include/uapi/linux/usb/ch9.h | 1 + kernel/audit_watch.c | 12 +- kernel/events/core.c | 135 +++--- kernel/fork.c | 2 +- kernel/sched/core.c | 2 +- kernel/trace/trace.c | 1 + kernel/trace/trace_event_perf.c | 4 +- kernel/trace/trace_events_filter.c | 4 + kernel/trace/trace_kprobe.c | 4 +- kernel/trace/trace_syscalls.c | 4 +- kernel/trace/trace_uprobe.c | 2 +- kernel/workqueue.c | 23 +- lib/assoc_array.c | 51 +-- lib/cpumask.c | 74 ++-- mm/hugetlb.c | 12 +- mm/mempolicy.c | 5 - mm/mprotect.c | 4 +- mm/page_alloc.c | 37 +- net/batman-adv/translation-table.c | 57 ++- net/batman-adv/types.h | 2 + net/bridge/br_device.c | 3 +- net/bridge/br_input.c | 3 +- net/bridge/br_netfilter.c | 2 +- net/caif/cfpkt_skbuff.c | 2 +- net/ceph/messenger.c | 6 +- net/core/dev.c | 23 +- net/core/dst.c | 45 +- net/core/pktgen.c | 2 +- net/ipv4/fib_frontend.c | 9 +- net/ipv4/fib_semantics.c | 27 +- net/ipv4/netfilter/ipt_CLUSTERIP.c | 4 +- net/ipv4/netfilter/nft_reject_ipv4.c | 2 + net/ipv4/route.c | 10 +- net/ipv4/udp_offload.c | 2 +- net/ipv6/addrconf.c | 2 +- net/ipv6/ip6_fib.c | 37 +- net/ipv6/ip6_tunnel.c | 2 +- net/ipv6/netfilter/nft_reject_ipv6.c | 2 + net/ipv6/output_core.c | 6 +- net/ipv6/route.c | 26 +- net/ipv6/tcp_ipv6.c | 3 +- net/ipv6/udp_offload.c | 2 +- net/ipv6/xfrm6_policy.c | 6 +- net/key/af_key.c | 48 ++- net/l2tp/l2tp_core.c | 79 ++-- net/l2tp/l2tp_core.h | 18 +- net/l2tp/l2tp_netlink.c | 72 ++-- net/mac80211/key.c | 20 +- net/netfilter/ipvs/ip_vs_xmit.c | 2 +- net/netfilter/nft_compat.c | 6 +- net/netfilter/nft_ct.c | 8 + net/netfilter/nft_reject.c | 2 + net/packet/af_packet.c | 30 +- net/sched/sch_api.c | 2 + net/sched/sch_cbq.c | 10 +- net/sched/sch_fq_codel.c | 4 +- net/sched/sch_hfsc.c | 4 +- net/sched/sch_hhf.c | 11 +- net/sched/sch_htb.c | 5 +- net/sched/sch_mq.c | 10 +- net/sched/sch_mqprio.c | 19 +- net/sched/sch_multiq.c | 9 +- net/sched/sch_netem.c | 4 +- net/sched/sch_sfq.c | 8 +- net/sched/sch_tbf.c | 5 +- net/sctp/ipv6.c | 2 +- net/xfrm/xfrm_user.c | 2 + scripts/mod/modpost.c | 34 +- security/keys/key.c | 10 + security/keys/keyctl.c | 5 + sound/core/control.c | 2 +- sound/core/seq/seq_clientmgr.c | 6 +- sound/core/seq/seq_lock.c | 4 - sound/core/seq/seq_lock.h | 12 - sound/core/seq/seq_ports.c | 7 +- sound/pci/hda/patch_conexant.c | 1 + sound/pci/hda/patch_realtek.c | 1 + sound/soc/codecs/adau1977.c | 2 +- sound/soc/fsl/fsl_sai.c | 3 +- sound/soc/fsl/fsl_ssi.c | 4 +- sound/soc/fsl/imx-audmux.c | 8 +- sound/soc/soc-pcm.c | 4 + sound/usb/card.c | 20 + sound/usb/mixer.c | 14 +- sound/usb/mixer.h | 3 + sound/usb/mixer_quirks.c | 6 + tools/perf/ui/browser.c | 2 +- 309 files changed, 1999 insertions(+), 1318 deletions(-) A Raghavendra Rao (1): Staging: wlan-ng: fix sparse warning in prism2fw.c Aaron Ma (1): Input: trackpoint - add new trackpoint firmware ID Akinobu Mita (1): iio: light: tsl2563: use correct event code Alan Stern (4): USB: Check for dropped connection before switching to full speed USB: uas: fix bug in handling of alternate settings usb: usbtest: fix NULL pointer dereference USB: core: fix out-of-bounds access bug in usb_get_bos_descriptor() Alan Swanson (1): uas: Add US_FL_IGNORE_RESIDUE for Initio Corporation INIC-3069 Alban Bedel (1): MIPS: Fix the build on jz4740 after removing the custom gpio.h Alex Vesker (1): IB/ipoib: Prevent setting negative values to max_nonsrq_conn_qp Alexander Potapenko (1): sctp: don't dereference ptr before leaving _sctp_walk_{params, errors}() Andrew Morton (1): MODULE_DEVICE_TABLE: fix some callsites Andrey Ryabinin (1): module: fix types of device tables aliases Andy Lutomirski (1): x86/asm/64: Clear AC on NMI entries Andy Shevchenko (1): platform/x86: samsung-laptop: Initialize loca variable Aneesh Kumar K.V (1): powerpc/mm/hash: Free the subpage_prot_table correctly Anil Gurumurthy (1): bfa: Fix indentation Ard Biesheuvel (2): ARM: 8221/1: PJ4: allow building in Thumb-2 mode ARM: 8452/3: PJ4: make coprocessor access sequences buildable in Thumb2 mode Arend Van Spriel (1): brcmfmac: add length check in brcmf_cfg80211_escan_handler() Arnd Bergmann (35): staging:iio:resolver:ad2s1210 fix negative IIO_ANGL_VEL read ARM: pxa: select both FB and FB_W100 for eseries qlge: avoid memcpy buffer overflow gfs2: remove IS_ERR_VALUE abuse iio: adc: fix building on 64-bit infiniband: mlx5: avoid a compile-time warning ata: hpt366: fix constant cast warning tty: nozomi: avoid a harmless gcc warning tty/isicom: fix big-endian compile warning i2o: hide unsafe ioctl on 64-bit dm bufio: hide bogus warning scsi-tgt: fix type conversion warning scsi: advansys: remove #warning message mtd: pmcmsp: use kstrndup instead of kmalloc+strncpy mlx5: avoid build warnings on 32-bit mISDN: avoid arch specific __builtin_return_address call cpmac: remove hopeless #warning net: caif: fix misleading indentation net: am2150: fix nmclan_cs.c shared interrupt handling net: tulip: turn compile-time warning into dev_warn() net: vxge: avoid unused function warnings hostap: avoid uninitialized variable use in hfa384x_get_rid iwlegacy: avoid warning about missing braces brcmfmac: avoid gcc-5.1 warning video: mx3fb: always enable BACKLIGHT_LCD_SUPPORT staging: bcm: add 32-bit host dependency staging: imx-drm: fix indentation warning staging: vt6655: fix overly large stack usage ARM: cns3xxx: shut up frame size warning ARM: 8296/1: cache-l2x0: clean up aurora cache handling MIPS: ip22: Fix ip28 build for modern gcc staging: r8192ee: prorperly format warning message mtd: cfi: reduce stack size MIPS: jz4740: fix build error in irq.h net/xen-netback: disable on 64KB page granularity Atsushi Nemoto (2): mtd: maps: rbtx4939-flash: delete an unused variable in rbtx4939_flash_remove MIPS: TXx9: Delete an unused variable in tx4927_pcibios_setup Banajit Goswami (1): ASoC: do not close shared backend dailink Bart Van Assche (2): IB/cma: Fix a race condition in iboe_addr_get_sgid() dm: fix printk() rate limiting code Ben Hutchings (4): dst: Increase alignment of metrics to allow extra flag on pointers alpha: uapi: Add support for __SANE_USERSPACE_TYPES__ ALSA: seq: Enable 'use' locking in all configurations Linux 3.16.50 Bjorn Andersson (1): spmi: Include OF based modalias in device uevent Bodo Stroesser (1): scsi: st: fix blk_get_queue usage Charles Milette (1): staging: rtl8188eu: add RNX-N150NUB support Chen Yu (1): PM/hibernate: touch NMI watchdog when creating snapshot Chris Gorman (1): i2c: mux: pinctrl: mention correct module name in Kconfig help text Chris Wilson (1): drm: Release driver tracking before making the object available again Chuck Lever (1): nfsd: Limit end of page list when decoding NFSv4 WRITE Chunyu Hu (1): tracing: Fix kmemleak in instance_rmdir Colin Ian King (3): usb: storage: return on error to avoid a null pointer dereference netxen: fix incorrect loop counter decrement Staging: iio: adc: fix indent on break statement Cong Wang (1): wl1251: add a missing spin_lock_init() Dan Carpenter (11): libceph: potential NULL dereference in ceph_msg_data_create() libata: array underflow in ata_find_dev() cxgb4: Fix error codes in c4iw_create_cq() IB/cxgb3: Fix error codes in iwch_alloc_mr() RDMA/ocrdma: Fix an error code in ocrdma_alloc_pd() RDMA/ocrdma: Fix error codes in ocrdma_create_srq() drm/msm: fix an integer overflow test x86/ldt: Fix off by one in get_segment_base() paride: fix the "verbose" module param drm/i915: cleanup some indenting Staging: lustre: missing curly braces in ll_setattr_raw() Dave Martin (1): arm64: fpsimd: Prevent registers leaking across exec David Howells (2): assoc_array: Fix a buggy node-splitting case KEYS: don't let add_key() update an uninstantiated key David Malcolm (1): drivers/net/ethernet/dec/tulip/uli526x.c: fix misleading indentation in uli526x_timer David Miller (1): netfilter: Fix switch statement warnings with recent gcc. David S. Miller (1): netfilter; Add some missing default cases to switch statements in nft_reject. Doug Berger (2): net: bcmgenet: Fix unmapping of fragments in bcmgenet_xmit() net: bcmgenet: Free skb after last Tx frag Dragos Bogdan (1): iio: imu: adis16480: Fix acceleration scale factor for adis16480 Emmanuel Grumbach (1): iwlwifi: dvm: prevent an out of bounds access Eric Biggers (1): KEYS: prevent KEYCTL_READ on negative key Eric Dumazet (6): net: reduce skb_warn_bad_offload() noise net: skb_needs_check() accepts CHECKSUM_NONE for tx af_key: do not use GFP_KERNEL in atomic contexts ipv4: add reference counting to metrics ipv4: fix NULL dereference in free_fib_info_rcu() net_sched: fix error recovery at qdisc creation Feras Daoud (1): IB/ipoib: Set IPOIB_NEIGH_TBL_FLUSH after flushed completion initialization Florian Fainelli (12): net: bcmgenet: check harder for out of memory conditions net: bcmgenet: fix off-by-one in incrementing read pointer net: bcmgenet: update ring producer index and buffer count in xmit b44: Initialize 64-bit stats seqcount i40e: Initialize 64-bit statistics TX ring seqcount ixgbe: Initialize 64-bit stats seqcounts irqchip: brcmstb-l2: Define an irq_pm_shutdown function net: systemport: Be drop monitor friendly net: bcmgenet: Be drop monitor friendly net: systemport: Free DMA coherent descriptors on errors r8169: Do not increment tx_dropped in TX ring cleaning r8169: Be drop monitor friendly Geert Uytterhoeven (2): Input: gscps2 - fix MODULE_DEVICE_TABLE invocation spi: rspi: Remove unused variable in rspi_rz_transfer_one() Gerald Schaefer (1): mm/hugetlb: improve locking in dissolve_free_huge_pages() Greg Kroah-Hartman (1): USB: fix out-of-bounds in usb_set_configuration Guillaume Nault (8): l2tp: initialise session's refcount before making it reachable l2tp: define parameters of l2tp_session_get*() as "const" l2tp: hold tunnel while looking up sessions in l2tp_netlink l2tp: hold tunnel while processing genl delete command l2tp: hold tunnel while handling genl tunnel updates l2tp: hold tunnel while handling genl TUNNEL_GET commands l2tp: remove useless duplicate session detection in l2tp_netlink l2tp: hold tunnel used while creating sessions with netlink Hannes Reinecke (1): aic94xx: Skip reading user settings if flash is not found Hector Martin (1): USB: serial: option: add D-Link DWM-222 device ID Icenowy Zheng (1): pinctrl: sunxi: add a missing function of A10/A20 pinctrl driver Inbar Karmy (1): net/mlx4_en: Fix wrong indication of Wake-on-LAN (WoL) support Ingo Molnar (1): x86/boot: Add CONFIG_PARAVIRT_SPINLOCKS quirk to arch/x86/boot/compressed/misc.h Ismail, Mustafa (2): RDMA/uverbs: Fix the check for port number RDMA/core: Initialize port_num in qp_attr Iván Briano (1): net/packet: Fix Tx queue selection for AF_PACKET Jaejoong Kim (1): HID: usbhid: fix out-of-bounds bug James Bottomley (1): ips: remove pointless #warning Jan Kara (3): ocfs2: don't clear SGID when inheriting ACLs ext4: fix SEEK_HOLE/SEEK_DATA for blocksize < pagesize audit: Fix use after free in audit_remove_watch_rule() Jeff Kirsher (2): am2150: Update nmclan_cs.c to use update PCMCIA API e1000e: fix call to do_div() to use u64 arg Jerry Lee (1): ext4: fix overflow caused by missing cast in ext4_resize_fs() Jiahau Chang (1): xhci: Bad Ethernet performance plugged in ASM1042A host Jin Yao (1): perf annotate: Fix broken arrow at row 0 connecting jmp instruction to its target Jiri Olsa (1): perf/core: Fix locking for children siblings group read Joe Perches (2): dm: convert DM printk macros to pr_<level> macros i40e: Reduce stack in i40e_dbg_dump_desc Joerg Roedel (1): iommu/amd: Fix schedule-while-atomic BUG in initialization code Johan Hovold (1): USB: cdc-acm: add device-id for quirky printer Johannes Berg (1): mac80211: accept key reinstall without changing anything Juergen Gross (1): x86/xen: fix upper bound of pmd loop in xen_cleanhighmap() Julian Wiedmann (1): s390/qeth: fix L3 next-hop in xmit qeth hdr Kai-Heng Feng (1): usb: quirks: Add no-lpm quirk for Moshi USB to Ethernet Adapter Kalderon, Michal (1): IB/cma: Fix reference count leak when no ipv4 addresses are set Kasin Li (1): drm/msm: Fix potential buffer overflow issue Kevin Cernekee (1): MIPS: BMIPS: Fix ".previous without corresponding .section" warnings Konrad Zapalowicz (1): staging: dgnc: Fix frame size is larger than 1024B Konstantin Khlebnikov (2): net_sched/sfq: update hierarchical backlog when drop packet net_sched: fix order of queue length updates in qdisc_replace() Lars Ellenberg (1): drbd: avoid redefinition of BITS_PER_PAGE Laurent Vivier (1): powerpc/pseries: Fix of_node_put() underflow during reconfig remove Lee Jones (1): mfd: arizona: Rid data size incompatibility warn when building for 64bit Leon Romanovsky (2): IB/ipoib: Remove double pointer assigning RDMA/uverbs: Prevent leak of reserved field Linus Lüssing (1): batman-adv: fix TT sync flag inconsistencies Linus Torvalds (2): Clarify (and fix) MAX_LFS_FILESIZE macros Disable "frame-address" warning Linus Walleij (1): gpio: drop retval check enforcing from gpiochip_remove() Luis de Bethencourt (2): mvsas: fix misleading indentation staging: rtl8723au: core: rtw_wlan_util: fix misleading indentation Maciej W. Rozycki (1): MIPS: DEC: Fix an int-handler.S CPU_DADDI_WORKAROUNDS regression Mahesh Bandewar (1): ipv4: initialize fib_trie prior to register_netdev_notifier call. Manuel Schölling (1): xilinx: Fix compiler warning Mark Brown (7): power/reset: xgene-reset: Fix prototype of xgene_restart() Input: joystick - use get_cycles on ARMv8 dma: pl08x: Use correct specifier for size_t values ASoC: imx-audmux: Use uintptr_t for port numbers ASoC: adau1977: Fix truncation warning on 64 bit architectures spi/atmel: Fix pointer to int conversion warnings on 64 bit builds spi/pl022: Explicitly truncate large bitmask Mark Rutland (2): arm64: mm: abort uaccess retries upon fatal signal perf/core: Fix group {cpu,task} validation Martin KaFai Lau (1): ipv6: Add rt6_get_cookie() function Masami Hiramatsu (1): kprobes/x86: Release insn_slot in failure path Mateusz Jurczyk (1): fuse: initialize the flock flag in fuse_file on allocation Mathias Krause (2): xfrm_user: fix info leak in xfrm_notify_sa() xfrm_user: fix info leak in build_aevent() Mathias Nyman (2): xhci: Fix NULL pointer dereference when cleaning up streams for removed host xhci: fix 20000ms port resume timeout Max Filippov (3): xtensa: fix cache aliasing handling code for WT cache xtensa: don't limit csum_partial export by CONFIG_NET xtensa: mm/cache: add missing EXPORT_SYMBOLs Michael Ellerman (1): powerpc/boot: Fix 64-bit boot wrapper build with non-biarch compiler Michael Gugino (1): staging: rtl8188eu: add TL-WN722N v2 support Michał Mirosław (1): gpio: tegra: fix unbalanced chained_irq_enter/exit Moshe Shemesh (1): net/mlx5: Fix command bad flow on command entry allocation failure Nadav Amit (1): mm: migrate: prevent racy access to tlb_flush_pending Naftali Goldstein (1): iwlwifi: mvm: set the RTS_MIMO_PROT bit in flag mask when sending sta to fw Nicholas Bellinger (1): iscsi-target: Fix iscsi_np reset hung task during parallel delete Nicolin Chen (1): ASoC: fsl_sai: Set SYNC bit of TCR2 to Asynchronous Mode Nikolay Aleksandrov (9): net: bridge: fix dest lookup when vlan proto doesn't match sch_htb: fix crash on init failure sch_multiq: fix double free on init failure sch_hhf: fix null pointer dereference on init failure sch_hfsc: fix null pointer deref and double free on init failure sch_cbq: fix null pointer dereferences on init failure sch_fq_codel: avoid double free on init failure sch_netem: avoid null pointer deref on init failure sch_tbf: fix two null pointer dereferences on init failure Nikolay Borisov (1): ARM: kexec: Make .text R/W in machine_kexec Ofer Heifetz (1): md/raid5: add thread_group worker async_tx_issue_pending_all Oleg Nesterov (1): epoll: fix race between ep_poll_callback(POLLFREE) and ep_free()/ep_remove() Oliver O'Halloran (1): mm/init: fix zone boundary creation Omar Sandoval (1): xfs: fix inobt inode allocation search optimization Paul Burton (1): net: ti: cpmac: Fix compiler warning due to type confusion Paul Gortmaker (2): modpost: expand pattern matching to support substring matches modpost: don't emit section mismatch warnings for compiler optimizations Paul Mackerras (1): KVM: PPC: Book3S HV: Enable TM before accessing TM registers Pavel Shilovsky (1): CIFS: Fix maximum SMB2 header size Peter Zijlstra (1): perf/core: Invert perf_read_group() loops Peter Zijlstra (Intel) (1): perf: Avoid horrible stack usage Petri Gynther (4): net: bcmgenet: simplify __bcmgenet_tx_reclaim() net: bcmgenet: rewrite bcmgenet_rx_refill() net: bcmgenet: fix dev->stats.tx_bytes accounting net: bcmgenet: cleanup for bcmgenet_xmit_frag() Pontus Andersson (1): i2c: ismt: Separate I2C block read from SMBus block read Prabhakar Lad (1): media: platform: davinci: return -EINVAL for VPFE_CMD_S_CCDC_RAW_PARAMS ioctl Rafael J. Wysocki (1): USB: hcd: Mark secondary HCD as dead if the primary one died Ralf Baechle (3): MIPS: DEC: Avoid la pseudo-instruction in delay slots MIPS: elf2ecoff: Fix warning due to dead code. MIPS: elf2ecoff: Ignore PT_MIPS_ABIFLAGS program headers. Ronnie Sahlberg (2): cifs: return ENAMETOOLONG for overlong names in cifs_open()/cifs_lookup() cifs: check MaxPathNameComponentLength != 0 before using it Russell King (1): ARM: kexec: fix failure to boot crash kernel Rusty Russell (1): cpumask_set_cpu_local_first => cpumask_local_spread, lament Ryusuke Konishi (1): nilfs2: fix gcc uninitialized-variable warnings in powerpc build Sabrina Dubroca (1): netfilter: ipt_CLUSTERIP: fix use-after-free of proc entry Sachin Prabhu (1): cifs: Fix df output for users with quota limits Sandeep Singh (1): usb:xhci:Add quirk for Certain failing HP keyboard on reset after resume Sean Young (1): media: lirc: LIRC_GET_REC_RESOLUTION should return microseconds Sergei A. Trusov (1): ALSA: hda - Fix speaker output from VAIO VPCL14M1R Sergey Ryazanov (1): MIPS: MSP71xx: remove odd locking in PCI config space access code Seunghun Han (1): x86/acpi: Prevent out of bound access caused by broken ACPI tables Shu Wang (1): xhci: fix memleak in xhci_run() Sinclair Yeh (1): drm/vmwgfx: Fix gcc-7.1.1 warning Stefan Triller (1): USB: serial: cp210x: add support for Qivicon USB ZigBee dongle Stefan-Gabriel Mirea (1): iio: adc: vf610_adc: Fix VALT selection value for REFSEL bits Stefano Brivio (1): ipv6: accept 64k - 1 packet length in ip6_find_1stfragopt() Steffen Klassert (1): ipv6: Fix may be used uninitialized warning in rt6_check Stephen Boyd (1): of: device: Export of_device_{get_modalias, uvent_modalias} to modules Stephen Douthit (2): i2c: ismt: Don't duplicate the receive length for block reads i2c: ismt: Return EMSGSIZE for block reads with bogus length Steve Dickson (1): mount: copy the port field into the cloned nfs_server structure. Steve French (1): CIFS: remove endian related sparse warning Steven Rostedt (VMware) (1): tracing: Fix freeing of filter in create_filter() when set_str is false Takashi Iwai (6): ALSA: usb-audio: Add mute TLV for playback volumes on C-Media devices ALSA: core: Fix unexpected error at replacing user TLV ALSA: hda - Add stereo mic quirk for Lenovo G50-70 (17aa:3978) ALSA: seq: Fix use-after-free at creating a port ALSA: usb-audio: Kill stray URB at exiting ALSA: usb-audio: Check out-of-bounds access by corrupted buffer descriptor Tejun Heo (3): workqueue: restore WQ_UNBOUND/max_active==1 to be ordered workqueue: implicit ordered attribute should be overridable cpumask: fix spurious cpumask_of_node() on non-NUMA multi-node configs Thomas Bogendoerfer (1): parisc: pci memory bar assignment fails with 64bit kernels on dino/cujo Tim Gardner (1): be2iscsi: Fix bogus WARN_ON length check Timur Tabi (1): ASoC: fsl-ssi: fix do_div build warning in fsl_ssi_set_bclk() Tony Lindgren (1): ARM: OMAP: Fix Kconfig warning for omap1 Uwe Kleine-König (3): mtd: nandsim: remove debugfs entries in error path clk/efm32gg: fix dt init prototype ARM: 8160/1: drop warning about return_address not using unwind tables Varka Bhadram (1): ethernet: amd: fix pci device ids Vitaly Mayatskikh (1): fix unbalanced page refcounting in bio_map_user_iov Wanpeng Li (1): KVM: async_pf: make rcu irq exit if not triggered from idle task Wei Wang (3): ipv6: reset fn->rr_ptr when replacing route ipv6: add rcu grace period before freeing fib6_node ipv6: fix sparse warning on rt6i_node Willem de Bruijn (3): net: avoid skb_warn_bad_offload false positives on UFO packet: hold bind lock when rebinding to fanout hook packet: in packet_do_bind, test fanout with bind_lock held Xiao Ni (1): Raid5 should update rdev->sectors after reshape Xin Long (2): sctp: fix the check for _sctp_walk_params and _sctp_walk_errors ipv6: set rt6i_protocol properly in the route when it is installed Yishai Hadas (1): IB/uverbs: Fix device cleanup Yoshihiro Shimoda (4): usb: renesas_usbhs: gadget: fix re-enabling pipe without re-connecting usb: renesas_usbhs: gadget: Fix NULL pointer dereference in usbhsg_ep_dequeue() usb: renesas_usbhs: fix usbhsc_resume() for !USBHSF_RUNTIME_PWCTRL usb: renesas_usbhs: gadget: disable all eps when the driver stops Zubair Lutfullah Kakakhel (1): MIPS: Fix a warning for virt_to_page françois romieu (1): net: remove open-coded skb_cow_head. megha.dey@xxxxxxxxxxxxxxx (1): crypto: x86/sha1 - Fix reads beyond the number of blocks passed stephen hemminger (1): netvsc: fix deadlock betwen link status and removal zhong jiang (1): mm/mempolicy: fix use after free when calling get_mempolicy
diff --git a/Documentation/video4linux/v4l2-pci-skeleton.c b/Documentation/video4linux/v4l2-pci-skeleton.c index 46904fe49609..8c3d3d625c6c 100644 --- a/Documentation/video4linux/v4l2-pci-skeleton.c +++ b/Documentation/video4linux/v4l2-pci-skeleton.c @@ -42,7 +42,6 @@ MODULE_DESCRIPTION("V4L2 PCI Skeleton Driver"); MODULE_AUTHOR("Hans Verkuil"); MODULE_LICENSE("GPL v2"); -MODULE_DEVICE_TABLE(pci, skeleton_pci_tbl); /** * struct skeleton - All internal data for one instance of device @@ -95,6 +94,7 @@ static const struct pci_device_id skeleton_pci_tbl[] = { /* { PCI_DEVICE(PCI_VENDOR_ID_, PCI_DEVICE_ID_) }, */ { 0, } }; +MODULE_DEVICE_TABLE(pci, skeleton_pci_tbl); /* * HDTV: this structure has the capabilities of the HDTV receiver. diff --git a/Makefile b/Makefile index f15a93eded21..11af06e140e2 100644 --- a/Makefile +++ b/Makefile @@ -1,6 +1,6 @@ VERSION = 3 PATCHLEVEL = 16 -SUBLEVEL = 49 +SUBLEVEL = 50 EXTRAVERSION = NAME = Museum of Fishiegoodies @@ -616,6 +616,7 @@ all: vmlinux include $(srctree)/arch/$(SRCARCH)/Makefile KBUILD_CFLAGS += $(call cc-option,-fno-delete-null-pointer-checks,) +KBUILD_CFLAGS += $(call cc-disable-warning,frame-address,) ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE KBUILD_CFLAGS += -Os $(call cc-disable-warning,maybe-uninitialized,) diff --git a/arch/alpha/include/asm/types.h b/arch/alpha/include/asm/types.h index f61e1a56c378..0bc66e1d3a7e 100644 --- a/arch/alpha/include/asm/types.h +++ b/arch/alpha/include/asm/types.h @@ -1,7 +1,6 @@ #ifndef _ALPHA_TYPES_H #define _ALPHA_TYPES_H -#include <asm-generic/int-ll64.h> #include <uapi/asm/types.h> #endif /* _ALPHA_TYPES_H */ diff --git a/arch/alpha/include/uapi/asm/types.h b/arch/alpha/include/uapi/asm/types.h index 9fd3cd459777..8d1024d7be05 100644 --- a/arch/alpha/include/uapi/asm/types.h +++ b/arch/alpha/include/uapi/asm/types.h @@ -9,8 +9,18 @@ * need to be careful to avoid a name clashes. */ -#ifndef __KERNEL__ +/* + * This is here because we used to use l64 for alpha + * and we don't want to impact user mode with our change to ll64 + * in the kernel. + * + * However, some user programs are fine with this. They can + * flag __SANE_USERSPACE_TYPES__ to get int-ll64.h here. + */ +#if !defined(__SANE_USERSPACE_TYPES__) && !defined(__KERNEL__) #include <asm-generic/int-l64.h> +#else +#include <asm-generic/int-ll64.h> #endif #endif /* _UAPI_ALPHA_TYPES_H */ diff --git a/arch/arm/include/asm/kexec.h b/arch/arm/include/asm/kexec.h index c2b9b4bdec00..a664941a5593 100644 --- a/arch/arm/include/asm/kexec.h +++ b/arch/arm/include/asm/kexec.h @@ -19,6 +19,11 @@ #ifndef __ASSEMBLY__ +#define ARCH_HAS_KIMAGE_ARCH +struct kimage_arch { + u32 kernel_r2; +}; + /** * crash_setup_regs() - save registers for the panic kernel * @newregs: registers are saved here diff --git a/arch/arm/kernel/iwmmxt.S b/arch/arm/kernel/iwmmxt.S index 2b32978ae905..d65bb940d797 100644 --- a/arch/arm/kernel/iwmmxt.S +++ b/arch/arm/kernel/iwmmxt.S @@ -58,6 +58,7 @@ #define MMX_SIZE (0x98) .text + .arm /* * Lazy switching of Concan coprocessor context @@ -182,6 +183,8 @@ ENTRY(iwmmxt_task_enable) tmcr wCon, r2 mov pc, lr +ENDPROC(iwmmxt_task_enable) + /* * Back up Concan regs to save area and disable access to them * (mainly for gdb or sleep mode usage) @@ -232,6 +235,8 @@ ENTRY(iwmmxt_task_disable) 1: msr cpsr_c, ip @ restore interrupt mode ldmfd sp!, {r4, pc} +ENDPROC(iwmmxt_task_disable) + /* * Copy Concan state to given memory address * @@ -268,6 +273,8 @@ ENTRY(iwmmxt_task_copy) msr cpsr_c, ip @ restore interrupt mode mov pc, r3 +ENDPROC(iwmmxt_task_copy) + /* * Restore Concan state from given memory address * @@ -304,6 +311,8 @@ ENTRY(iwmmxt_task_restore) msr cpsr_c, ip @ restore interrupt mode mov pc, r3 +ENDPROC(iwmmxt_task_restore) + /* * Concan handling on task switch * @@ -335,6 +344,8 @@ ENTRY(iwmmxt_task_switch) mrc p15, 0, r1, c2, c0, 0 sub pc, lr, r1, lsr #32 @ cpwait and return +ENDPROC(iwmmxt_task_switch) + /* * Remove Concan ownership of given task * @@ -353,6 +364,8 @@ ENTRY(iwmmxt_task_release) msr cpsr_c, r2 @ restore interrupts mov pc, lr +ENDPROC(iwmmxt_task_release) + .data concan_owner: .word 0 diff --git a/arch/arm/kernel/machine_kexec.c b/arch/arm/kernel/machine_kexec.c index 8cf0996aa1a8..3c7cda46edeb 100644 --- a/arch/arm/kernel/machine_kexec.c +++ b/arch/arm/kernel/machine_kexec.c @@ -40,6 +40,9 @@ int machine_kexec_prepare(struct kimage *image) __be32 header; int i, err; + image->arch.kernel_r2 = image->start - KEXEC_ARM_ZIMAGE_OFFSET + + KEXEC_ARM_ATAGS_OFFSET; + /* * Validate that if the current HW supports SMP, then the SW supports * and implements CPU hotplug for the current HW. If not, we won't be @@ -63,8 +66,8 @@ int machine_kexec_prepare(struct kimage *image) if (err) return err; - if (be32_to_cpu(header) == OF_DT_HEADER) - kexec_boot_atags = current_segment->mem; + if (header == cpu_to_be32(OF_DT_HEADER)) + image->arch.kernel_r2 = current_segment->mem; } return 0; } @@ -166,9 +169,7 @@ void machine_kexec(struct kimage *image) kexec_start_address = image->start; kexec_indirection_page = page_list; kexec_mach_type = machine_arch_type; - if (!kexec_boot_atags) - kexec_boot_atags = image->start - KEXEC_ARM_ZIMAGE_OFFSET + KEXEC_ARM_ATAGS_OFFSET; - + kexec_boot_atags = image->arch.kernel_r2; /* copy our kernel relocation code to the control code page */ reboot_entry = fncpy(reboot_code_buffer, diff --git a/arch/arm/kernel/pj4-cp0.c b/arch/arm/kernel/pj4-cp0.c index 8153e36b2491..7c9248b74d3f 100644 --- a/arch/arm/kernel/pj4-cp0.c +++ b/arch/arm/kernel/pj4-cp0.c @@ -66,9 +66,13 @@ static void __init pj4_cp_access_write(u32 value) __asm__ __volatile__ ( "mcr p15, 0, %1, c1, c0, 2\n\t" +#ifdef CONFIG_THUMB2_KERNEL + "isb\n\t" +#else "mrc p15, 0, %0, c1, c0, 2\n\t" "mov %0, %0\n\t" "sub pc, pc, #4\n\t" +#endif : "=r" (temp) : "r" (value)); } diff --git a/arch/arm/kernel/return_address.c b/arch/arm/kernel/return_address.c index fafedd86885d..827d946d2be4 100644 --- a/arch/arm/kernel/return_address.c +++ b/arch/arm/kernel/return_address.c @@ -59,10 +59,6 @@ void *return_address(unsigned int level) #else /* if defined(CONFIG_FRAME_POINTER) && !defined(CONFIG_ARM_UNWIND) */ -#if defined(CONFIG_ARM_UNWIND) -#warning "TODO: return_address should use unwind tables" -#endif - void *return_address(unsigned int level) { return NULL; diff --git a/arch/arm/mach-cns3xxx/Makefile b/arch/arm/mach-cns3xxx/Makefile index a1ff10848698..fd610561616e 100644 --- a/arch/arm/mach-cns3xxx/Makefile +++ b/arch/arm/mach-cns3xxx/Makefile @@ -2,4 +2,5 @@ obj-$(CONFIG_ARCH_CNS3XXX) += cns3xxx.o cns3xxx-y += core.o pm.o cns3xxx-$(CONFIG_ATAGS) += devices.o cns3xxx-$(CONFIG_PCI) += pcie.o +CFLAGS_pcie.o += -Wframe-larger-than=1536 # override default 1024, this is safe here cns3xxx-$(CONFIG_MACH_CNS3420VB) += cns3420vb.o diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig index 1c1ed737f7ab..3ac9cb2b2eb2 100644 --- a/arch/arm/mach-omap2/Kconfig +++ b/arch/arm/mach-omap2/Kconfig @@ -1,9 +1,6 @@ menu "TI OMAP/AM/DM/DRA Family" depends on ARCH_MULTI_V6 || ARCH_MULTI_V7 -config ARCH_OMAP - bool - config ARCH_OMAP2 bool "TI OMAP2" depends on ARCH_MULTI_V6 diff --git a/arch/arm/mach-pxa/Kconfig b/arch/arm/mach-pxa/Kconfig index e6690a44917d..170bc3ff5da3 100644 --- a/arch/arm/mach-pxa/Kconfig +++ b/arch/arm/mach-pxa/Kconfig @@ -546,6 +546,7 @@ config MACH_ICONTROL config ARCH_PXA_ESERIES bool "PXA based Toshiba e-series PDAs" select FB_W100 + select FB select PXA25x config MACH_E330 diff --git a/arch/arm/mm/cache-l2x0.c b/arch/arm/mm/cache-l2x0.c index 7c3fb41a462e..011490e7204d 100644 --- a/arch/arm/mm/cache-l2x0.c +++ b/arch/arm/mm/cache-l2x0.c @@ -135,73 +135,6 @@ static void l2c_disable(void) dsb(st); } -#ifdef CONFIG_CACHE_PL310 -static inline void cache_wait(void __iomem *reg, unsigned long mask) -{ - /* cache operations by line are atomic on PL310 */ -} -#else -#define cache_wait l2c_wait_mask -#endif - -static inline void cache_sync(void) -{ - void __iomem *base = l2x0_base; - - writel_relaxed(0, base + sync_reg_offset); - cache_wait(base + L2X0_CACHE_SYNC, 1); -} - -#if defined(CONFIG_PL310_ERRATA_588369) || defined(CONFIG_PL310_ERRATA_727915) -static inline void debug_writel(unsigned long val) -{ - l2c_set_debug(l2x0_base, val); -} -#else -/* Optimised out for non-errata case */ -static inline void debug_writel(unsigned long val) -{ -} -#endif - -static void l2x0_cache_sync(void) -{ - unsigned long flags; - - raw_spin_lock_irqsave(&l2x0_lock, flags); - cache_sync(); - raw_spin_unlock_irqrestore(&l2x0_lock, flags); -} - -static void __l2x0_flush_all(void) -{ - debug_writel(0x03); - __l2c_op_way(l2x0_base + L2X0_CLEAN_INV_WAY); - cache_sync(); - debug_writel(0x00); -} - -static void l2x0_flush_all(void) -{ - unsigned long flags; - - /* clean all ways */ - raw_spin_lock_irqsave(&l2x0_lock, flags); - __l2x0_flush_all(); - raw_spin_unlock_irqrestore(&l2x0_lock, flags); -} - -static void l2x0_disable(void) -{ - unsigned long flags; - - raw_spin_lock_irqsave(&l2x0_lock, flags); - __l2x0_flush_all(); - l2c_write_sec(0, l2x0_base, L2X0_CTRL); - dsb(st); - raw_spin_unlock_irqrestore(&l2x0_lock, flags); -} - static void l2c_save(void __iomem *base) { l2x0_saved_regs.aux_ctrl = readl_relaxed(l2x0_base + L2X0_AUX_CTRL); @@ -1126,14 +1059,15 @@ static unsigned long calc_range_end(unsigned long start, unsigned long end) static void aurora_pa_range(unsigned long start, unsigned long end, unsigned long offset) { + void __iomem *base = l2x0_base; unsigned long flags; raw_spin_lock_irqsave(&l2x0_lock, flags); - writel_relaxed(start, l2x0_base + AURORA_RANGE_BASE_ADDR_REG); - writel_relaxed(end, l2x0_base + offset); + writel_relaxed(start, base + AURORA_RANGE_BASE_ADDR_REG); + writel_relaxed(end, base + offset); raw_spin_unlock_irqrestore(&l2x0_lock, flags); - cache_sync(); + writel_relaxed(0, base + AURORA_SYNC_REG); } static void aurora_inv_range(unsigned long start, unsigned long end) @@ -1193,6 +1127,37 @@ static void aurora_flush_range(unsigned long start, unsigned long end) } } +static void aurora_flush_all(void) +{ + void __iomem *base = l2x0_base; + unsigned long flags; + + /* clean all ways */ + raw_spin_lock_irqsave(&l2x0_lock, flags); + __l2c_op_way(base + L2X0_CLEAN_INV_WAY); + raw_spin_unlock_irqrestore(&l2x0_lock, flags); + + writel_relaxed(0, base + AURORA_SYNC_REG); +} + +static void aurora_cache_sync(void) +{ + writel_relaxed(0, l2x0_base + AURORA_SYNC_REG); +} + +static void aurora_disable(void) +{ + void __iomem *base = l2x0_base; + unsigned long flags; + + raw_spin_lock_irqsave(&l2x0_lock, flags); + __l2c_op_way(base + L2X0_CLEAN_INV_WAY); + writel_relaxed(0, base + AURORA_SYNC_REG); + l2c_write_sec(0, base, L2X0_CTRL); + dsb(st); + raw_spin_unlock_irqrestore(&l2x0_lock, flags); +} + static void aurora_save(void __iomem *base) { l2x0_saved_regs.ctrl = readl_relaxed(base + L2X0_CTRL); @@ -1267,9 +1232,9 @@ static const struct l2c_init_data of_aurora_with_outer_data __initconst = { .inv_range = aurora_inv_range, .clean_range = aurora_clean_range, .flush_range = aurora_flush_range, - .flush_all = l2x0_flush_all, - .disable = l2x0_disable, - .sync = l2x0_cache_sync, + .flush_all = aurora_flush_all, + .disable = aurora_disable, + .sync = aurora_cache_sync, .resume = aurora_resume, }, }; diff --git a/arch/arm/plat-omap/Kconfig b/arch/arm/plat-omap/Kconfig index 02fc10d2d63b..d055db32ffcb 100644 --- a/arch/arm/plat-omap/Kconfig +++ b/arch/arm/plat-omap/Kconfig @@ -1,3 +1,6 @@ +config ARCH_OMAP + bool + if ARCH_OMAP menu "TI OMAP Common Features" diff --git a/arch/arm64/kernel/fpsimd.c b/arch/arm64/kernel/fpsimd.c index a43a40b6a846..5fc3c469654b 100644 --- a/arch/arm64/kernel/fpsimd.c +++ b/arch/arm64/kernel/fpsimd.c @@ -156,9 +156,11 @@ void fpsimd_thread_switch(struct task_struct *next) void fpsimd_flush_thread(void) { + preempt_disable(); memset(¤t->thread.fpsimd_state, 0, sizeof(struct fpsimd_state)); fpsimd_flush_task_state(current); set_thread_flag(TIF_FOREIGN_FPSTATE); + preempt_enable(); } /* diff --git a/arch/arm64/mm/fault.c b/arch/arm64/mm/fault.c index 4e4a10df87c1..8fd2315bdf4d 100644 --- a/arch/arm64/mm/fault.c +++ b/arch/arm64/mm/fault.c @@ -252,8 +252,11 @@ static int __kprobes do_page_fault(unsigned long addr, unsigned int esr, * signal first. We do not need to release the mmap_sem because it * would already be released in __lock_page_or_retry in mm/filemap.c. */ - if ((fault & VM_FAULT_RETRY) && fatal_signal_pending(current)) + if ((fault & VM_FAULT_RETRY) && fatal_signal_pending(current)) { + if (!user_mode(regs)) + goto no_context; return 0; + } /* * Major/minor page fault accounting is only done on the initial diff --git a/arch/mips/boot/elf2ecoff.c b/arch/mips/boot/elf2ecoff.c index 8585078ae50e..6950fee4576c 100644 --- a/arch/mips/boot/elf2ecoff.c +++ b/arch/mips/boot/elf2ecoff.c @@ -49,7 +49,8 @@ /* * Some extra ELF definitions */ -#define PT_MIPS_REGINFO 0x70000000 /* Register usage information */ +#define PT_MIPS_REGINFO 0x70000000 /* Register usage information */ +#define PT_MIPS_ABIFLAGS 0x70000003 /* Records ABI related flags */ /* -------------------------------------------------------------------- */ @@ -267,7 +268,6 @@ int main(int argc, char *argv[]) Elf32_Ehdr ex; Elf32_Phdr *ph; Elf32_Shdr *sh; - char *shstrtab; int i, pad; struct sect text, data, bss; struct filehdr efh; @@ -335,9 +335,6 @@ int main(int argc, char *argv[]) "sh"); if (must_convert_endian) convert_elf_shdrs(sh, ex.e_shnum); - /* Read in the section string table. */ - shstrtab = saveRead(infile, sh[ex.e_shstrndx].sh_offset, - sh[ex.e_shstrndx].sh_size, "shstrtab"); /* Figure out if we can cram the program header into an ECOFF header... Basically, we can't handle anything but loadable @@ -351,7 +348,8 @@ int main(int argc, char *argv[]) /* Section types we can ignore... */ if (ph[i].p_type == PT_NULL || ph[i].p_type == PT_NOTE || ph[i].p_type == PT_PHDR - || ph[i].p_type == PT_MIPS_REGINFO) + || ph[i].p_type == PT_MIPS_REGINFO + || ph[i].p_type == PT_MIPS_ABIFLAGS) continue; /* Section types we can't handle... */ else if (ph[i].p_type != PT_LOAD) { diff --git a/arch/mips/dec/int-handler.S b/arch/mips/dec/int-handler.S index 41a2fa1fa12e..a0c2d6ccdedc 100644 --- a/arch/mips/dec/int-handler.S +++ b/arch/mips/dec/int-handler.S @@ -146,7 +146,14 @@ /* * Find irq with highest priority */ - PTR_LA t1,cpu_mask_nr_tbl + # open coded PTR_LA t1, cpu_mask_nr_tbl +#if defined(CONFIG_32BIT) || defined(KBUILD_64BIT_SYM32) + # open coded la t1, cpu_mask_nr_tbl + lui t1, %hi(cpu_mask_nr_tbl) + addiu t1, %lo(cpu_mask_nr_tbl) +#else +#error GCC `-msym32' option required for 64-bit DECstation builds +#endif 1: lw t2,(t1) nop and t2,t0 @@ -195,7 +202,14 @@ /* * Find irq with highest priority */ - PTR_LA t1,asic_mask_nr_tbl + # open coded PTR_LA t1,asic_mask_nr_tbl +#if defined(CONFIG_32BIT) || defined(KBUILD_64BIT_SYM32) + # open coded la t1, asic_mask_nr_tbl + lui t1, %hi(asic_mask_nr_tbl) + addiu t1, %lo(asic_mask_nr_tbl) +#else +#error GCC `-msym32' option required for 64-bit DECstation builds +#endif 2: lw t2,(t1) nop and t2,t0 diff --git a/arch/mips/include/asm/page.h b/arch/mips/include/asm/page.h index 5699ec3a71af..fd0347da36df 100644 --- a/arch/mips/include/asm/page.h +++ b/arch/mips/include/asm/page.h @@ -223,7 +223,8 @@ static inline int pfn_valid(unsigned long pfn) #endif -#define virt_to_page(kaddr) pfn_to_page(PFN_DOWN(virt_to_phys(kaddr))) +#define virt_to_page(kaddr) pfn_to_page(PFN_DOWN(virt_to_phys((void *) \ + (kaddr)))) extern int __virt_addr_valid(const volatile void *kaddr); #define virt_addr_valid(kaddr) \ diff --git a/arch/mips/jz4740/board-qi_lb60.c b/arch/mips/jz4740/board-qi_lb60.c index 088e92a79ae6..7da9ff143499 100644 --- a/arch/mips/jz4740/board-qi_lb60.c +++ b/arch/mips/jz4740/board-qi_lb60.c @@ -25,6 +25,7 @@ #include <linux/power/jz4740-battery.h> #include <linux/power/gpio-charger.h> +#include <asm/mach-jz4740/gpio.h> #include <asm/mach-jz4740/jz4740_fb.h> #include <asm/mach-jz4740/jz4740_mmc.h> #include <asm/mach-jz4740/jz4740_nand.h> diff --git a/arch/mips/jz4740/gpio.c b/arch/mips/jz4740/gpio.c index 00b798d2fb7c..000d2d91b704 100644 --- a/arch/mips/jz4740/gpio.c +++ b/arch/mips/jz4740/gpio.c @@ -27,6 +27,7 @@ #include <linux/seq_file.h> #include <asm/mach-jz4740/base.h> +#include <asm/mach-jz4740/gpio.h> #include "irq.h" diff --git a/arch/mips/jz4740/irq.h b/arch/mips/jz4740/irq.h index 0f48720b5b63..486db78808cc 100644 --- a/arch/mips/jz4740/irq.h +++ b/arch/mips/jz4740/irq.h @@ -16,7 +16,9 @@ #define __MIPS_JZ4740_IRQ_H__ #include <linux/irq.h> +#include <asm/mach-jz4740/irq.h> +struct irq_data; extern void jz4740_irq_suspend(struct irq_data *data); extern void jz4740_irq_resume(struct irq_data *data); diff --git a/arch/mips/kernel/bmips_vec.S b/arch/mips/kernel/bmips_vec.S index d4614d31d828..d9495f3f3fad 100644 --- a/arch/mips/kernel/bmips_vec.S +++ b/arch/mips/kernel/bmips_vec.S @@ -211,7 +211,6 @@ NESTED(bmips_reset_nmi_vec, PT_SIZE, sp) END(bmips_reset_nmi_vec) .set pop - .previous /*********************************************************************** * CPU1 warm restart vector (used for second and subsequent boots). @@ -286,5 +285,3 @@ LEAF(bmips_enable_xks01) jr ra END(bmips_enable_xks01) - - .previous diff --git a/arch/mips/pci/ops-pmcmsp.c b/arch/mips/pci/ops-pmcmsp.c index 50034f985be1..dd2d9f7e9412 100644 --- a/arch/mips/pci/ops-pmcmsp.c +++ b/arch/mips/pci/ops-pmcmsp.c @@ -193,8 +193,6 @@ static void pci_proc_init(void) } #endif /* CONFIG_PROC_FS && PCI_COUNTERS */ -static DEFINE_SPINLOCK(bpci_lock); - /***************************************************************************** * * STRUCT: pci_io_resource @@ -368,7 +366,6 @@ int msp_pcibios_config_access(unsigned char access_type, struct msp_pci_regs *preg = (void *)PCI_BASE_REG; unsigned char bus_num = bus->number; unsigned char dev_fn = (unsigned char)devfn; - unsigned long flags; unsigned long intr; unsigned long value; static char pciirqflag; @@ -401,10 +398,7 @@ int msp_pcibios_config_access(unsigned char access_type, } #if defined(CONFIG_PMC_MSP7120_GW) || defined(CONFIG_PMC_MSP7120_EVAL) - local_irq_save(flags); vpe_status = dvpe(); -#else - spin_lock_irqsave(&bpci_lock, flags); #endif /* @@ -457,9 +451,6 @@ int msp_pcibios_config_access(unsigned char access_type, #if defined(CONFIG_PMC_MSP7120_GW) || defined(CONFIG_PMC_MSP7120_EVAL) evpe(vpe_status); - local_irq_restore(flags); -#else - spin_unlock_irqrestore(&bpci_lock, flags); #endif return -1; @@ -467,9 +458,6 @@ int msp_pcibios_config_access(unsigned char access_type, #if defined(CONFIG_PMC_MSP7120_GW) || defined(CONFIG_PMC_MSP7120_EVAL) evpe(vpe_status); - local_irq_restore(flags); -#else - spin_unlock_irqrestore(&bpci_lock, flags); #endif return PCIBIOS_SUCCESSFUL; diff --git a/arch/mips/pci/ops-tx4927.c b/arch/mips/pci/ops-tx4927.c index 0e046d82e4e3..d54ea93651ac 100644 --- a/arch/mips/pci/ops-tx4927.c +++ b/arch/mips/pci/ops-tx4927.c @@ -199,8 +199,6 @@ static struct { char *tx4927_pcibios_setup(char *str) { - unsigned long val; - if (!strncmp(str, "trdyto=", 7)) { u8 val = 0; if (kstrtou8(str + 7, 0, &val) == 0) diff --git a/arch/mips/sgi-ip22/Platform b/arch/mips/sgi-ip22/Platform index b7a4b7e04c38..e8f6b3a42a48 100644 --- a/arch/mips/sgi-ip22/Platform +++ b/arch/mips/sgi-ip22/Platform @@ -25,7 +25,7 @@ endif # Simplified: what IP22 does at 128MB+ in ksegN, IP28 does at 512MB+ in xkphys # ifdef CONFIG_SGI_IP28 - ifeq ($(call cc-option-yn,-mr10k-cache-barrier=store), n) + ifeq ($(call cc-option-yn,-march=r10000 -mr10k-cache-barrier=store), n) $(error gcc doesn't support needed option -mr10k-cache-barrier=store) endif endif diff --git a/arch/powerpc/boot/Makefile b/arch/powerpc/boot/Makefile index f5443645ffca..4dcd7f5b027f 100644 --- a/arch/powerpc/boot/Makefile +++ b/arch/powerpc/boot/Makefile @@ -21,11 +21,19 @@ all: $(obj)/zImage BOOTCFLAGS := -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs \ -fno-strict-aliasing -Os -msoft-float -pipe \ - -fomit-frame-pointer -fno-builtin -fPIC -nostdinc \ - -isystem $(shell $(CROSS32CC) -print-file-name=include) + -fomit-frame-pointer -fno-builtin -fPIC -nostdinc +BOOTCC := $(CC) ifdef CONFIG_PPC64_BOOT_WRAPPER BOOTCFLAGS += -m64 +else +BOOTCFLAGS += -m32 +ifdef CROSS32_COMPILE + BOOTCC := $(CROSS32_COMPILE)gcc +endif endif + +BOOTCFLAGS += -isystem $(shell $(BOOTCC) -print-file-name=include) + ifdef CONFIG_CPU_BIG_ENDIAN BOOTCFLAGS += -mbig-endian else @@ -165,10 +173,10 @@ clean-files := $(zlib) $(zlibheader) $(zliblinuxheader) \ empty.c zImage.coff.lds zImage.ps3.lds zImage.lds quiet_cmd_bootcc = BOOTCC $@ - cmd_bootcc = $(CROSS32CC) -Wp,-MD,$(depfile) $(BOOTCFLAGS) -c -o $@ $< + cmd_bootcc = $(BOOTCC) -Wp,-MD,$(depfile) $(BOOTCFLAGS) -c -o $@ $< quiet_cmd_bootas = BOOTAS $@ - cmd_bootas = $(CROSS32CC) -Wp,-MD,$(depfile) $(BOOTAFLAGS) -c -o $@ $< + cmd_bootas = $(BOOTCC) -Wp,-MD,$(depfile) $(BOOTAFLAGS) -c -o $@ $< quiet_cmd_bootar = BOOTAR $@ cmd_bootar = $(CROSS32AR) -cr$(KBUILD_ARFLAGS) $@.$$$$ $(filter-out FORCE,$^); mv $@.$$$$ $@ diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c index 73abf3119ad1..eaac0cb57717 100644 --- a/arch/powerpc/kvm/book3s_hv.c +++ b/arch/powerpc/kvm/book3s_hv.c @@ -1816,6 +1816,8 @@ static int kvmppc_vcpu_run_hv(struct kvm_run *run, struct kvm_vcpu *vcpu) run->fail_entry.hardware_entry_failure_reason = 0; return -EINVAL; } + /* Enable TM so we can read the TM SPRs */ + mtmsr(mfmsr() | MSR_TM); current->thread.tm_tfhar = mfspr(SPRN_TFHAR); current->thread.tm_tfiar = mfspr(SPRN_TFIAR); current->thread.tm_texasr = mfspr(SPRN_TEXASR); diff --git a/arch/powerpc/mm/subpage-prot.c b/arch/powerpc/mm/subpage-prot.c index 6c0b1f5f8d2c..6fd582b16e22 100644 --- a/arch/powerpc/mm/subpage-prot.c +++ b/arch/powerpc/mm/subpage-prot.c @@ -36,7 +36,7 @@ void subpage_prot_free(struct mm_struct *mm) } } addr = 0; - for (i = 0; i < 2; ++i) { + for (i = 0; i < (TASK_SIZE_USER64 >> 43); ++i) { p = spt->protptrs[i]; if (!p) continue; diff --git a/arch/powerpc/platforms/pseries/reconfig.c b/arch/powerpc/platforms/pseries/reconfig.c index 1c0a60d98867..c24c73a2e2b5 100644 --- a/arch/powerpc/platforms/pseries/reconfig.c +++ b/arch/powerpc/platforms/pseries/reconfig.c @@ -112,7 +112,6 @@ static int pSeries_reconfig_remove_node(struct device_node *np) of_detach_node(np); of_node_put(parent); - of_node_put(np); /* Must decrement the refcount */ return 0; } diff --git a/arch/x86/boot/compressed/misc.h b/arch/x86/boot/compressed/misc.h index 24e3e569a13c..124312be129b 100644 --- a/arch/x86/boot/compressed/misc.h +++ b/arch/x86/boot/compressed/misc.h @@ -2,14 +2,13 @@ #define BOOT_COMPRESSED_MISC_H /* - * we have to be careful, because no indirections are allowed here, and - * paravirt_ops is a kind of one. As it will only run in baremetal anyway, - * we just keep it from happening + * Special hack: we have to be careful, because no indirections are allowed here, + * and paravirt_ops is a kind of one. As it will only run in baremetal anyway, + * we just keep it from happening. (This list needs to be extended when new + * paravirt and debugging variants are added.) */ #undef CONFIG_PARAVIRT -#ifdef CONFIG_X86_32 -#define _ASM_X86_DESC_H 1 -#endif +#undef CONFIG_PARAVIRT_SPINLOCKS #include <linux/linkage.h> #include <linux/screen_info.h> diff --git a/arch/x86/crypto/sha1_avx2_x86_64_asm.S b/arch/x86/crypto/sha1_avx2_x86_64_asm.S index 1cd792db15ef..1eab79c9ac48 100644 --- a/arch/x86/crypto/sha1_avx2_x86_64_asm.S +++ b/arch/x86/crypto/sha1_avx2_x86_64_asm.S @@ -117,11 +117,10 @@ .set T1, REG_T1 .endm -#define K_BASE %r8 #define HASH_PTR %r9 +#define BLOCKS_CTR %r8 #define BUFFER_PTR %r10 #define BUFFER_PTR2 %r13 -#define BUFFER_END %r11 #define PRECALC_BUF %r14 #define WK_BUF %r15 @@ -205,14 +204,14 @@ * blended AVX2 and ALU instruction scheduling * 1 vector iteration per 8 rounds */ - vmovdqu ((i * 2) + PRECALC_OFFSET)(BUFFER_PTR), W_TMP + vmovdqu (i * 2)(BUFFER_PTR), W_TMP .elseif ((i & 7) == 1) - vinsertf128 $1, (((i-1) * 2)+PRECALC_OFFSET)(BUFFER_PTR2),\ + vinsertf128 $1, ((i-1) * 2)(BUFFER_PTR2),\ WY_TMP, WY_TMP .elseif ((i & 7) == 2) vpshufb YMM_SHUFB_BSWAP, WY_TMP, WY .elseif ((i & 7) == 4) - vpaddd K_XMM(K_BASE), WY, WY_TMP + vpaddd K_XMM + K_XMM_AR(%rip), WY, WY_TMP .elseif ((i & 7) == 7) vmovdqu WY_TMP, PRECALC_WK(i&~7) @@ -255,7 +254,7 @@ vpxor WY, WY_TMP, WY_TMP .elseif ((i & 7) == 7) vpxor WY_TMP2, WY_TMP, WY - vpaddd K_XMM(K_BASE), WY, WY_TMP + vpaddd K_XMM + K_XMM_AR(%rip), WY, WY_TMP vmovdqu WY_TMP, PRECALC_WK(i&~7) PRECALC_ROTATE_WY @@ -291,7 +290,7 @@ vpsrld $30, WY, WY vpor WY, WY_TMP, WY .elseif ((i & 7) == 7) - vpaddd K_XMM(K_BASE), WY, WY_TMP + vpaddd K_XMM + K_XMM_AR(%rip), WY, WY_TMP vmovdqu WY_TMP, PRECALC_WK(i&~7) PRECALC_ROTATE_WY @@ -446,6 +445,16 @@ .endm +/* Add constant only if (%2 > %3) condition met (uses RTA as temp) + * %1 + %2 >= %3 ? %4 : 0 + */ +.macro ADD_IF_GE a, b, c, d + mov \a, RTA + add $\d, RTA + cmp $\c, \b + cmovge RTA, \a +.endm + /* * macro implements 80 rounds of SHA-1, for multiple blocks with s/w pipelining */ @@ -463,13 +472,16 @@ lea (2*4*80+32)(%rsp), WK_BUF # Precalc WK for first 2 blocks - PRECALC_OFFSET = 0 + ADD_IF_GE BUFFER_PTR2, BLOCKS_CTR, 2, 64 .set i, 0 .rept 160 PRECALC i .set i, i + 1 .endr - PRECALC_OFFSET = 128 + + /* Go to next block if needed */ + ADD_IF_GE BUFFER_PTR, BLOCKS_CTR, 3, 128 + ADD_IF_GE BUFFER_PTR2, BLOCKS_CTR, 4, 128 xchg WK_BUF, PRECALC_BUF .align 32 @@ -479,8 +491,8 @@ * we use K_BASE value as a signal of a last block, * it is set below by: cmovae BUFFER_PTR, K_BASE */ - cmp K_BASE, BUFFER_PTR - jne _begin + test BLOCKS_CTR, BLOCKS_CTR + jnz _begin .align 32 jmp _end .align 32 @@ -512,10 +524,10 @@ .set j, j+2 .endr - add $(2*64), BUFFER_PTR /* move to next odd-64-byte block */ - cmp BUFFER_END, BUFFER_PTR /* is current block the last one? */ - cmovae K_BASE, BUFFER_PTR /* signal the last iteration smartly */ - + /* Update Counter */ + sub $1, BLOCKS_CTR + /* Move to the next block only if needed*/ + ADD_IF_GE BUFFER_PTR, BLOCKS_CTR, 4, 128 /* * rounds * 60,62,64,66,68 @@ -532,8 +544,8 @@ UPDATE_HASH 12(HASH_PTR), D UPDATE_HASH 16(HASH_PTR), E - cmp K_BASE, BUFFER_PTR /* is current block the last one? */ - je _loop + test BLOCKS_CTR, BLOCKS_CTR + jz _loop mov TB, B @@ -575,10 +587,10 @@ .set j, j+2 .endr - add $(2*64), BUFFER_PTR2 /* move to next even-64-byte block */ - - cmp BUFFER_END, BUFFER_PTR2 /* is current block the last one */ - cmovae K_BASE, BUFFER_PTR /* signal the last iteration smartly */ + /* update counter */ + sub $1, BLOCKS_CTR + /* Move to the next block only if needed*/ + ADD_IF_GE BUFFER_PTR2, BLOCKS_CTR, 4, 128 jmp _loop3 _loop3: @@ -641,19 +653,12 @@ avx2_zeroupper - lea K_XMM_AR(%rip), K_BASE - + /* Setup initial values */ mov CTX, HASH_PTR mov BUF, BUFFER_PTR - lea 64(BUF), BUFFER_PTR2 - - shl $6, CNT /* mul by 64 */ - add BUF, CNT - add $64, CNT - mov CNT, BUFFER_END - cmp BUFFER_END, BUFFER_PTR2 - cmovae K_BASE, BUFFER_PTR2 + mov BUF, BUFFER_PTR2 + mov CNT, BLOCKS_CTR xmm_mov BSWAP_SHUFB_CTL(%rip), YMM_SHUFB_BSWAP diff --git a/arch/x86/crypto/sha1_ssse3_glue.c b/arch/x86/crypto/sha1_ssse3_glue.c index ba9c75c5a432..b11fb043c80f 100644 --- a/arch/x86/crypto/sha1_ssse3_glue.c +++ b/arch/x86/crypto/sha1_ssse3_glue.c @@ -224,7 +224,7 @@ static bool __init avx_usable(void) #ifdef CONFIG_AS_AVX2 static bool __init avx2_usable(void) { - if (false && avx_usable() && cpu_has_avx2 && + if (avx_usable() && cpu_has_avx2 && boot_cpu_has(X86_FEATURE_BMI1) && boot_cpu_has(X86_FEATURE_BMI2)) return true; diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c index 86281ffb96d6..239cd7913df6 100644 --- a/arch/x86/kernel/acpi/boot.c +++ b/arch/x86/kernel/acpi/boot.c @@ -909,6 +909,14 @@ void __init mp_override_legacy_irq(u8 bus_irq, u8 polarity, u8 trigger, u32 gsi) int pin; struct mpc_intsrc mp_irq; + /* + * Check bus_irq boundary. + */ + if (bus_irq >= NR_IRQS_LEGACY) { + pr_warn("Invalid bus_irq %u for legacy override\n", bus_irq); + return; + } + /* * Convert 'gsi' to 'ioapic.pin'. */ diff --git a/arch/x86/kernel/cpu/perf_event.c b/arch/x86/kernel/cpu/perf_event.c index 10544b9ae3d0..ec91ccee0661 100644 --- a/arch/x86/kernel/cpu/perf_event.c +++ b/arch/x86/kernel/cpu/perf_event.c @@ -2009,17 +2009,14 @@ static unsigned long get_segment_base(unsigned int segment) if ((segment & SEGMENT_TI_MASK) == SEGMENT_LDT) { struct ldt_struct *ldt; - if (idx > LDT_ENTRIES) - return 0; - /* IRQs are off, so this synchronizes with smp_store_release */ ldt = lockless_dereference(current->active_mm->context.ldt); - if (!ldt || idx > ldt->size) + if (!ldt || idx >= ldt->size) return 0; desc = &ldt->entries[idx]; } else { - if (idx > GDT_ENTRIES) + if (idx >= GDT_ENTRIES) return 0; desc = __this_cpu_ptr(&gdt_page.gdt[0]) + idx; diff --git a/arch/x86/kernel/entry_64.S b/arch/x86/kernel/entry_64.S index 701db48562b1..42a970d19ab3 100644 --- a/arch/x86/kernel/entry_64.S +++ b/arch/x86/kernel/entry_64.S @@ -1476,6 +1476,8 @@ ENTRY(nmi) * other IST entries. */ + ASM_CLAC + /* Use %rdx as out temp variable throughout */ pushq_cfi %rdx CFI_REL_OFFSET rdx, 0 diff --git a/arch/x86/kernel/kprobes/core.c b/arch/x86/kernel/kprobes/core.c index b6547a441bad..608f18c62412 100644 --- a/arch/x86/kernel/kprobes/core.c +++ b/arch/x86/kernel/kprobes/core.c @@ -401,6 +401,8 @@ static int arch_copy_kprobe(struct kprobe *p) int arch_prepare_kprobe(struct kprobe *p) { + int ret; + if (alternatives_text_reserved(p->addr, p->addr)) return -EINVAL; @@ -411,7 +413,13 @@ int arch_prepare_kprobe(struct kprobe *p) if (!p->ainsn.insn) return -ENOMEM; - return arch_copy_kprobe(p); + ret = arch_copy_kprobe(p); + if (ret) { + free_insn_slot(p->ainsn.insn, 0); + p->ainsn.insn = NULL; + } + + return ret; } void arch_arm_kprobe(struct kprobe *p) diff --git a/arch/x86/kernel/kvm.c b/arch/x86/kernel/kvm.c index 61da6be309a7..17cc2a2e27d6 100644 --- a/arch/x86/kernel/kvm.c +++ b/arch/x86/kernel/kvm.c @@ -150,6 +150,8 @@ void kvm_async_pf_task_wait(u32 token) if (hlist_unhashed(&n.link)) break; + rcu_irq_exit(); + if (!n.halted) { local_irq_enable(); schedule(); @@ -158,11 +160,11 @@ void kvm_async_pf_task_wait(u32 token) /* * We cannot reschedule. So halt. */ - rcu_irq_exit(); native_safe_halt(); local_irq_disable(); - rcu_irq_enter(); } + + rcu_irq_enter(); } if (!n.halted) finish_wait(&n.wq, &wait); diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c index 16fb0099b7f2..f05f2d897a67 100644 --- a/arch/x86/xen/mmu.c +++ b/arch/x86/xen/mmu.c @@ -1187,7 +1187,7 @@ static void __init xen_cleanhighmap(unsigned long vaddr, /* NOTE: The loop is more greedy than the cleanup_highmap variant. * We include the PMD passed in on _both_ boundaries. */ - for (; vaddr <= vaddr_end && (pmd < (level2_kernel_pgt + PAGE_SIZE)); + for (; vaddr <= vaddr_end && (pmd < (level2_kernel_pgt + PTRS_PER_PMD)); pmd++, vaddr += PMD_SIZE) { if (pmd_none(*pmd)) continue; diff --git a/arch/xtensa/kernel/xtensa_ksyms.c b/arch/xtensa/kernel/xtensa_ksyms.c index 4d2872fd9bb5..a71d2739fa82 100644 --- a/arch/xtensa/kernel/xtensa_ksyms.c +++ b/arch/xtensa/kernel/xtensa_ksyms.c @@ -94,13 +94,11 @@ unsigned long __sync_fetch_and_or_4(unsigned long *p, unsigned long v) } EXPORT_SYMBOL(__sync_fetch_and_or_4); -#ifdef CONFIG_NET /* * Networking support */ EXPORT_SYMBOL(csum_partial); EXPORT_SYMBOL(csum_partial_copy_generic); -#endif /* CONFIG_NET */ /* * Architecture-specific symbols diff --git a/arch/xtensa/mm/cache.c b/arch/xtensa/mm/cache.c index 63cbb867dadd..1fface176acd 100644 --- a/arch/xtensa/mm/cache.c +++ b/arch/xtensa/mm/cache.c @@ -63,7 +63,7 @@ #error "HIGHMEM is not supported on cores with aliasing cache." #endif -#if (DCACHE_WAY_SIZE > PAGE_SIZE) && XCHAL_DCACHE_IS_WRITEBACK +#if (DCACHE_WAY_SIZE > PAGE_SIZE) /* * Any time the kernel writes to a user page cache page, or it is about to @@ -116,7 +116,7 @@ void flush_dcache_page(struct page *page) /* There shouldn't be an entry in the cache for this page anymore. */ } - +EXPORT_SYMBOL(flush_dcache_page); /* * For now, flush the whole cache. FIXME?? @@ -128,6 +128,7 @@ void local_flush_cache_range(struct vm_area_struct *vma, __flush_invalidate_dcache_all(); __invalidate_icache_all(); } +EXPORT_SYMBOL(local_flush_cache_range); /* * Remove any entry in the cache for this page. @@ -147,8 +148,9 @@ void local_flush_cache_page(struct vm_area_struct *vma, unsigned long address, __flush_invalidate_dcache_page_alias(virt, phys); __invalidate_icache_page_alias(virt, phys); } +EXPORT_SYMBOL(local_flush_cache_page); -#endif +#endif /* DCACHE_WAY_SIZE > PAGE_SIZE */ void update_mmu_cache(struct vm_area_struct * vma, unsigned long addr, pte_t *ptep) @@ -165,7 +167,7 @@ update_mmu_cache(struct vm_area_struct * vma, unsigned long addr, pte_t *ptep) flush_tlb_page(vma, addr); -#if (DCACHE_WAY_SIZE > PAGE_SIZE) && XCHAL_DCACHE_IS_WRITEBACK +#if (DCACHE_WAY_SIZE > PAGE_SIZE) if (!PageReserved(page) && test_bit(PG_arch_1, &page->flags)) { @@ -197,7 +199,7 @@ update_mmu_cache(struct vm_area_struct * vma, unsigned long addr, pte_t *ptep) * flush_dcache_page() on the page. */ -#if (DCACHE_WAY_SIZE > PAGE_SIZE) && XCHAL_DCACHE_IS_WRITEBACK +#if (DCACHE_WAY_SIZE > PAGE_SIZE) void copy_to_user_page(struct vm_area_struct *vma, struct page *page, unsigned long vaddr, void *dst, const void *src, diff --git a/block/bio.c b/block/bio.c index 529e4195724e..dcc6365bcc11 100644 --- a/block/bio.c +++ b/block/bio.c @@ -1337,6 +1337,7 @@ static struct bio *__bio_map_user_iov(struct request_queue *q, offset = uaddr & ~PAGE_MASK; for (j = cur_page; j < page_limit; j++) { unsigned int bytes = PAGE_SIZE - offset; + unsigned short prev_bi_vcnt = bio->bi_vcnt; if (len <= 0) break; @@ -1351,6 +1352,13 @@ static struct bio *__bio_map_user_iov(struct request_queue *q, bytes) break; + /* + * check if vector was merged with previous + * drop page reference if needed + */ + if (bio->bi_vcnt == prev_bi_vcnt) + put_page(pages[j]); + len -= bytes; offset = 0; } diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c index 90112092d1e6..b297d43e1121 100644 --- a/drivers/ata/libata-scsi.c +++ b/drivers/ata/libata-scsi.c @@ -2796,10 +2796,12 @@ static unsigned int atapi_xlat(struct ata_queued_cmd *qc) static struct ata_device *ata_find_dev(struct ata_port *ap, int devno) { if (!sata_pmp_attached(ap)) { - if (likely(devno < ata_link_max_devices(&ap->link))) + if (likely(devno >= 0 && + devno < ata_link_max_devices(&ap->link))) return &ap->link.device[devno]; } else { - if (likely(devno < ap->nr_pmp_links)) + if (likely(devno >= 0 && + devno < ap->nr_pmp_links)) return &ap->pmp_link[devno].device[0]; } diff --git a/drivers/ata/pata_hpt366.c b/drivers/ata/pata_hpt366.c index cbc3de793d1d..0038dc4c06c7 100644 --- a/drivers/ata/pata_hpt366.c +++ b/drivers/ata/pata_hpt366.c @@ -352,7 +352,7 @@ static int hpt36x_init_one(struct pci_dev *dev, const struct pci_device_id *id) }; const struct ata_port_info *ppi[] = { &info_hpt366, NULL }; - void *hpriv = NULL; + const void *hpriv = NULL; u32 reg1; int rc; @@ -383,7 +383,7 @@ static int hpt36x_init_one(struct pci_dev *dev, const struct pci_device_id *id) break; } /* Now kick off ATA set up */ - return ata_pci_bmdma_init_one(dev, ppi, &hpt36x_sht, hpriv, 0); + return ata_pci_bmdma_init_one(dev, ppi, &hpt36x_sht, (void *)hpriv, 0); } #ifdef CONFIG_PM_SLEEP diff --git a/drivers/block/drbd/drbd_bitmap.c b/drivers/block/drbd/drbd_bitmap.c index 1aa29f8fdfe1..7c76f7270bec 100644 --- a/drivers/block/drbd/drbd_bitmap.c +++ b/drivers/block/drbd/drbd_bitmap.c @@ -478,8 +478,14 @@ void drbd_bm_cleanup(struct drbd_device *device) * this masks out the remaining bits. * Returns the number of bits cleared. */ +#ifndef BITS_PER_PAGE #define BITS_PER_PAGE (1UL << (PAGE_SHIFT + 3)) #define BITS_PER_PAGE_MASK (BITS_PER_PAGE - 1) +#else +# if BITS_PER_PAGE != (1UL << (PAGE_SHIFT + 3)) +# error "ambiguous BITS_PER_PAGE" +# endif +#endif #define BITS_PER_LONG_MASK (BITS_PER_LONG - 1) static int bm_clear_surplus(struct drbd_bitmap *b) { diff --git a/drivers/block/paride/pg.c b/drivers/block/paride/pg.c index 2ce3dfd7e6b9..876d0c3eaf58 100644 --- a/drivers/block/paride/pg.c +++ b/drivers/block/paride/pg.c @@ -137,7 +137,7 @@ */ -static bool verbose = 0; +static int verbose; static int major = PG_MAJOR; static char *name = PG_NAME; static int disable = 0; @@ -168,7 +168,7 @@ enum {D_PRT, D_PRO, D_UNI, D_MOD, D_SLV, D_DLY}; #include <asm/uaccess.h> -module_param(verbose, bool, 0644); +module_param(verbose, int, 0644); module_param(major, int, 0); module_param(name, charp, 0); module_param_array(drive0, int, NULL, 0); diff --git a/drivers/clk/clk-efm32gg.c b/drivers/clk/clk-efm32gg.c index bac2ddf49d02..73a8d0ff530c 100644 --- a/drivers/clk/clk-efm32gg.c +++ b/drivers/clk/clk-efm32gg.c @@ -22,7 +22,7 @@ static struct clk_onecell_data clk_data = { .clk_num = ARRAY_SIZE(clk), }; -static int __init efm32gg_cmu_init(struct device_node *np) +static void __init efm32gg_cmu_init(struct device_node *np) { int i; void __iomem *base; @@ -33,7 +33,7 @@ static int __init efm32gg_cmu_init(struct device_node *np) base = of_iomap(np, 0); if (!base) { pr_warn("Failed to map address range for efm32gg,cmu node\n"); - return -EADDRNOTAVAIL; + return; } clk[clk_HFXO] = clk_register_fixed_rate(NULL, "HFXO", NULL, @@ -76,6 +76,6 @@ static int __init efm32gg_cmu_init(struct device_node *np) clk[clk_HFPERCLKDAC0] = clk_register_gate(NULL, "HFPERCLK.DAC0", "HFXO", 0, base + CMU_HFPERCLKEN0, 17, 0, NULL); - return of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data); + of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data); } CLK_OF_DECLARE(efm32ggcmu, "efm32gg,cmu", efm32gg_cmu_init); diff --git a/drivers/dma/amba-pl08x.c b/drivers/dma/amba-pl08x.c index 8114731a1c62..8ff32b126605 100644 --- a/drivers/dma/amba-pl08x.c +++ b/drivers/dma/amba-pl08x.c @@ -1040,7 +1040,7 @@ static int pl08x_fill_llis_for_desc(struct pl08x_driver_data *pl08x, if (early_bytes) { dev_vdbg(&pl08x->adev->dev, - "%s byte width LLIs (remain 0x%08x)\n", + "%s byte width LLIs (remain 0x%08zx)\n", __func__, bd.remainder); prep_byte_width_lli(pl08x, &bd, &cctl, early_bytes, num_llis++, &total_bytes); @@ -1662,7 +1662,7 @@ static struct dma_async_tx_descriptor *pl08x_prep_dma_cyclic( dma_addr_t slave_addr; dev_dbg(&pl08x->adev->dev, - "%s prepare cyclic transaction of %d/%d bytes %s %s\n", + "%s prepare cyclic transaction of %zd/%zd bytes %s %s\n", __func__, period_len, buf_len, direction == DMA_MEM_TO_DEV ? "to" : "from", plchan->name); diff --git a/drivers/gpio/gpio-tegra.c b/drivers/gpio/gpio-tegra.c index 4e8fb8261a87..8dc43ac6fa8d 100644 --- a/drivers/gpio/gpio-tegra.c +++ b/drivers/gpio/gpio-tegra.c @@ -271,7 +271,7 @@ static void tegra_gpio_irq_handler(unsigned int irq, struct irq_desc *desc) struct tegra_gpio_bank *bank; int port; int pin; - int unmasked = 0; + bool unmasked = false; struct irq_chip *chip = irq_desc_get_chip(desc); chained_irq_enter(chip, desc); @@ -291,8 +291,8 @@ static void tegra_gpio_irq_handler(unsigned int irq, struct irq_desc *desc) * before executing the hander so that we don't * miss edges */ - if (lvl & (0x100 << pin)) { - unmasked = 1; + if (!unmasked && lvl & (0x100 << pin)) { + unmasked = true; chained_irq_exit(chip, desc); } diff --git a/drivers/gpu/drm/drm_gem.c b/drivers/gpu/drm/drm_gem.c index f7d71190aad5..903d059fc7a6 100644 --- a/drivers/gpu/drm/drm_gem.c +++ b/drivers/gpu/drm/drm_gem.c @@ -698,13 +698,13 @@ drm_gem_object_release_handle(int id, void *ptr, void *data) struct drm_gem_object *obj = ptr; struct drm_device *dev = obj->dev; + if (dev->driver->gem_close_object) + dev->driver->gem_close_object(obj, file_priv); + if (drm_core_check_feature(dev, DRIVER_PRIME)) drm_gem_remove_prime_handles(obj, file_priv); drm_vma_node_revoke(&obj->vma_node, file_priv->filp); - if (dev->driver->gem_close_object) - dev->driver->gem_close_object(obj, file_priv); - drm_gem_object_handle_unreference_unlocked(obj); return 0; diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index b8c689202c40..14d2f2cfd88f 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -141,10 +141,11 @@ describe_obj(struct seq_file *m, struct drm_i915_gem_object *obj) obj->madv == I915_MADV_DONTNEED ? " purgeable" : ""); if (obj->base.name) seq_printf(m, " (name: %d)", obj->base.name); - list_for_each_entry(vma, &obj->vma_list, vma_link) + list_for_each_entry(vma, &obj->vma_list, vma_link) { if (vma->pin_count > 0) pin_count++; - seq_printf(m, " (pinned x %d)", pin_count); + } + seq_printf(m, " (pinned x %d)", pin_count); if (obj->pin_display) seq_printf(m, " (display)"); if (obj->fence_reg != I915_FENCE_REG_NONE) diff --git a/drivers/gpu/drm/msm/msm_gem_submit.c b/drivers/gpu/drm/msm/msm_gem_submit.c index 057951163126..80a708396e49 100644 --- a/drivers/gpu/drm/msm/msm_gem_submit.c +++ b/drivers/gpu/drm/msm/msm_gem_submit.c @@ -34,10 +34,13 @@ static inline void __user *to_user_ptr(u64 address) } static struct msm_gem_submit *submit_create(struct drm_device *dev, - struct msm_gpu *gpu, int nr) + struct msm_gpu *gpu, uint32_t nr) { struct msm_gem_submit *submit; - int sz = sizeof(*submit) + (nr * sizeof(submit->bos[0])); + uint64_t sz = sizeof(*submit) + ((u64)nr * sizeof(submit->bos[0])); + + if (sz > SIZE_MAX) + return NULL; submit = kmalloc(sz, GFP_TEMPORARY | __GFP_NOWARN | __GFP_NORETRY); if (submit) { diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c index 118e2206b792..129751121684 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c @@ -285,7 +285,7 @@ static int vmw_cmd_invalid(struct vmw_private *dev_priv, struct vmw_sw_context *sw_context, SVGA3dCmdHeader *header) { - return capable(CAP_SYS_ADMIN) ? : -EINVAL; + return -EINVAL; } static int vmw_cmd_ok(struct vmw_private *dev_priv, diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c index b8021c499bbd..f2f729adc3fd 100644 --- a/drivers/hid/usbhid/hid-core.c +++ b/drivers/hid/usbhid/hid-core.c @@ -975,6 +975,8 @@ static int usbhid_parse(struct hid_device *hid) unsigned int rsize = 0; char *rdesc; int ret, n; + int num_descriptors; + size_t offset = offsetof(struct hid_descriptor, desc); quirks = usbhid_lookup_quirk(le16_to_cpu(dev->descriptor.idVendor), le16_to_cpu(dev->descriptor.idProduct)); @@ -997,10 +999,18 @@ static int usbhid_parse(struct hid_device *hid) return -ENODEV; } + if (hdesc->bLength < sizeof(struct hid_descriptor)) { + dbg_hid("hid descriptor is too short\n"); + return -EINVAL; + } + hid->version = le16_to_cpu(hdesc->bcdHID); hid->country = hdesc->bCountryCode; - for (n = 0; n < hdesc->bNumDescriptors; n++) + num_descriptors = min_t(int, hdesc->bNumDescriptors, + (hdesc->bLength - offset) / sizeof(struct hid_class_descriptor)); + + for (n = 0; n < num_descriptors; n++) if (hdesc->desc[n].bDescriptorType == HID_DT_REPORT) rsize = le16_to_cpu(hdesc->desc[n].wDescriptorLength); diff --git a/drivers/i2c/busses/i2c-ismt.c b/drivers/i2c/busses/i2c-ismt.c index eb3ba56e90b1..51d62e0c1113 100644 --- a/drivers/i2c/busses/i2c-ismt.c +++ b/drivers/i2c/busses/i2c-ismt.c @@ -343,6 +343,11 @@ static int ismt_process_desc(const struct ismt_desc *desc, data->word = dma_buffer[0] | (dma_buffer[1] << 8); break; case I2C_SMBUS_BLOCK_DATA: + if (desc->rxbytes != dma_buffer[0] + 1) + return -EMSGSIZE; + + memcpy(data->block, dma_buffer, desc->rxbytes); + break; case I2C_SMBUS_I2C_BLOCK_DATA: memcpy(&data->block[1], dma_buffer, desc->rxbytes); data->block[0] = desc->rxbytes; diff --git a/drivers/i2c/muxes/Kconfig b/drivers/i2c/muxes/Kconfig index f6d313e528de..15248f63583e 100644 --- a/drivers/i2c/muxes/Kconfig +++ b/drivers/i2c/muxes/Kconfig @@ -58,6 +58,6 @@ config I2C_MUX_PINCTRL different sets of pins at run-time. This driver can also be built as a module. If so, the module will be - called pinctrl-i2cmux. + called i2c-mux-pinctrl. endmenu diff --git a/drivers/iio/adc/exynos_adc.c b/drivers/iio/adc/exynos_adc.c index 010578f1d762..bb7c50cd3f72 100644 --- a/drivers/iio/adc/exynos_adc.c +++ b/drivers/iio/adc/exynos_adc.c @@ -109,7 +109,7 @@ static inline unsigned int exynos_adc_get_version(struct platform_device *pdev) const struct of_device_id *match; match = of_match_node(exynos_adc_match, pdev->dev.of_node); - return (unsigned int)match->data; + return (uintptr_t)match->data; } static void exynos_adc_hw_init(struct exynos_adc *info) diff --git a/drivers/iio/adc/vf610_adc.c b/drivers/iio/adc/vf610_adc.c index 0062d0e71d03..fb58b2d11d28 100644 --- a/drivers/iio/adc/vf610_adc.c +++ b/drivers/iio/adc/vf610_adc.c @@ -71,7 +71,7 @@ #define VF610_ADC_ADSTS_MASK 0x300 #define VF610_ADC_ADLPC_EN 0x80 #define VF610_ADC_ADHSC_EN 0x400 -#define VF610_ADC_REFSEL_VALT 0x100 +#define VF610_ADC_REFSEL_VALT 0x800 #define VF610_ADC_REFSEL_VBG 0x1000 #define VF610_ADC_ADTRG_HARD 0x2000 #define VF610_ADC_AVGS_8 0x4000 diff --git a/drivers/iio/imu/adis16480.c b/drivers/iio/imu/adis16480.c index 5e1b117d4e3b..4f2994a667d0 100644 --- a/drivers/iio/imu/adis16480.c +++ b/drivers/iio/imu/adis16480.c @@ -724,7 +724,7 @@ static const struct adis16480_chip_info adis16480_chip_info[] = { .gyro_max_val = IIO_RAD_TO_DEGREE(22500), .gyro_max_scale = 450, .accel_max_val = IIO_M_S_2_TO_G(12500), - .accel_max_scale = 5, + .accel_max_scale = 10, }, [ADIS16485] = { .channels = adis16485_channels, diff --git a/drivers/iio/light/tsl2563.c b/drivers/iio/light/tsl2563.c index 94daa9fc1247..6a135effb7c5 100644 --- a/drivers/iio/light/tsl2563.c +++ b/drivers/iio/light/tsl2563.c @@ -626,7 +626,7 @@ static irqreturn_t tsl2563_event_handler(int irq, void *private) struct tsl2563_chip *chip = iio_priv(dev_info); iio_push_event(dev_info, - IIO_UNMOD_EVENT_CODE(IIO_LIGHT, + IIO_UNMOD_EVENT_CODE(IIO_INTENSITY, 0, IIO_EV_TYPE_THRESH, IIO_EV_DIR_EITHER), diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c index fb9bb266a517..bb20bc543a29 100644 --- a/drivers/infiniband/core/cma.c +++ b/drivers/infiniband/core/cma.c @@ -753,6 +753,8 @@ int rdma_init_qp_attr(struct rdma_cm_id *id, struct ib_qp_attr *qp_attr, } else ret = iw_cm_init_qp_attr(id_priv->cm_id.iw, qp_attr, qp_attr_mask); + qp_attr->port_num = id_priv->id.port_num; + *qp_attr_mask |= IB_QP_PORT; break; default: ret = -ENOSYS; diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c index ab6326cdde23..622da19f3f21 100644 --- a/drivers/infiniband/core/uverbs_cmd.c +++ b/drivers/infiniband/core/uverbs_cmd.c @@ -1303,7 +1303,7 @@ ssize_t ib_uverbs_resize_cq(struct ib_uverbs_file *file, int out_len) { struct ib_uverbs_resize_cq cmd; - struct ib_uverbs_resize_cq_resp resp; + struct ib_uverbs_resize_cq_resp resp = {}; struct ib_udata udata; struct ib_cq *cq; int ret = -EINVAL; @@ -1915,7 +1915,8 @@ ssize_t ib_uverbs_modify_qp(struct ib_uverbs_file *file, goto out; } - if (!rdma_is_port_valid(qp->device, cmd.port_num)) { + if ((cmd.attr_mask & IB_QP_PORT) && + !rdma_is_port_valid(qp->device, cmd.port_num)) { ret = -EINVAL; goto release_qp; } diff --git a/drivers/infiniband/core/uverbs_main.c b/drivers/infiniband/core/uverbs_main.c index 5bbfd0ecb31a..6354c1c7576f 100644 --- a/drivers/infiniband/core/uverbs_main.c +++ b/drivers/infiniband/core/uverbs_main.c @@ -315,6 +315,7 @@ static void ib_uverbs_release_file(struct kref *ref) if (atomic_dec_and_test(&file->device->refcount)) ib_uverbs_comp_dev(file->device); + kobject_put(&file->device->kobj); kfree(file); } @@ -784,7 +785,6 @@ static int ib_uverbs_open(struct inode *inode, struct file *filp) static int ib_uverbs_close(struct inode *inode, struct file *filp) { struct ib_uverbs_file *file = filp->private_data; - struct ib_uverbs_device *dev = file->device; ib_uverbs_cleanup_ucontext(file, file->ucontext); @@ -792,7 +792,6 @@ static int ib_uverbs_close(struct inode *inode, struct file *filp) kref_put(&file->async_file->ref, ib_uverbs_release_event_file); kref_put(&file->ref, ib_uverbs_release_file); - kobject_put(&dev->kobj); return 0; } diff --git a/drivers/infiniband/hw/cxgb3/iwch_provider.c b/drivers/infiniband/hw/cxgb3/iwch_provider.c index 811b24a539c0..736cf45f8c0c 100644 --- a/drivers/infiniband/hw/cxgb3/iwch_provider.c +++ b/drivers/infiniband/hw/cxgb3/iwch_provider.c @@ -794,7 +794,7 @@ static struct ib_mr *iwch_alloc_fast_reg_mr(struct ib_pd *pd, int pbl_depth) struct iwch_mr *mhp; u32 mmid; u32 stag = 0; - int ret = 0; + int ret = -ENOMEM; php = to_iwch_pd(pd); rhp = php->rhp; @@ -817,7 +817,8 @@ static struct ib_mr *iwch_alloc_fast_reg_mr(struct ib_pd *pd, int pbl_depth) mhp->attr.state = 1; mmid = (stag) >> 8; mhp->ibmr.rkey = mhp->ibmr.lkey = stag; - if (insert_handle(rhp, &rhp->mmidr, mhp, mmid)) + ret = insert_handle(rhp, &rhp->mmidr, mhp, mmid); + if (ret) goto err3; PDBG("%s mmid 0x%x mhp %p stag 0x%x\n", __func__, mmid, mhp, stag); diff --git a/drivers/infiniband/hw/cxgb4/cq.c b/drivers/infiniband/hw/cxgb4/cq.c index c04292c950f1..94f7856c3bdb 100644 --- a/drivers/infiniband/hw/cxgb4/cq.c +++ b/drivers/infiniband/hw/cxgb4/cq.c @@ -938,6 +938,7 @@ struct ib_cq *c4iw_create_cq(struct ib_device *ibdev, int entries, goto err2; if (ucontext) { + ret = -ENOMEM; mm = kmalloc(sizeof *mm, GFP_KERNEL); if (!mm) goto err3; diff --git a/drivers/infiniband/hw/mlx5/mem.c b/drivers/infiniband/hw/mlx5/mem.c index 8499aec94db6..deff377934ff 100644 --- a/drivers/infiniband/hw/mlx5/mem.c +++ b/drivers/infiniband/hw/mlx5/mem.c @@ -68,7 +68,7 @@ void mlx5_ib_cont_pages(struct ib_umem *umem, u64 addr, int *count, int *shift, for (k = 0; k < len; k++) { if (!(i & mask)) { tmp = (unsigned long)pfn; - m = min(m, find_first_bit(&tmp, sizeof(tmp))); + m = min_t(unsigned long, m, find_first_bit(&tmp, sizeof(tmp))); skip = 1 << m; mask = skip - 1; base = pfn; diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c index edf6211d84b8..43e6f0572717 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c +++ b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c @@ -565,7 +565,8 @@ struct ib_pd *ocrdma_alloc_pd(struct ib_device *ibdev, if (is_uctx_pd) { ocrdma_release_ucontext_pd(uctx); } else { - status = ocrdma_mbx_dealloc_pd(dev, pd); + if (ocrdma_mbx_dealloc_pd(dev, pd)) + pr_err("%s: ocrdma_mbx_dealloc_pd() failed\n", __func__); kfree(pd); } exit: @@ -1719,6 +1720,7 @@ struct ib_srq *ocrdma_create_srq(struct ib_pd *ibpd, goto err; if (udata == NULL) { + status = -ENOMEM; srq->rqe_wr_id_tbl = kzalloc(sizeof(u64) * srq->rq.max_cnt, GFP_KERNEL); if (srq->rqe_wr_id_tbl == NULL) diff --git a/drivers/infiniband/ulp/ipoib/ipoib_cm.c b/drivers/infiniband/ulp/ipoib/ipoib_cm.c index d7db3486f933..4a5764fe4b23 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_cm.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_cm.c @@ -508,7 +508,6 @@ static int ipoib_cm_rx_handler(struct ib_cm_id *cm_id, case IB_CM_REQ_RECEIVED: return ipoib_cm_req_handler(cm_id, event); case IB_CM_DREQ_RECEIVED: - p = cm_id->context; ib_send_cm_drep(cm_id, NULL, 0); /* Fall through */ case IB_CM_REJ_RECEIVED: diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c index 40be7b4206c0..1370012798cb 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_main.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c @@ -1235,6 +1235,7 @@ static void ipoib_flush_neighs(struct ipoib_dev_priv *priv) int i, wait_flushed = 0; init_completion(&priv->ntbl.flushed); + set_bit(IPOIB_NEIGH_TBL_FLUSH, &priv->flags); spin_lock_irqsave(&priv->lock, flags); @@ -1279,7 +1280,6 @@ static void ipoib_neigh_hash_uninit(struct net_device *dev) ipoib_dbg(priv, "ipoib_neigh_hash_uninit\n"); init_completion(&priv->ntbl.deleted); - set_bit(IPOIB_NEIGH_TBL_FLUSH, &priv->flags); /* Stop GC if called at init fail need to cancel work */ stopped = test_and_set_bit(IPOIB_STOP_NEIGH_GC, &priv->flags); @@ -1768,6 +1768,7 @@ static int __init ipoib_init_module(void) ipoib_sendq_size = max3(ipoib_sendq_size, 2 * MAX_SEND_CQE, IPOIB_MIN_QUEUE_SIZE); #ifdef CONFIG_INFINIBAND_IPOIB_CM ipoib_max_conn_qp = min(ipoib_max_conn_qp, IPOIB_CM_MAX_CONN_QP); + ipoib_max_conn_qp = max(ipoib_max_conn_qp, 0); #endif /* diff --git a/drivers/input/joystick/analog.c b/drivers/input/joystick/analog.c index 9135606c8649..ab0fdcd36e18 100644 --- a/drivers/input/joystick/analog.c +++ b/drivers/input/joystick/analog.c @@ -158,7 +158,7 @@ static unsigned int get_time_pit(void) #define GET_TIME(x) rdtscl(x) #define DELTA(x,y) ((y)-(x)) #define TIME_NAME "TSC" -#elif defined(__alpha__) || defined(CONFIG_MN10300) || defined(CONFIG_ARM) || defined(CONFIG_TILE) +#elif defined(__alpha__) || defined(CONFIG_MN10300) || defined(CONFIG_ARM) || defined(CONFIG_ARM64) || defined(CONFIG_TILE) #define GET_TIME(x) do { x = get_cycles(); } while (0) #define DELTA(x,y) ((y)-(x)) #define TIME_NAME "get_cycles" diff --git a/drivers/input/mouse/trackpoint.c b/drivers/input/mouse/trackpoint.c index ca843b6cf6bd..db511998fc4c 100644 --- a/drivers/input/mouse/trackpoint.c +++ b/drivers/input/mouse/trackpoint.c @@ -263,7 +263,8 @@ static int trackpoint_start_protocol(struct psmouse *psmouse, unsigned char *fir if (ps2_command(&psmouse->ps2dev, param, MAKE_PS2_CMD(0, 2, TP_READ_ID))) return -1; - if (param[0] != TP_MAGIC_IDENT) + /* add new TP ID. */ + if (!(param[0] & TP_MAGIC_IDENT)) return -1; if (firmware_id) diff --git a/drivers/input/mouse/trackpoint.h b/drivers/input/mouse/trackpoint.h index ecd0547964a5..2d7be0435957 100644 --- a/drivers/input/mouse/trackpoint.h +++ b/drivers/input/mouse/trackpoint.h @@ -21,8 +21,9 @@ #define TP_COMMAND 0xE2 /* Commands start with this */ #define TP_READ_ID 0xE1 /* Sent for device identification */ -#define TP_MAGIC_IDENT 0x01 /* Sent after a TP_READ_ID followed */ +#define TP_MAGIC_IDENT 0x03 /* Sent after a TP_READ_ID followed */ /* by the firmware ID */ + /* Firmware ID includes 0x1, 0x2, 0x3 */ /* diff --git a/drivers/input/serio/gscps2.c b/drivers/input/serio/gscps2.c index 8d9ba0c3827c..94ab494a6ade 100644 --- a/drivers/input/serio/gscps2.c +++ b/drivers/input/serio/gscps2.c @@ -40,7 +40,6 @@ MODULE_AUTHOR("Laurent Canet <canetl@xxxxxxxx>, Thibaut Varene <varenet@xxxxxxxxxxxxxxxx>, Helge Deller <deller@xxxxxx>"); MODULE_DESCRIPTION("HP GSC PS2 port driver"); MODULE_LICENSE("GPL"); -MODULE_DEVICE_TABLE(parisc, gscps2_device_tbl); #define PFX "gscps2.c: " @@ -439,6 +438,7 @@ static struct parisc_device_id gscps2_device_tbl[] = { #endif { 0, } /* 0 terminated list */ }; +MODULE_DEVICE_TABLE(parisc, gscps2_device_tbl); static struct parisc_driver parisc_ps2_driver = { .name = "gsc_ps2", diff --git a/drivers/iommu/amd_iommu_init.c b/drivers/iommu/amd_iommu_init.c index 69f1b6adb904..48b726f4ad48 100644 --- a/drivers/iommu/amd_iommu_init.c +++ b/drivers/iommu/amd_iommu_init.c @@ -2027,11 +2027,11 @@ static int __init state_next(void) break; case IOMMU_ACPI_FINISHED: early_enable_iommus(); - register_syscore_ops(&amd_iommu_syscore_ops); x86_platform.iommu_shutdown = disable_iommus; init_state = IOMMU_ENABLED; break; case IOMMU_ENABLED: + register_syscore_ops(&amd_iommu_syscore_ops); ret = amd_iommu_init_pci(); init_state = ret ? IOMMU_INIT_ERROR : IOMMU_PCI_INIT; enable_iommus_v2(); diff --git a/drivers/irqchip/irq-brcmstb-l2.c b/drivers/irqchip/irq-brcmstb-l2.c index c15c840987d2..94a15ae52212 100644 --- a/drivers/irqchip/irq-brcmstb-l2.c +++ b/drivers/irqchip/irq-brcmstb-l2.c @@ -176,6 +176,7 @@ int __init brcmstb_l2_intc_of_init(struct device_node *np, ct->chip.irq_suspend = brcmstb_l2_intc_suspend; ct->chip.irq_resume = brcmstb_l2_intc_resume; + ct->chip.irq_pm_shutdown = brcmstb_l2_intc_suspend; if (of_property_read_bool(np, "brcm,irq-can-wake")) { data->can_wake = true; diff --git a/drivers/isdn/hardware/mISDN/mISDNipac.c b/drivers/isdn/hardware/mISDN/mISDNipac.c index 92cf6fcd20ac..cb428b9ee441 100644 --- a/drivers/isdn/hardware/mISDN/mISDNipac.c +++ b/drivers/isdn/hardware/mISDN/mISDNipac.c @@ -754,10 +754,10 @@ dbusy_timer_handler(struct isac_hw *isac) } static int -open_dchannel(struct isac_hw *isac, struct channel_req *rq) +open_dchannel_caller(struct isac_hw *isac, struct channel_req *rq, void *caller) { pr_debug("%s: %s dev(%d) open from %p\n", isac->name, __func__, - isac->dch.dev.id, __builtin_return_address(1)); + isac->dch.dev.id, caller); if (rq->protocol != ISDN_P_TE_S0) return -EINVAL; if (rq->adr.channel == 1) @@ -771,6 +771,12 @@ open_dchannel(struct isac_hw *isac, struct channel_req *rq) return 0; } +static int +open_dchannel(struct isac_hw *isac, struct channel_req *rq) +{ + return open_dchannel_caller(isac, rq, __builtin_return_address(0)); +} + static const char *ISACVer[] = {"2086/2186 V1.1", "2085 B1", "2085 B2", "2085 V2.3"}; @@ -1547,7 +1553,7 @@ ipac_dctrl(struct mISDNchannel *ch, u32 cmd, void *arg) case OPEN_CHANNEL: rq = arg; if (rq->protocol == ISDN_P_TE_S0) - err = open_dchannel(isac, rq); + err = open_dchannel_caller(isac, rq, __builtin_return_address(0)); else err = open_bchannel(ipac, rq); if (err) diff --git a/drivers/isdn/hardware/mISDN/w6692.c b/drivers/isdn/hardware/mISDN/w6692.c index de69f6828c76..741675525b53 100644 --- a/drivers/isdn/hardware/mISDN/w6692.c +++ b/drivers/isdn/hardware/mISDN/w6692.c @@ -1176,10 +1176,10 @@ w6692_l1callback(struct dchannel *dch, u32 cmd) } static int -open_dchannel(struct w6692_hw *card, struct channel_req *rq) +open_dchannel(struct w6692_hw *card, struct channel_req *rq, void *caller) { pr_debug("%s: %s dev(%d) open from %p\n", card->name, __func__, - card->dch.dev.id, __builtin_return_address(1)); + card->dch.dev.id, caller); if (rq->protocol != ISDN_P_TE_S0) return -EINVAL; if (rq->adr.channel == 1) @@ -1207,7 +1207,7 @@ w6692_dctrl(struct mISDNchannel *ch, u32 cmd, void *arg) case OPEN_CHANNEL: rq = arg; if (rq->protocol == ISDN_P_TE_S0) - err = open_dchannel(card, rq); + err = open_dchannel(card, rq, __builtin_return_address(0)); else err = open_bchannel(card, rq); if (err) diff --git a/drivers/md/dm-bufio.c b/drivers/md/dm-bufio.c index 08ae5b492bc4..c0e44d210326 100644 --- a/drivers/md/dm-bufio.c +++ b/drivers/md/dm-bufio.c @@ -349,6 +349,7 @@ static void *alloc_buffer_data(struct dm_bufio_client *c, gfp_t gfp_mask, * as if GFP_NOIO was specified. */ + noio_flag = 0; if (gfp_mask & __GFP_NORETRY) noio_flag = memalloc_noio_save(); diff --git a/drivers/md/dm.c b/drivers/md/dm.c index 4f0773c8ad20..98a47dbf48c2 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -24,16 +24,6 @@ #define DM_MSG_PREFIX "core" -#ifdef CONFIG_PRINTK -/* - * ratelimit state to be used in DMXXX_LIMIT(). - */ -DEFINE_RATELIMIT_STATE(dm_ratelimit_state, - DEFAULT_RATELIMIT_INTERVAL, - DEFAULT_RATELIMIT_BURST); -EXPORT_SYMBOL(dm_ratelimit_state); -#endif - /* * Cookies are numeric values sent with CHANGE and REMOVE * uevents while resuming, removing or renaming the device. diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index 16789320135f..affe5d3e768b 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -5240,6 +5240,8 @@ static void raid5_do_work(struct work_struct *work) pr_debug("%d stripes handled\n", handled); spin_unlock_irq(&conf->device_lock); + + async_tx_issue_pending_all(); blk_finish_plug(&plug); pr_debug("--- raid5worker inactive\n"); @@ -6741,12 +6743,10 @@ static void end_reshape(struct r5conf *conf) { if (!test_bit(MD_RECOVERY_INTR, &conf->mddev->recovery)) { - struct md_rdev *rdev; spin_lock_irq(&conf->device_lock); conf->previous_raid_disks = conf->raid_disks; - rdev_for_each(rdev, conf->mddev) - rdev->data_offset = rdev->new_data_offset; + md_finish_reshape(conf->mddev); smp_wmb(); conf->reshape_progress = MaxSector; spin_unlock_irq(&conf->device_lock); diff --git a/drivers/media/platform/davinci/vpfe_capture.c b/drivers/media/platform/davinci/vpfe_capture.c index ff10c2e90a5a..93a374fcced8 100644 --- a/drivers/media/platform/davinci/vpfe_capture.c +++ b/drivers/media/platform/davinci/vpfe_capture.c @@ -1708,27 +1708,9 @@ static long vpfe_param_handler(struct file *file, void *priv, switch (cmd) { case VPFE_CMD_S_CCDC_RAW_PARAMS: + ret = -EINVAL; v4l2_warn(&vpfe_dev->v4l2_dev, - "VPFE_CMD_S_CCDC_RAW_PARAMS: experimental ioctl\n"); - if (ccdc_dev->hw_ops.set_params) { - ret = ccdc_dev->hw_ops.set_params(param); - if (ret) { - v4l2_dbg(1, debug, &vpfe_dev->v4l2_dev, - "Error setting parameters in CCDC\n"); - goto unlock_out; - } - ret = vpfe_get_ccdc_image_format(vpfe_dev, - &vpfe_dev->fmt); - if (ret < 0) { - v4l2_dbg(1, debug, &vpfe_dev->v4l2_dev, - "Invalid image format at CCDC\n"); - goto unlock_out; - } - } else { - ret = -EINVAL; - v4l2_dbg(1, debug, &vpfe_dev->v4l2_dev, - "VPFE_CMD_S_CCDC_RAW_PARAMS not supported\n"); - } + "VPFE_CMD_S_CCDC_RAW_PARAMS not supported\n"); break; default: ret = -ENOTTY; diff --git a/drivers/media/rc/ir-lirc-codec.c b/drivers/media/rc/ir-lirc-codec.c index 2af2326ab3d2..33d6c05352a2 100644 --- a/drivers/media/rc/ir-lirc-codec.c +++ b/drivers/media/rc/ir-lirc-codec.c @@ -257,7 +257,7 @@ static long ir_lirc_ioctl(struct file *filep, unsigned int cmd, return 0; case LIRC_GET_REC_RESOLUTION: - val = dev->rx_resolution; + val = dev->rx_resolution / 1000; break; case LIRC_SET_WIDEBAND_RECEIVER: diff --git a/drivers/message/i2o/i2o_config.c b/drivers/message/i2o/i2o_config.c index 04bd3b6de401..67ceb3010a10 100644 --- a/drivers/message/i2o/i2o_config.c +++ b/drivers/message/i2o/i2o_config.c @@ -772,7 +772,7 @@ static long i2o_cfg_compat_ioctl(struct file *file, unsigned cmd, #endif -#ifdef CONFIG_I2O_EXT_ADAPTEC +#if defined(CONFIG_I2O_EXT_ADAPTEC) && !defined(CONFIG_64BIT) static int i2o_cfg_passthru(unsigned long arg) { struct i2o_cmd_passthru __user *cmd = @@ -1045,7 +1045,7 @@ static long i2o_cfg_ioctl(struct file *fp, unsigned int cmd, unsigned long arg) ret = i2o_cfg_evt_get(arg, fp); break; -#ifdef CONFIG_I2O_EXT_ADAPTEC +#if defined(CONFIG_I2O_EXT_ADAPTEC) && !defined(CONFIG_64BIT) case I2OPASSTHRU: ret = i2o_cfg_passthru(arg); break; diff --git a/drivers/mfd/arizona-core.c b/drivers/mfd/arizona-core.c index 1577e6418306..c39d119b4cbd 100644 --- a/drivers/mfd/arizona-core.c +++ b/drivers/mfd/arizona-core.c @@ -497,12 +497,12 @@ const struct dev_pm_ops arizona_pm_ops = { EXPORT_SYMBOL_GPL(arizona_pm_ops); #ifdef CONFIG_OF -int arizona_of_get_type(struct device *dev) +unsigned long arizona_of_get_type(struct device *dev) { const struct of_device_id *id = of_match_device(arizona_of_match, dev); if (id) - return (int)id->data; + return (unsigned long)id->data; else return 0; } diff --git a/drivers/mfd/arizona-i2c.c b/drivers/mfd/arizona-i2c.c index beccb790c9ba..9d4156fb082a 100644 --- a/drivers/mfd/arizona-i2c.c +++ b/drivers/mfd/arizona-i2c.c @@ -24,11 +24,12 @@ #include "arizona.h" static int arizona_i2c_probe(struct i2c_client *i2c, - const struct i2c_device_id *id) + const struct i2c_device_id *id) { struct arizona *arizona; const struct regmap_config *regmap_config; - int ret, type; + unsigned long type; + int ret; if (i2c->dev.of_node) type = arizona_of_get_type(&i2c->dev); diff --git a/drivers/mfd/arizona-spi.c b/drivers/mfd/arizona-spi.c index 1ca554b18bef..5145d78bf07e 100644 --- a/drivers/mfd/arizona-spi.c +++ b/drivers/mfd/arizona-spi.c @@ -28,7 +28,8 @@ static int arizona_spi_probe(struct spi_device *spi) const struct spi_device_id *id = spi_get_device_id(spi); struct arizona *arizona; const struct regmap_config *regmap_config; - int ret, type; + unsigned long type; + int ret; if (spi->dev.of_node) type = arizona_of_get_type(&spi->dev); diff --git a/drivers/mfd/arizona.h b/drivers/mfd/arizona.h index b4cef777df73..2951498ab9a1 100644 --- a/drivers/mfd/arizona.h +++ b/drivers/mfd/arizona.h @@ -46,9 +46,9 @@ int arizona_irq_init(struct arizona *arizona); int arizona_irq_exit(struct arizona *arizona); #ifdef CONFIG_OF -int arizona_of_get_type(struct device *dev); +unsigned long arizona_of_get_type(struct device *dev); #else -static inline int arizona_of_get_type(struct device *dev) +static inline unsigned long arizona_of_get_type(struct device *dev) { return 0; } diff --git a/drivers/mtd/maps/pmcmsp-flash.c b/drivers/mtd/maps/pmcmsp-flash.c index f9fa3fad728e..2051f28ddac6 100644 --- a/drivers/mtd/maps/pmcmsp-flash.c +++ b/drivers/mtd/maps/pmcmsp-flash.c @@ -139,15 +139,13 @@ static int __init init_msp_flash(void) } msp_maps[i].bankwidth = 1; - msp_maps[i].name = kmalloc(7, GFP_KERNEL); + msp_maps[i].name = kstrndup(flash_name, 7, GFP_KERNEL); if (!msp_maps[i].name) { iounmap(msp_maps[i].virt); kfree(msp_parts[i]); goto cleanup_loop; } - msp_maps[i].name = strncpy(msp_maps[i].name, flash_name, 7); - for (j = 0; j < pcnt; j++) { part_name[5] = '0' + i; part_name[7] = '0' + j; diff --git a/drivers/mtd/maps/rbtx4939-flash.c b/drivers/mtd/maps/rbtx4939-flash.c index 146b6047ed2b..a84fdfb10518 100644 --- a/drivers/mtd/maps/rbtx4939-flash.c +++ b/drivers/mtd/maps/rbtx4939-flash.c @@ -35,8 +35,6 @@ static int rbtx4939_flash_remove(struct platform_device *dev) return 0; if (info->mtd) { - struct rbtx4939_flash_data *pdata = dev_get_platdata(&dev->dev); - mtd_device_unregister(info->mtd); map_destroy(info->mtd); } diff --git a/drivers/mtd/nand/nandsim.c b/drivers/mtd/nand/nandsim.c index 4f0d83648e5a..9a7d0f3081fe 100644 --- a/drivers/mtd/nand/nandsim.c +++ b/drivers/mtd/nand/nandsim.c @@ -2387,6 +2387,7 @@ static int __init ns_init_module(void) return 0; err_exit: + nandsim_debugfs_remove(nand); free_nandsim(nand); nand_release(nsmtd); for (i = 0;i < ARRAY_SIZE(nand->partitions); ++i) diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig index 3fdfe317a6c5..b7e2fb72578d 100644 --- a/drivers/net/Kconfig +++ b/drivers/net/Kconfig @@ -331,6 +331,9 @@ config XEN_NETDEV_FRONTEND config XEN_NETDEV_BACKEND tristate "Xen backend network device" depends on XEN_BACKEND + depends on !(PAGE_SIZE_64KB || ARM64_64K_PAGES || \ + IA64_PAGE_SIZE_64KB || MICROBLAZE_64K_PAGES || \ + PARISC_PAGE_SIZE_64KB || PPC_64K_PAGES) help This driver allows the kernel to act as a Xen network driver domain which exports paravirtual network devices to other diff --git a/drivers/net/ethernet/amd/amd8111e.c b/drivers/net/ethernet/amd/amd8111e.c index 068dc7cad5fa..47b34f7c4512 100644 --- a/drivers/net/ethernet/amd/amd8111e.c +++ b/drivers/net/ethernet/amd/amd8111e.c @@ -101,7 +101,6 @@ MODULE_AUTHOR("Advanced Micro Devices, Inc."); MODULE_DESCRIPTION ("AMD8111 based 10/100 Ethernet Controller. Driver Version "MODULE_VERS); MODULE_LICENSE("GPL"); -MODULE_DEVICE_TABLE(pci, amd8111e_pci_tbl); module_param_array(speed_duplex, int, NULL, 0); MODULE_PARM_DESC(speed_duplex, "Set device speed and duplex modes, 0: Auto Negotiate, 1: 10Mbps Half Duplex, 2: 10Mbps Full Duplex, 3: 100Mbps Half Duplex, 4: 100Mbps Full Duplex"); module_param_array(coalesce, bool, NULL, 0); @@ -109,13 +108,6 @@ MODULE_PARM_DESC(coalesce, "Enable or Disable interrupt coalescing, 1: Enable, 0 module_param_array(dynamic_ipg, bool, NULL, 0); MODULE_PARM_DESC(dynamic_ipg, "Enable or Disable dynamic IPG, 1: Enable, 0: Disable"); -static DEFINE_PCI_DEVICE_TABLE(amd8111e_pci_tbl) = { - - { PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD8111E_7462, - PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL }, - { 0, } - -}; /* This function will read the PHY registers. */ @@ -1970,6 +1962,17 @@ static int amd8111e_probe_one(struct pci_dev *pdev, } +static const struct pci_device_id amd8111e_pci_tbl[] = { + { + .vendor = PCI_VENDOR_ID_AMD, + .device = PCI_DEVICE_ID_AMD8111E_7462, + }, + { + .vendor = 0, + } +}; +MODULE_DEVICE_TABLE(pci, amd8111e_pci_tbl); + static struct pci_driver amd8111e_driver = { .name = MODULE_NAME, .id_table = amd8111e_pci_tbl, diff --git a/drivers/net/ethernet/amd/nmclan_cs.c b/drivers/net/ethernet/amd/nmclan_cs.c index abf3b1581c82..27245efe9f50 100644 --- a/drivers/net/ethernet/amd/nmclan_cs.c +++ b/drivers/net/ethernet/amd/nmclan_cs.c @@ -621,7 +621,7 @@ static int nmclan_config(struct pcmcia_device *link) ret = pcmcia_request_io(link); if (ret) goto failed; - ret = pcmcia_request_exclusive_irq(link, mace_interrupt); + ret = pcmcia_request_irq(link, mace_interrupt); if (ret) goto failed; ret = pcmcia_enable_device(link); @@ -952,6 +952,8 @@ static irqreturn_t mace_interrupt(int irq, void *dev_id) do { /* WARNING: MACE_IR is a READ/CLEAR port! */ status = inb(ioaddr + AM2150_MACE_BASE + MACE_IR); + if (!(status & ~MACE_IMR_DEFAULT) && IntrCnt == MACE_MAX_IR_ITERATIONS) + return IRQ_NONE; pr_debug("mace_interrupt: irq 0x%X status 0x%X.\n", irq, status); diff --git a/drivers/net/ethernet/broadcom/b44.c b/drivers/net/ethernet/broadcom/b44.c index ca5a20a48b14..0a89c66c0264 100644 --- a/drivers/net/ethernet/broadcom/b44.c +++ b/drivers/net/ethernet/broadcom/b44.c @@ -2372,6 +2372,7 @@ static int b44_init_one(struct ssb_device *sdev, bp->msg_enable = netif_msg_init(b44_debug, B44_DEF_MSG_ENABLE); spin_lock_init(&bp->lock); + u64_stats_init(&bp->hw_stats.syncp); bp->rx_pending = B44_DEF_RX_RING_PENDING; bp->tx_pending = B44_DEF_TX_RING_PENDING; diff --git a/drivers/net/ethernet/broadcom/bcmsysport.c b/drivers/net/ethernet/broadcom/bcmsysport.c index 4d762138eb39..c2b5d3b74c5f 100644 --- a/drivers/net/ethernet/broadcom/bcmsysport.c +++ b/drivers/net/ethernet/broadcom/bcmsysport.c @@ -386,7 +386,7 @@ static void bcm_sysport_get_stats(struct net_device *dev, static void bcm_sysport_free_cb(struct bcm_sysport_cb *cb) { - dev_kfree_skb_any(cb->skb); + dev_consume_skb_any(cb->skb); cb->skb = NULL; dma_unmap_addr_set(cb, dma_addr, 0); } @@ -1024,6 +1024,8 @@ static int bcm_sysport_init_tx_ring(struct bcm_sysport_priv *priv, ring->cbs = kzalloc(sizeof(struct bcm_sysport_cb) * size, GFP_KERNEL); if (!ring->cbs) { + dma_free_coherent(kdev, sizeof(struct dma_desc), + ring->desc_cpu, ring->desc_dma); netif_err(priv, hw, priv->netdev, "CB allocation failed\n"); return -ENOMEM; } diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c index 18ef92e2d5dd..f22654e2060d 100644 --- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c +++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c @@ -900,12 +900,21 @@ static struct enet_cb *bcmgenet_get_txcb(struct bcmgenet_priv *priv, return tx_cb_ptr; } -/* Simple helper to free a control block's resources */ -static void bcmgenet_free_cb(struct enet_cb *cb) +static struct enet_cb *bcmgenet_put_txcb(struct bcmgenet_priv *priv, + struct bcmgenet_tx_ring *ring) { - dev_kfree_skb_any(cb->skb); - cb->skb = NULL; - dma_unmap_addr_set(cb, dma_addr, 0); + struct enet_cb *tx_cb_ptr; + + tx_cb_ptr = ring->cbs; + tx_cb_ptr += ring->write_ptr - ring->cb_ptr; + + /* Rewinding local write pointer */ + if (ring->write_ptr == ring->cb_ptr) + ring->write_ptr = ring->end_ptr; + else + ring->write_ptr--; + + return tx_cb_ptr; } static inline void bcmgenet_tx_ring16_int_disable(struct bcmgenet_priv *priv, @@ -940,69 +949,116 @@ static inline void bcmgenet_tx_ring_int_disable(struct bcmgenet_priv *priv, priv->int1_mask |= (1 << ring->index); } +/* Simple helper to free a transmit control block's resources + * Returns an skb when the last transmit control block associated with the + * skb is freed. The skb should be freed by the caller if necessary. + */ +static struct sk_buff *bcmgenet_free_tx_cb(struct device *dev, + struct enet_cb *cb) +{ + struct sk_buff *skb; + + skb = cb->skb; + + if (skb) { + cb->skb = NULL; + if (cb == GENET_CB(skb)->first_cb) + dma_unmap_single(dev, dma_unmap_addr(cb, dma_addr), + dma_unmap_len(cb, dma_len), + DMA_TO_DEVICE); + else + dma_unmap_page(dev, dma_unmap_addr(cb, dma_addr), + dma_unmap_len(cb, dma_len), + DMA_TO_DEVICE); + dma_unmap_addr_set(cb, dma_addr, 0); + + if (cb == GENET_CB(skb)->last_cb) + return skb; + + } else if (dma_unmap_addr(cb, dma_addr)) { + dma_unmap_page(dev, + dma_unmap_addr(cb, dma_addr), + dma_unmap_len(cb, dma_len), + DMA_TO_DEVICE); + dma_unmap_addr_set(cb, dma_addr, 0); + } + + return 0; +} + +/* Simple helper to free a receive control block's resources */ +static struct sk_buff *bcmgenet_free_rx_cb(struct device *dev, + struct enet_cb *cb) +{ + struct sk_buff *skb; + + skb = cb->skb; + cb->skb = NULL; + + if (dma_unmap_addr(cb, dma_addr)) { + dma_unmap_single(dev, dma_unmap_addr(cb, dma_addr), + dma_unmap_len(cb, dma_len), DMA_FROM_DEVICE); + dma_unmap_addr_set(cb, dma_addr, 0); + } + + return skb; +} + /* Unlocked version of the reclaim routine */ static void __bcmgenet_tx_reclaim(struct net_device *dev, struct bcmgenet_tx_ring *ring) { struct bcmgenet_priv *priv = netdev_priv(dev); - struct device *kdev = &priv->pdev->dev; - int last_tx_cn, last_c_index, num_tx_bds; - struct enet_cb *tx_cb_ptr; struct netdev_queue *txq; + unsigned int txbds_processed = 0; + unsigned int bytes_compl = 0; + unsigned int pkts_compl = 0; + unsigned int txbds_ready; unsigned int c_index; + struct sk_buff *skb; /* Compute how many buffers are transmited since last xmit call */ c_index = bcmgenet_tdma_ring_readl(priv, ring->index, TDMA_CONS_INDEX); - txq = netdev_get_tx_queue(dev, ring->queue); - - last_c_index = ring->c_index; - num_tx_bds = ring->size; - - c_index &= (num_tx_bds - 1); + c_index &= DMA_C_INDEX_MASK; - if (c_index >= last_c_index) - last_tx_cn = c_index - last_c_index; + if (likely(c_index >= ring->c_index)) + txbds_ready = c_index - ring->c_index; else - last_tx_cn = num_tx_bds - last_c_index + c_index; + txbds_ready = (DMA_C_INDEX_MASK + 1) - ring->c_index + c_index; netif_dbg(priv, tx_done, dev, - "%s ring=%d index=%d last_tx_cn=%d last_index=%d\n", - __func__, ring->index, - c_index, last_tx_cn, last_c_index); + "%s ring=%d old_c_index=%u c_index=%u txbds_ready=%u\n", + __func__, ring->index, ring->c_index, c_index, txbds_ready); /* Reclaim transmitted buffers */ - while (last_tx_cn-- > 0) { - tx_cb_ptr = ring->cbs + last_c_index; - if (tx_cb_ptr->skb) { - dev->stats.tx_bytes += tx_cb_ptr->skb->len; - dma_unmap_single(kdev, - dma_unmap_addr(tx_cb_ptr, dma_addr), - dma_unmap_len(tx_cb_ptr, dma_len), - DMA_TO_DEVICE); - bcmgenet_free_cb(tx_cb_ptr); - } else if (dma_unmap_addr(tx_cb_ptr, dma_addr)) { - dev->stats.tx_bytes += - dma_unmap_len(tx_cb_ptr, dma_len); - dma_unmap_page(kdev, - dma_unmap_addr(tx_cb_ptr, dma_addr), - dma_unmap_len(tx_cb_ptr, dma_len), - DMA_TO_DEVICE); - dma_unmap_addr_set(tx_cb_ptr, dma_addr, 0); + while (txbds_processed < txbds_ready) { + skb = bcmgenet_free_tx_cb(&priv->pdev->dev, + &priv->tx_cbs[ring->clean_ptr]); + if (skb) { + pkts_compl++; + bytes_compl += GENET_CB(skb)->bytes_sent; + dev_consume_skb_any(skb); } - dev->stats.tx_packets++; - ring->free_bds += 1; - last_c_index++; - last_c_index &= (num_tx_bds - 1); + txbds_processed++; + if (likely(ring->clean_ptr < ring->end_ptr)) + ring->clean_ptr++; + else + ring->clean_ptr = ring->cb_ptr; } + ring->free_bds += txbds_processed; + ring->c_index = (ring->c_index + txbds_processed) & DMA_C_INDEX_MASK; + + dev->stats.tx_packets += pkts_compl; + dev->stats.tx_bytes += bytes_compl; + if (ring->free_bds > (MAX_SKB_FRAGS + 1)) ring->int_disable(priv, ring); + txq = netdev_get_tx_queue(dev, ring->queue); if (netif_tx_queue_stopped(txq)) netif_tx_wake_queue(txq); - - ring->c_index = c_index; } static void bcmgenet_tx_reclaim(struct net_device *dev, @@ -1028,100 +1084,6 @@ static void bcmgenet_tx_reclaim_all(struct net_device *dev) bcmgenet_tx_reclaim(dev, &priv->tx_rings[DESC_INDEX]); } -/* Transmits a single SKB (either head of a fragment or a single SKB) - * caller must hold priv->lock - */ -static int bcmgenet_xmit_single(struct net_device *dev, - struct sk_buff *skb, - u16 dma_desc_flags, - struct bcmgenet_tx_ring *ring) -{ - struct bcmgenet_priv *priv = netdev_priv(dev); - struct device *kdev = &priv->pdev->dev; - struct enet_cb *tx_cb_ptr; - unsigned int skb_len; - dma_addr_t mapping; - u32 length_status; - int ret; - - tx_cb_ptr = bcmgenet_get_txcb(priv, ring); - - if (unlikely(!tx_cb_ptr)) - BUG(); - - tx_cb_ptr->skb = skb; - - skb_len = skb_headlen(skb); - - mapping = dma_map_single(kdev, skb->data, skb_len, DMA_TO_DEVICE); - ret = dma_mapping_error(kdev, mapping); - if (ret) { - netif_err(priv, tx_err, dev, "Tx DMA map failed\n"); - dev_kfree_skb(skb); - return ret; - } - - dma_unmap_addr_set(tx_cb_ptr, dma_addr, mapping); - dma_unmap_len_set(tx_cb_ptr, dma_len, skb_len); - length_status = (skb_len << DMA_BUFLENGTH_SHIFT) | dma_desc_flags | - (priv->hw_params->qtag_mask << DMA_TX_QTAG_SHIFT) | - DMA_TX_APPEND_CRC; - - if (skb->ip_summed == CHECKSUM_PARTIAL) - length_status |= DMA_TX_DO_CSUM; - - dmadesc_set(priv, tx_cb_ptr->bd_addr, mapping, length_status); - - /* Decrement total BD count and advance our write pointer */ - ring->free_bds -= 1; - ring->prod_index += 1; - ring->prod_index &= DMA_P_INDEX_MASK; - - return 0; -} - -/* Transmit a SKB fragement */ -static int bcmgenet_xmit_frag(struct net_device *dev, - skb_frag_t *frag, - u16 dma_desc_flags, - struct bcmgenet_tx_ring *ring) -{ - struct bcmgenet_priv *priv = netdev_priv(dev); - struct device *kdev = &priv->pdev->dev; - struct enet_cb *tx_cb_ptr; - dma_addr_t mapping; - int ret; - - tx_cb_ptr = bcmgenet_get_txcb(priv, ring); - - if (unlikely(!tx_cb_ptr)) - BUG(); - tx_cb_ptr->skb = NULL; - - mapping = skb_frag_dma_map(kdev, frag, 0, - skb_frag_size(frag), DMA_TO_DEVICE); - ret = dma_mapping_error(kdev, mapping); - if (ret) { - netif_err(priv, tx_err, dev, "%s: Tx DMA map failed\n", - __func__); - return ret; - } - - dma_unmap_addr_set(tx_cb_ptr, dma_addr, mapping); - dma_unmap_len_set(tx_cb_ptr, dma_len, frag->size); - - dmadesc_set(priv, tx_cb_ptr->bd_addr, mapping, - (frag->size << DMA_BUFLENGTH_SHIFT) | dma_desc_flags | - (priv->hw_params->qtag_mask << DMA_TX_QTAG_SHIFT)); - - - ring->free_bds -= 1; - ring->prod_index += 1; - ring->prod_index &= DMA_P_INDEX_MASK; - - return 0; -} - /* Reallocate the SKB to put enough headroom in front of it and insert * the transmit checksum offsets in the descriptors */ @@ -1187,11 +1149,16 @@ static int bcmgenet_put_tx_csum(struct net_device *dev, struct sk_buff *skb) static netdev_tx_t bcmgenet_xmit(struct sk_buff *skb, struct net_device *dev) { struct bcmgenet_priv *priv = netdev_priv(dev); + struct device *kdev = &priv->pdev->dev; struct bcmgenet_tx_ring *ring = NULL; + struct enet_cb *tx_cb_ptr; struct netdev_queue *txq; unsigned long flags = 0; int nr_frags, index; - u16 dma_desc_flags; + dma_addr_t mapping; + unsigned int size; + skb_frag_t *frag; + u32 len_stat; int ret; int i; @@ -1226,6 +1193,11 @@ static netdev_tx_t bcmgenet_xmit(struct sk_buff *skb, struct net_device *dev) goto out; } + /* Retain how many bytes will be sent on the wire, without TSB inserted + * by transmit checksum offload + */ + GENET_CB(skb)->bytes_sent = skb->len; + /* set the SKB transmit checksum */ if (priv->desc_64b_en) { ret = bcmgenet_put_tx_csum(dev, skb); @@ -1235,33 +1207,59 @@ static netdev_tx_t bcmgenet_xmit(struct sk_buff *skb, struct net_device *dev) } } - dma_desc_flags = DMA_SOP; - if (nr_frags == 0) - dma_desc_flags |= DMA_EOP; + for (i = 0; i <= nr_frags; i++) { + tx_cb_ptr = bcmgenet_get_txcb(priv, ring); - /* Transmit single SKB or head of fragment list */ - ret = bcmgenet_xmit_single(dev, skb, dma_desc_flags, ring); - if (ret) { - ret = NETDEV_TX_OK; - goto out; - } + if (unlikely(!tx_cb_ptr)) + BUG(); - /* xmit fragment */ - for (i = 0; i < nr_frags; i++) { - ret = bcmgenet_xmit_frag(dev, - &skb_shinfo(skb)->frags[i], - (i == nr_frags - 1) ? DMA_EOP : 0, ring); + if (!i) { + /* Transmit single SKB or head of fragment list */ + GENET_CB(skb)->first_cb = tx_cb_ptr; + size = skb_headlen(skb); + mapping = dma_map_single(kdev, skb->data, size, + DMA_TO_DEVICE); + } else { + /* xmit fragment */ + frag = &skb_shinfo(skb)->frags[i - 1]; + size = skb_frag_size(frag); + mapping = skb_frag_dma_map(kdev, frag, 0, size, + DMA_TO_DEVICE); + } + + ret = dma_mapping_error(kdev, mapping); if (ret) { + netif_err(priv, tx_err, dev, "Tx DMA map failed\n"); ret = NETDEV_TX_OK; - goto out; + goto out_unmap_frags; + } + dma_unmap_addr_set(tx_cb_ptr, dma_addr, mapping); + dma_unmap_len_set(tx_cb_ptr, dma_len, size); + + tx_cb_ptr->skb = skb; + + len_stat = (size << DMA_BUFLENGTH_SHIFT) | + (priv->hw_params->qtag_mask << DMA_TX_QTAG_SHIFT); + + if (!i) { + len_stat |= DMA_TX_APPEND_CRC | DMA_SOP; + if (skb->ip_summed == CHECKSUM_PARTIAL) + len_stat |= DMA_TX_DO_CSUM; } + if (i == nr_frags) + len_stat |= DMA_EOP; + + dmadesc_set(priv, tx_cb_ptr->bd_addr, mapping, len_stat); } + GENET_CB(skb)->last_cb = tx_cb_ptr; skb_tx_timestamp(skb); - /* we kept a software copy of how much we should advance the TDMA - * producer index, now write it down to the hardware - */ + /* Decrement total BD count and advance our write pointer */ + ring->free_bds -= nr_frags + 1; + ring->prod_index += nr_frags + 1; + ring->prod_index &= DMA_P_INDEX_MASK; + bcmgenet_tdma_ring_writel(priv, ring->index, ring->prod_index, TDMA_PROD_INDEX); @@ -1274,36 +1272,55 @@ static netdev_tx_t bcmgenet_xmit(struct sk_buff *skb, struct net_device *dev) spin_unlock_irqrestore(&ring->lock, flags); return ret; -} +out_unmap_frags: + /* Back up for failed control block mapping */ + bcmgenet_put_txcb(priv, ring); + + /* Unmap successfully mapped control blocks */ + while (i-- > 0) { + tx_cb_ptr = bcmgenet_put_txcb(priv, ring); + bcmgenet_free_tx_cb(kdev, tx_cb_ptr); + } -static int bcmgenet_rx_refill(struct bcmgenet_priv *priv, - struct enet_cb *cb) + dev_kfree_skb(skb); + goto out; +} + +static struct sk_buff *bcmgenet_rx_refill(struct bcmgenet_priv *priv, + struct enet_cb *cb) { struct device *kdev = &priv->pdev->dev; struct sk_buff *skb; + struct sk_buff *rx_skb; dma_addr_t mapping; - int ret; + /* Allocate a new Rx skb */ skb = netdev_alloc_skb(priv->dev, priv->rx_buf_len + SKB_ALIGNMENT); - if (!skb) - return -ENOMEM; + if (!skb) { + netif_err(priv, rx_err, priv->dev, + "%s: Rx skb allocation failed\n", __func__); + return NULL; + } - /* a caller did not release this control block */ - WARN_ON(cb->skb != NULL); - cb->skb = skb; - mapping = dma_map_single(kdev, skb->data, - priv->rx_buf_len, DMA_FROM_DEVICE); - ret = dma_mapping_error(kdev, mapping); - if (ret) { - bcmgenet_free_cb(cb); + /* DMA-map the new Rx skb */ + mapping = dma_map_single(kdev, skb->data, priv->rx_buf_len, + DMA_FROM_DEVICE); + if (dma_mapping_error(kdev, mapping)) { + dev_kfree_skb_any(skb); netif_err(priv, rx_err, priv->dev, - "%s DMA map failed\n", __func__); - return ret; + "%s: Rx skb DMA mapping failed\n", __func__); + return NULL; } + /* Grab the current Rx skb from the ring and DMA-unmap it */ + rx_skb = bcmgenet_free_rx_cb(kdev, cb); + + /* Put the new Rx skb on the ring */ + cb->skb = skb; dma_unmap_addr_set(cb, dma_addr, mapping); + dma_unmap_len_set(cb, dma_len, priv->rx_buf_len); /* assign packet, prepare descriptor, and advance pointer */ dmadesc_set_addr(priv, priv->rx_bd_assign_ptr, mapping); @@ -1315,7 +1332,8 @@ static int bcmgenet_rx_refill(struct bcmgenet_priv *priv, priv->rx_bd_assign_ptr = priv->rx_bds + (priv->rx_bd_assign_index * DMA_DESC_SIZE); - return 0; + /* Return the current Rx skb to caller */ + return rx_skb; } /* bcmgenet_desc_rx - descriptor based rx process. @@ -1330,7 +1348,7 @@ static unsigned int bcmgenet_desc_rx(struct bcmgenet_priv *priv, struct sk_buff *skb; u32 dma_length_status; unsigned long dma_flag; - int len, err; + int len; unsigned int rxpktprocessed = 0, rxpkttoprocess; unsigned int p_index; unsigned int chksum_ok = 0; @@ -1351,14 +1369,14 @@ static unsigned int bcmgenet_desc_rx(struct bcmgenet_priv *priv, while ((rxpktprocessed < rxpkttoprocess) && (rxpktprocessed < budget)) { - /* Unmap the packet contents such that we can use the - * RSV from the 64 bytes descriptor when enabled and save - * a 32-bits register read - */ cb = &priv->rx_cbs[priv->rx_read_ptr]; - skb = cb->skb; - dma_unmap_single(kdev, dma_unmap_addr(cb, dma_addr), - priv->rx_buf_len, DMA_FROM_DEVICE); + skb = bcmgenet_rx_refill(priv, cb); + + if (unlikely(!skb)) { + dev->stats.rx_dropped++; + dev->stats.rx_errors++; + goto next; + } if (!priv->desc_64b_en) { dma_length_status = dmadesc_get_length_status(priv, @@ -1382,27 +1400,15 @@ static unsigned int bcmgenet_desc_rx(struct bcmgenet_priv *priv, __func__, p_index, priv->rx_c_index, priv->rx_read_ptr, dma_length_status); - rxpktprocessed++; - - priv->rx_read_ptr++; - priv->rx_read_ptr &= (priv->num_rx_bds - 1); - - /* out of memory, just drop packets at the hardware level */ - if (unlikely(!skb)) { - dev->stats.rx_dropped++; - dev->stats.rx_errors++; - goto refill; - } - if (unlikely(!(dma_flag & DMA_EOP) || !(dma_flag & DMA_SOP))) { netif_err(priv, rx_status, dev, "Droping fragmented packet!\n"); dev->stats.rx_dropped++; dev->stats.rx_errors++; - dev_kfree_skb_any(cb->skb); - cb->skb = NULL; - goto refill; + dev_kfree_skb_any(skb); + goto next; } + /* report errors */ if (unlikely(dma_flag & (DMA_RX_CRC_ERROR | DMA_RX_OV | @@ -1421,11 +1427,8 @@ static unsigned int bcmgenet_desc_rx(struct bcmgenet_priv *priv, dev->stats.rx_length_errors++; dev->stats.rx_dropped++; dev->stats.rx_errors++; - - /* discard the packet and advance consumer index.*/ - dev_kfree_skb_any(cb->skb); - cb->skb = NULL; - goto refill; + dev_kfree_skb_any(skb); + goto next; } /* error packet */ chksum_ok = (dma_flag & priv->dma_rx_chk_bit) && @@ -1458,14 +1461,12 @@ static unsigned int bcmgenet_desc_rx(struct bcmgenet_priv *priv, /* Notify kernel */ napi_gro_receive(&priv->napi, skb); - cb->skb = NULL; netif_dbg(priv, rx_status, dev, "pushed up to kernel\n"); - /* refill RX path on the current control block */ -refill: - err = bcmgenet_rx_refill(priv, cb); - if (err) - netif_err(priv, rx_err, dev, "Rx refill failed\n"); +next: + rxpktprocessed++; + priv->rx_read_ptr++; + priv->rx_read_ptr &= (priv->num_rx_bds - 1); } return rxpktprocessed; @@ -1475,7 +1476,7 @@ static unsigned int bcmgenet_desc_rx(struct bcmgenet_priv *priv, static int bcmgenet_alloc_rx_buffers(struct bcmgenet_priv *priv) { struct enet_cb *cb; - int ret = 0; + struct sk_buff *skb; int i; netif_dbg(priv, hw, priv->dev, "%s:\n", __func__); @@ -1483,36 +1484,28 @@ static int bcmgenet_alloc_rx_buffers(struct bcmgenet_priv *priv) /* loop here for each buffer needing assign */ for (i = 0; i < priv->num_rx_bds; i++) { cb = &priv->rx_cbs[priv->rx_bd_assign_index]; - if (cb->skb) - continue; - - ret = bcmgenet_rx_refill(priv, cb); - if (ret) - break; - + skb = bcmgenet_rx_refill(priv, cb); + if (skb) + dev_consume_skb_any(skb); + if (!cb->skb) + return -ENOMEM; } - return ret; + return 0; } static void bcmgenet_free_rx_buffers(struct bcmgenet_priv *priv) { - struct device *kdev = &priv->pdev->dev; + struct sk_buff *skb; struct enet_cb *cb; int i; for (i = 0; i < priv->num_rx_bds; i++) { cb = &priv->rx_cbs[i]; - if (dma_unmap_addr(cb, dma_addr)) { - dma_unmap_single(kdev, - dma_unmap_addr(cb, dma_addr), - priv->rx_buf_len, DMA_FROM_DEVICE); - dma_unmap_addr_set(cb, dma_addr, 0); - } - - if (cb->skb) - bcmgenet_free_cb(cb); + skb = bcmgenet_free_rx_cb(&priv->pdev->dev, cb); + if (skb) + dev_consume_skb_any(skb); } } @@ -1640,6 +1633,7 @@ static void bcmgenet_init_tx_ring(struct bcmgenet_priv *priv, } ring->cbs = priv->tx_cbs + write_ptr; ring->size = size; + ring->clean_ptr = write_ptr; ring->c_index = 0; ring->free_bds = size; ring->write_ptr = write_ptr; @@ -1788,6 +1782,8 @@ static void bcmgenet_init_multiq(struct net_device *dev) static void bcmgenet_fini_dma(struct bcmgenet_priv *priv) { + struct sk_buff *skb; + struct enet_cb *cb; int i; /* disable DMA */ @@ -1795,10 +1791,10 @@ static void bcmgenet_fini_dma(struct bcmgenet_priv *priv) bcmgenet_tdma_writel(priv, 0, DMA_CTRL); for (i = 0; i < priv->num_tx_bds; i++) { - if (priv->tx_cbs[i].skb != NULL) { - dev_kfree_skb(priv->tx_cbs[i].skb); - priv->tx_cbs[i].skb = NULL; - } + cb = priv->tx_cbs + i; + skb = bcmgenet_free_tx_cb(&priv->pdev->dev, cb); + if (skb) + dev_kfree_skb(skb); } bcmgenet_free_rx_buffers(priv); diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.h b/drivers/net/ethernet/broadcom/genet/bcmgenet.h index 2317e3725859..2e1e2180690f 100644 --- a/drivers/net/ethernet/broadcom/genet/bcmgenet.h +++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.h @@ -504,12 +504,21 @@ struct bcmgenet_hw_params { u32 flags; }; +struct bcmgenet_skb_cb { + struct enet_cb *first_cb; /* First control block of SKB */ + struct enet_cb *last_cb; /* Last control block of SKB */ + unsigned int bytes_sent; /* bytes on the wire (no TSB) */ +}; + +#define GENET_CB(skb) ((struct bcmgenet_skb_cb *)((skb)->cb)) + struct bcmgenet_tx_ring { spinlock_t lock; /* ring lock */ unsigned int index; /* ring index */ unsigned int queue; /* queue index */ struct enet_cb *cbs; /* tx ring buffer control block*/ unsigned int size; /* size of each tx ring */ + unsigned int clean_ptr; /* Tx ring clean pointer */ unsigned int c_index; /* last consumer index of each ring*/ unsigned int free_bds; /* # of free bds for each ring */ unsigned int write_ptr; /* Tx ring write pointer SW copy */ diff --git a/drivers/net/ethernet/dec/tulip/tulip_core.c b/drivers/net/ethernet/dec/tulip/tulip_core.c index 861660841ce2..eab3142bd795 100644 --- a/drivers/net/ethernet/dec/tulip/tulip_core.c +++ b/drivers/net/ethernet/dec/tulip/tulip_core.c @@ -98,8 +98,7 @@ static int csr0 = 0x01A00000 | 0x4800; #elif defined(__mips__) static int csr0 = 0x00200000 | 0x4000; #else -#warning Processor architecture undefined! -static int csr0 = 0x00A00000 | 0x4800; +static int csr0; #endif /* Operational parameters that usually are not changed. */ @@ -1982,6 +1981,12 @@ static int __init tulip_init (void) pr_info("%s", version); #endif + if (!csr0) { + pr_warn("tulip: unknown CPU architecture, using default csr0\n"); + /* default to 8 longword cache line alignment */ + csr0 = 0x00A00000 | 0x4800; + } + /* copy module parms into globals */ tulip_rx_copybreak = rx_copybreak; tulip_max_interrupt_work = max_interrupt_work; diff --git a/drivers/net/ethernet/dec/tulip/uli526x.c b/drivers/net/ethernet/dec/tulip/uli526x.c index 80afec335a11..f6b8edf6516e 100644 --- a/drivers/net/ethernet/dec/tulip/uli526x.c +++ b/drivers/net/ethernet/dec/tulip/uli526x.c @@ -1115,7 +1115,7 @@ static void uli526x_timer(unsigned long data) netif_carrier_off(dev); } } - db->init=0; + db->init = 0; /* Timer active again */ db->timer.expires = ULI526X_TIMER_WUT; diff --git a/drivers/net/ethernet/dec/tulip/winbond-840.c b/drivers/net/ethernet/dec/tulip/winbond-840.c index 62fe512bb216..345f2fe8755c 100644 --- a/drivers/net/ethernet/dec/tulip/winbond-840.c +++ b/drivers/net/ethernet/dec/tulip/winbond-840.c @@ -907,7 +907,7 @@ static void init_registers(struct net_device *dev) #elif defined(CONFIG_SPARC) || defined (CONFIG_PARISC) i |= 0x4800; #else -#warning Processor architecture undefined + dev_warn(&dev->dev, "unknown CPU architecture, using default csr0 setting\n"); i |= 0x4800; #endif iowrite32(i, ioaddr + PCIBusCfg); diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c index 1e187fb760f8..7329ab75afb5 100644 --- a/drivers/net/ethernet/emulex/benet/be_main.c +++ b/drivers/net/ethernet/emulex/benet/be_main.c @@ -26,7 +26,6 @@ #include <net/vxlan.h> MODULE_VERSION(DRV_VER); -MODULE_DEVICE_TABLE(pci, be_dev_ids); MODULE_DESCRIPTION(DRV_DESC " " DRV_VER); MODULE_AUTHOR("Emulex Corporation"); MODULE_LICENSE("GPL"); diff --git a/drivers/net/ethernet/intel/e1000e/ich8lan.c b/drivers/net/ethernet/intel/e1000e/ich8lan.c index 060c5510b0c4..05e42d3d8a63 100644 --- a/drivers/net/ethernet/intel/e1000e/ich8lan.c +++ b/drivers/net/ethernet/intel/e1000e/ich8lan.c @@ -984,7 +984,7 @@ static s32 e1000_platform_pm_pch_lpt(struct e1000_hw *hw, bool link) u16 max_snoop, max_nosnoop; u16 max_ltr_enc; /* max LTR latency encoded */ s64 lat_ns; /* latency (ns) */ - s64 value; + u64 value; u32 rxa; if (!hw->adapter->max_frame_size) { @@ -1011,12 +1011,13 @@ static s32 e1000_platform_pm_pch_lpt(struct e1000_hw *hw, bool link) */ lat_ns = ((s64)rxa * 1024 - (2 * (s64)hw->adapter->max_frame_size)) * 8 * 1000; - if (lat_ns < 0) - lat_ns = 0; - else - do_div(lat_ns, speed); + if (lat_ns < 0) { + value = 0; + } else { + value = lat_ns; + do_div(value, speed); + } - value = lat_ns; while (value > PCI_LTR_VALUE_MASK) { scale++; value = DIV_ROUND_UP(value, (1 << 5)); diff --git a/drivers/net/ethernet/intel/i40e/i40e_debugfs.c b/drivers/net/ethernet/intel/i40e/i40e_debugfs.c index cffdfc21290f..decf6faaa89d 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_debugfs.c +++ b/drivers/net/ethernet/intel/i40e/i40e_debugfs.c @@ -754,7 +754,7 @@ static void i40e_dbg_dump_desc(int cnt, int vsi_seid, int ring_id, int desc_n, { struct i40e_tx_desc *txd; union i40e_rx_desc *rxd; - struct i40e_ring ring; + struct i40e_ring *ring; struct i40e_vsi *vsi; int i; @@ -773,29 +773,32 @@ static void i40e_dbg_dump_desc(int cnt, int vsi_seid, int ring_id, int desc_n, vsi_seid); return; } - if (is_rx_ring) - ring = *vsi->rx_rings[ring_id]; - else - ring = *vsi->tx_rings[ring_id]; + + ring = kmemdup(is_rx_ring + ? vsi->rx_rings[ring_id] : vsi->tx_rings[ring_id], + sizeof(*ring), GFP_KERNEL); + if (!ring) + return; + if (cnt == 2) { dev_info(&pf->pdev->dev, "vsi = %02i %s ring = %02i\n", vsi_seid, is_rx_ring ? "rx" : "tx", ring_id); - for (i = 0; i < ring.count; i++) { + for (i = 0; i < ring->count; i++) { if (!is_rx_ring) { - txd = I40E_TX_DESC(&ring, i); + txd = I40E_TX_DESC(ring, i); dev_info(&pf->pdev->dev, " d[%03i] = 0x%016llx 0x%016llx\n", i, txd->buffer_addr, txd->cmd_type_offset_bsz); } else if (sizeof(union i40e_rx_desc) == sizeof(union i40e_16byte_rx_desc)) { - rxd = I40E_RX_DESC(&ring, i); + rxd = I40E_RX_DESC(ring, i); dev_info(&pf->pdev->dev, " d[%03i] = 0x%016llx 0x%016llx\n", i, rxd->read.pkt_addr, rxd->read.hdr_addr); } else { - rxd = I40E_RX_DESC(&ring, i); + rxd = I40E_RX_DESC(ring, i); dev_info(&pf->pdev->dev, " d[%03i] = 0x%016llx 0x%016llx 0x%016llx 0x%016llx\n", i, rxd->read.pkt_addr, @@ -804,26 +807,26 @@ static void i40e_dbg_dump_desc(int cnt, int vsi_seid, int ring_id, int desc_n, } } } else if (cnt == 3) { - if (desc_n >= ring.count || desc_n < 0) { + if (desc_n >= ring->count || desc_n < 0) { dev_info(&pf->pdev->dev, "descriptor %d not found\n", desc_n); return; } if (!is_rx_ring) { - txd = I40E_TX_DESC(&ring, desc_n); + txd = I40E_TX_DESC(ring, desc_n); dev_info(&pf->pdev->dev, "vsi = %02i tx ring = %02i d[%03i] = 0x%016llx 0x%016llx\n", vsi_seid, ring_id, desc_n, txd->buffer_addr, txd->cmd_type_offset_bsz); } else if (sizeof(union i40e_rx_desc) == sizeof(union i40e_16byte_rx_desc)) { - rxd = I40E_RX_DESC(&ring, desc_n); + rxd = I40E_RX_DESC(ring, desc_n); dev_info(&pf->pdev->dev, "vsi = %02i rx ring = %02i d[%03i] = 0x%016llx 0x%016llx\n", vsi_seid, ring_id, desc_n, rxd->read.pkt_addr, rxd->read.hdr_addr); } else { - rxd = I40E_RX_DESC(&ring, desc_n); + rxd = I40E_RX_DESC(ring, desc_n); dev_info(&pf->pdev->dev, "vsi = %02i rx ring = %02i d[%03i] = 0x%016llx 0x%016llx 0x%016llx 0x%016llx\n", vsi_seid, ring_id, desc_n, @@ -833,6 +836,7 @@ static void i40e_dbg_dump_desc(int cnt, int vsi_seid, int ring_id, int desc_n, } else { dev_info(&pf->pdev->dev, "dump desc rx/tx <vsi_seid> <ring_id> [<desc_n>]\n"); } + kfree(ring); } /** diff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx.c b/drivers/net/ethernet/intel/i40e/i40e_txrx.c index e49f31dbd5d8..7b1be746dd30 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_txrx.c +++ b/drivers/net/ethernet/intel/i40e/i40e_txrx.c @@ -914,6 +914,8 @@ int i40e_setup_tx_descriptors(struct i40e_ring *tx_ring) if (!tx_ring->tx_bi) goto err; + u64_stats_init(&tx_ring->syncp); + /* round up to nearest 4K */ tx_ring->size = tx_ring->count * sizeof(struct i40e_tx_desc); /* add u32 for head writeback, align after this takes care of diff --git a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c index 75467f83772c..e626b73ca00e 100644 --- a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c +++ b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c @@ -2535,6 +2535,8 @@ int ixgbevf_setup_tx_resources(struct ixgbevf_ring *tx_ring) if (!tx_ring->tx_buffer_info) goto err; + u64_stats_init(&tx_ring->syncp); + /* round up to nearest 4K */ tx_ring->size = tx_ring->count * sizeof(union ixgbe_adv_tx_desc); tx_ring->size = ALIGN(tx_ring->size, 4096); @@ -2595,6 +2597,8 @@ int ixgbevf_setup_rx_resources(struct ixgbevf_ring *rx_ring) if (!rx_ring->rx_buffer_info) goto err; + u64_stats_init(&rx_ring->syncp); + /* Round up to nearest 4K */ rx_ring->size = rx_ring->count * sizeof(union ixgbe_adv_rx_desc); rx_ring->size = ALIGN(rx_ring->size, 4096); diff --git a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c index 68d763d2d030..f07b814d717c 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c @@ -142,6 +142,7 @@ static void mlx4_en_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) { struct mlx4_en_priv *priv = netdev_priv(netdev); + struct mlx4_caps *caps = &priv->mdev->dev->caps; int err = 0; u64 config = 0; u64 mask; @@ -154,24 +155,24 @@ static void mlx4_en_get_wol(struct net_device *netdev, mask = (priv->port == 1) ? MLX4_DEV_CAP_FLAG_WOL_PORT1 : MLX4_DEV_CAP_FLAG_WOL_PORT2; - if (!(priv->mdev->dev->caps.flags & mask)) { + if (!(caps->flags & mask)) { wol->supported = 0; wol->wolopts = 0; return; } + if (caps->wol_port[priv->port]) + wol->supported = WAKE_MAGIC; + else + wol->supported = 0; + err = mlx4_wol_read(priv->mdev->dev, &config, priv->port); if (err) { en_err(priv, "Failed to get WoL information\n"); return; } - if (config & MLX4_EN_WOL_MAGIC) - wol->supported = WAKE_MAGIC; - else - wol->supported = 0; - - if (config & MLX4_EN_WOL_ENABLED) + if ((config & MLX4_EN_WOL_ENABLED) && (config & MLX4_EN_WOL_MAGIC)) wol->wolopts = WAKE_MAGIC; else wol->wolopts = 0; diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c index 1006e770c109..e2bdd5626fe2 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c @@ -1535,17 +1535,13 @@ static int mlx4_en_init_affinity_hint(struct mlx4_en_priv *priv, int ring_idx) { struct mlx4_en_rx_ring *ring = priv->rx_ring[ring_idx]; int numa_node = priv->mdev->dev->numa_node; - int ret = 0; if (!zalloc_cpumask_var(&ring->affinity_mask, GFP_KERNEL)) return -ENOMEM; - ret = cpumask_set_cpu_local_first(ring_idx, numa_node, - ring->affinity_mask); - if (ret) - free_cpumask_var(ring->affinity_mask); - - return ret; + cpumask_set_cpu(cpumask_local_spread(ring_idx, numa_node), + ring->affinity_mask); + return 0; } static void mlx4_en_free_affinity_hint(struct mlx4_en_priv *priv, int ring_idx) diff --git a/drivers/net/ethernet/mellanox/mlx4/en_tx.c b/drivers/net/ethernet/mellanox/mlx4/en_tx.c index c5be6d890e94..a3d86e31f34c 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_tx.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_tx.c @@ -133,9 +133,9 @@ int mlx4_en_create_tx_ring(struct mlx4_en_priv *priv, ring->queue_index = queue_index; if (queue_index < priv->num_tx_rings_p_up) - cpumask_set_cpu_local_first(queue_index, - priv->mdev->dev->numa_node, - &ring->affinity_mask); + cpumask_set_cpu(cpumask_local_spread(queue_index, + priv->mdev->dev->numa_node), + &ring->affinity_mask); *pring = ring; return 0; diff --git a/drivers/net/ethernet/mellanox/mlx4/fw.c b/drivers/net/ethernet/mellanox/mlx4/fw.c index 688e1eabab29..781e590efe8e 100644 --- a/drivers/net/ethernet/mellanox/mlx4/fw.c +++ b/drivers/net/ethernet/mellanox/mlx4/fw.c @@ -532,6 +532,7 @@ int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap) #define QUERY_DEV_CAP_CQ_TS_SUPPORT_OFFSET 0x3e #define QUERY_DEV_CAP_MAX_PKEY_OFFSET 0x3f #define QUERY_DEV_CAP_EXT_FLAGS_OFFSET 0x40 +#define QUERY_DEV_CAP_WOL_OFFSET 0x43 #define QUERY_DEV_CAP_FLAGS_OFFSET 0x44 #define QUERY_DEV_CAP_RSVD_UAR_OFFSET 0x48 #define QUERY_DEV_CAP_UAR_SZ_OFFSET 0x49 @@ -658,6 +659,9 @@ int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap) MLX4_GET(ext_flags, outbox, QUERY_DEV_CAP_EXT_FLAGS_OFFSET); MLX4_GET(flags, outbox, QUERY_DEV_CAP_FLAGS_OFFSET); dev_cap->flags = flags | (u64)ext_flags << 32; + MLX4_GET(field, outbox, QUERY_DEV_CAP_WOL_OFFSET); + dev_cap->wol_port[1] = !!(field & 0x20); + dev_cap->wol_port[2] = !!(field & 0x40); MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_UAR_OFFSET); dev_cap->reserved_uars = field >> 4; MLX4_GET(field, outbox, QUERY_DEV_CAP_UAR_SZ_OFFSET); diff --git a/drivers/net/ethernet/mellanox/mlx4/fw.h b/drivers/net/ethernet/mellanox/mlx4/fw.h index 1fce03ebe5c4..d60c64bda8c2 100644 --- a/drivers/net/ethernet/mellanox/mlx4/fw.h +++ b/drivers/net/ethernet/mellanox/mlx4/fw.h @@ -120,6 +120,7 @@ struct mlx4_dev_cap { u8 log_max_macs[MLX4_MAX_PORTS + 1]; u8 log_max_vlans[MLX4_MAX_PORTS + 1]; u32 max_counters; + bool wol_port[MLX4_MAX_PORTS + 1]; }; struct mlx4_func_cap { diff --git a/drivers/net/ethernet/mellanox/mlx4/main.c b/drivers/net/ethernet/mellanox/mlx4/main.c index c1c21231f444..0996af50ad5b 100644 --- a/drivers/net/ethernet/mellanox/mlx4/main.c +++ b/drivers/net/ethernet/mellanox/mlx4/main.c @@ -279,6 +279,8 @@ static int mlx4_dev_cap(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap) dev->caps.stat_rate_support = dev_cap->stat_rate_support; dev->caps.max_gso_sz = dev_cap->max_gso_sz; dev->caps.max_rss_tbl_sz = dev_cap->max_rss_tbl_sz; + dev->caps.wol_port[1] = dev_cap->wol_port[1]; + dev->caps.wol_port[2] = dev_cap->wol_port[2]; /* Sense port always allowed on supported devices for ConnectX-1 and -2 */ if (mlx4_priv(dev)->pci_dev_data & MLX4_PCI_DEV_FORCE_SENSE_PORT) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c index 3ee3dcedf74a..30fc1de78c0e 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c @@ -547,6 +547,10 @@ static void cb_timeout_handler(struct work_struct *work) mlx5_cmd_comp_handler(dev, 1UL << ent->idx); } +static void free_msg(struct mlx5_core_dev *dev, struct mlx5_cmd_msg *msg); +static void mlx5_free_cmd_msg(struct mlx5_core_dev *dev, + struct mlx5_cmd_msg *msg); + static void cmd_work_handler(struct work_struct *work) { struct mlx5_cmd_work_ent *ent = container_of(work, struct mlx5_cmd_work_ent, work); @@ -555,16 +559,27 @@ static void cmd_work_handler(struct work_struct *work) unsigned long cb_timeout = msecs_to_jiffies(MLX5_CMD_TIMEOUT_MSEC); struct mlx5_cmd_layout *lay; struct semaphore *sem; + int alloc_ret; sem = ent->page_queue ? &cmd->pages_sem : &cmd->sem; down(sem); if (!ent->page_queue) { - ent->idx = alloc_ent(cmd); - if (ent->idx < 0) { + alloc_ret = alloc_ent(cmd); + if (alloc_ret < 0) { mlx5_core_err(dev, "failed to allocate command entry\n"); + if (ent->callback) { + ent->callback(-EAGAIN, ent->context); + mlx5_free_cmd_msg(dev, ent->out); + free_msg(dev, ent->in); + free_cmd(ent); + } else { + ent->ret = -EAGAIN; + complete(&ent->done); + } up(sem); return; } + ent->idx = alloc_ret; } else { ent->idx = cmd->max_reg_cmds; } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/debugfs.c b/drivers/net/ethernet/mellanox/mlx5/core/debugfs.c index 10e1f1a18255..4878025e231c 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/debugfs.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/debugfs.c @@ -300,11 +300,11 @@ static u64 qp_read_field(struct mlx5_core_dev *dev, struct mlx5_core_qp *qp, param = qp->pid; break; case QP_STATE: - param = (u64)mlx5_qp_state_str(be32_to_cpu(ctx->flags) >> 28); + param = (unsigned long)mlx5_qp_state_str(be32_to_cpu(ctx->flags) >> 28); *is_str = 1; break; case QP_XPORT: - param = (u64)mlx5_qp_type_str((be32_to_cpu(ctx->flags) >> 16) & 0xff); + param = (unsigned long)mlx5_qp_type_str((be32_to_cpu(ctx->flags) >> 16) & 0xff); *is_str = 1; break; case QP_MTU: @@ -464,7 +464,7 @@ static ssize_t dbg_read(struct file *filp, char __user *buf, size_t count, if (is_str) - ret = snprintf(tbuf, sizeof(tbuf), "%s\n", (const char *)field); + ret = snprintf(tbuf, sizeof(tbuf), "%s\n", (const char *)(unsigned long)field); else ret = snprintf(tbuf, sizeof(tbuf), "0x%llx\n", field); diff --git a/drivers/net/ethernet/neterion/vxge/vxge-main.c b/drivers/net/ethernet/neterion/vxge/vxge-main.c index 7a0deadd53bf..75682df75c89 100644 --- a/drivers/net/ethernet/neterion/vxge/vxge-main.c +++ b/drivers/net/ethernet/neterion/vxge/vxge-main.c @@ -2224,8 +2224,6 @@ static irqreturn_t vxge_isr_napi(int irq, void *dev_id) return IRQ_NONE; } -#ifdef CONFIG_PCI_MSI - static irqreturn_t vxge_tx_msix_handle(int irq, void *dev_id) { struct vxge_fifo *fifo = (struct vxge_fifo *)dev_id; @@ -2443,16 +2441,13 @@ static void vxge_rem_msix_isr(struct vxgedev *vdev) if (vdev->config.intr_type == MSI_X) pci_disable_msix(vdev->pdev); } -#endif static void vxge_rem_isr(struct vxgedev *vdev) { -#ifdef CONFIG_PCI_MSI - if (vdev->config.intr_type == MSI_X) { + if (IS_ENABLED(CONFIG_PCI_MSI) && + vdev->config.intr_type == MSI_X) { vxge_rem_msix_isr(vdev); - } else -#endif - if (vdev->config.intr_type == INTA) { + } else if (vdev->config.intr_type == INTA) { synchronize_irq(vdev->pdev->irq); free_irq(vdev->pdev->irq, vdev); } @@ -2461,11 +2456,10 @@ static void vxge_rem_isr(struct vxgedev *vdev) static int vxge_add_isr(struct vxgedev *vdev) { int ret = 0; -#ifdef CONFIG_PCI_MSI int vp_idx = 0, intr_idx = 0, intr_cnt = 0, msix_idx = 0, irq_req = 0; int pci_fun = PCI_FUNC(vdev->pdev->devfn); - if (vdev->config.intr_type == MSI_X) + if (IS_ENABLED(CONFIG_PCI_MSI) && vdev->config.intr_type == MSI_X) ret = vxge_enable_msix(vdev); if (ret) { @@ -2476,7 +2470,7 @@ static int vxge_add_isr(struct vxgedev *vdev) vdev->config.intr_type = INTA; } - if (vdev->config.intr_type == MSI_X) { + if (IS_ENABLED(CONFIG_PCI_MSI) && vdev->config.intr_type == MSI_X) { for (intr_idx = 0; intr_idx < (vdev->no_of_vpath * VXGE_HW_VPATH_MSIX_ACTIVE); intr_idx++) { @@ -2577,9 +2571,8 @@ static int vxge_add_isr(struct vxgedev *vdev) vdev->vxge_entries[intr_cnt].in_use = 1; vdev->vxge_entries[intr_cnt].arg = &vdev->vpaths[0]; } -INTA_MODE: -#endif +INTA_MODE: if (vdev->config.intr_type == INTA) { snprintf(vdev->desc[0], VXGE_INTR_STRLEN, "%s:vxge:INTA", vdev->ndev->name); @@ -3890,12 +3883,12 @@ static void vxge_device_config_init(struct vxge_hw_device_config *device_config, if (max_mac_vpath > VXGE_MAX_MAC_ADDR_COUNT) max_mac_vpath = VXGE_MAX_MAC_ADDR_COUNT; -#ifndef CONFIG_PCI_MSI - vxge_debug_init(VXGE_ERR, - "%s: This Kernel does not support " - "MSI-X. Defaulting to INTA", VXGE_DRIVER_NAME); - *intr_type = INTA; -#endif + if (!IS_ENABLED(CONFIG_PCI_MSI)) { + vxge_debug_init(VXGE_ERR, + "%s: This Kernel does not support " + "MSI-X. Defaulting to INTA", VXGE_DRIVER_NAME); + *intr_type = INTA; + } /* Configure whether MSI-X or IRQL. */ switch (*intr_type) { diff --git a/drivers/net/ethernet/qlogic/netxen/netxen_nic_hw.c b/drivers/net/ethernet/qlogic/netxen/netxen_nic_hw.c index db4280ce9c09..6adcd25e17df 100644 --- a/drivers/net/ethernet/qlogic/netxen/netxen_nic_hw.c +++ b/drivers/net/ethernet/qlogic/netxen/netxen_nic_hw.c @@ -2332,7 +2332,7 @@ netxen_md_rdqueue(struct netxen_adapter *adapter, loop_cnt++) { NX_WR_DUMP_REG(select_addr, adapter->ahw.pci_base0, queue_id); read_addr = queueEntry->read_addr; - for (k = 0; k < read_cnt; k--) { + for (k = 0; k < read_cnt; k++) { NX_RD_DUMP_REG(read_addr, adapter->ahw.pci_base0, &read_value); *data_buff++ = read_value; diff --git a/drivers/net/ethernet/qlogic/qlge/qlge_dbg.c b/drivers/net/ethernet/qlogic/qlge/qlge_dbg.c index 829be21f97b2..be258d90de9e 100644 --- a/drivers/net/ethernet/qlogic/qlge/qlge_dbg.c +++ b/drivers/net/ethernet/qlogic/qlge/qlge_dbg.c @@ -724,7 +724,7 @@ static void ql_build_coredump_seg_header( seg_hdr->cookie = MPI_COREDUMP_COOKIE; seg_hdr->segNum = seg_number; seg_hdr->segSize = seg_size; - memcpy(seg_hdr->description, desc, (sizeof(seg_hdr->description)) - 1); + strncpy(seg_hdr->description, desc, (sizeof(seg_hdr->description)) - 1); } /* diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c index 61623e9af574..b1f22e199c3e 100644 --- a/drivers/net/ethernet/realtek/r8169.c +++ b/drivers/net/ethernet/realtek/r8169.c @@ -5860,8 +5860,7 @@ static void rtl8169_tx_clear_range(struct rtl8169_private *tp, u32 start, rtl8169_unmap_tx_skb(&tp->pci_dev->dev, tx_skb, tp->TxDescArray + entry); if (skb) { - tp->dev->stats.tx_dropped++; - dev_kfree_skb_any(skb); + dev_consume_skb_any(skb); tx_skb->skb = NULL; } } @@ -6169,7 +6168,7 @@ static void rtl_tx(struct net_device *dev, struct rtl8169_private *tp) tp->tx_stats.packets++; tp->tx_stats.bytes += tx_skb->skb->len; u64_stats_update_end(&tp->tx_stats.syncp); - dev_kfree_skb_any(tx_skb->skb); + dev_consume_skb_any(tx_skb->skb); tx_skb->skb = NULL; } dirty_tx++; diff --git a/drivers/net/ethernet/ti/cpmac.c b/drivers/net/ethernet/ti/cpmac.c index 7399a52f7c26..755ddd586189 100644 --- a/drivers/net/ethernet/ti/cpmac.c +++ b/drivers/net/ethernet/ti/cpmac.c @@ -543,7 +543,8 @@ static int cpmac_poll(struct napi_struct *napi, int budget) static int cpmac_start_xmit(struct sk_buff *skb, struct net_device *dev) { - int queue, len; + int queue; + unsigned int len; struct cpmac_desc *desc; struct cpmac_priv *priv = netdev_priv(dev); @@ -553,7 +554,7 @@ static int cpmac_start_xmit(struct sk_buff *skb, struct net_device *dev) if (unlikely(skb_padto(skb, ETH_ZLEN))) return NETDEV_TX_OK; - len = max(skb->len, ETH_ZLEN); + len = max_t(unsigned int, skb->len, ETH_ZLEN); queue = skb_get_queue_mapping(skb); netif_stop_subqueue(dev, queue); @@ -1226,7 +1227,7 @@ int cpmac_init(void) goto fail_alloc; } -#warning FIXME: unhardcode gpio&reset bits + /* FIXME: unhardcode gpio&reset bits */ ar7_gpio_disable(26); ar7_gpio_disable(27); ar7_device_reset(AR7_RESET_BIT_CPMAC_LO); diff --git a/drivers/net/ethernet/xilinx/ll_temac_main.c b/drivers/net/ethernet/xilinx/ll_temac_main.c index 4ef818a7a6c6..8a6e5c2d6f95 100644 --- a/drivers/net/ethernet/xilinx/ll_temac_main.c +++ b/drivers/net/ethernet/xilinx/ll_temac_main.c @@ -72,7 +72,7 @@ void temac_iow(struct temac_local *lp, int offset, u32 value) int temac_indirect_busywait(struct temac_local *lp) { - long end = jiffies + 2; + unsigned long end = jiffies + 2; while (!(temac_ior(lp, XTE_RDY0_OFFSET) & XTE_RDY0_HARD_ACS_RDY_MASK)) { if (time_before_eq(end, jiffies)) { diff --git a/drivers/net/ethernet/xilinx/xilinx_axienet_mdio.c b/drivers/net/ethernet/xilinx/xilinx_axienet_mdio.c index d4abf478e2bb..3b67d60d4378 100644 --- a/drivers/net/ethernet/xilinx/xilinx_axienet_mdio.c +++ b/drivers/net/ethernet/xilinx/xilinx_axienet_mdio.c @@ -19,7 +19,7 @@ /* Wait till MDIO interface is ready to accept a new transaction.*/ int axienet_mdio_wait_until_ready(struct axienet_local *lp) { - long end = jiffies + 2; + unsigned long end = jiffies + 2; while (!(axienet_ior(lp, XAE_MDIO_MCR_OFFSET) & XAE_MDIO_MCR_READY_MASK)) { if (time_before_eq(end, jiffies)) { diff --git a/drivers/net/ethernet/xilinx/xilinx_emaclite.c b/drivers/net/ethernet/xilinx/xilinx_emaclite.c index 06b5e4132040..af36c7b560df 100644 --- a/drivers/net/ethernet/xilinx/xilinx_emaclite.c +++ b/drivers/net/ethernet/xilinx/xilinx_emaclite.c @@ -707,7 +707,7 @@ static irqreturn_t xemaclite_interrupt(int irq, void *dev_id) static int xemaclite_mdio_wait(struct net_local *lp) { - long end = jiffies + 2; + unsigned long end = jiffies + 2; /* wait for the MDIO interface to not be busy or timeout after some time. diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c index ff0e464441d0..ae86b89c9ca4 100644 --- a/drivers/net/hyperv/netvsc_drv.c +++ b/drivers/net/hyperv/netvsc_drv.c @@ -777,9 +777,14 @@ static void netvsc_link_change(struct work_struct *w) struct rndis_device *rdev; bool notify; - rtnl_lock(); - ndev_ctx = container_of(w, struct net_device_context, dwork.work); + + /* if changes are happening, comeback later */ + if (!rtnl_trylock()) { + schedule_delayed_work(&ndev_ctx->dwork, 2 * HZ); + return; + } + net_device = hv_get_drvdata(ndev_ctx->device_ctx); rdev = net_device->extension; net = net_device->ndev; diff --git a/drivers/net/wireless/brcm80211/brcmfmac/fwsignal.c b/drivers/net/wireless/brcm80211/brcmfmac/fwsignal.c index 699908de314a..c9b0586d7b58 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/fwsignal.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/fwsignal.c @@ -607,7 +607,7 @@ static int brcmf_fws_hanger_pushpkt(struct brcmf_fws_hanger *h, return 0; } -static int brcmf_fws_hanger_poppkt(struct brcmf_fws_hanger *h, +static inline int brcmf_fws_hanger_poppkt(struct brcmf_fws_hanger *h, u32 slot_id, struct sk_buff **pktout, bool remove_item) { diff --git a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c index 1d6ff00a4194..26c5f3bdf2c5 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c @@ -2692,6 +2692,7 @@ brcmf_cfg80211_escan_handler(struct brcmf_if *ifp, s32 status; s32 err = 0; struct brcmf_escan_result_le *escan_result_le; + u32 escan_buflen; struct brcmf_bss_info_le *bss_info_le; struct brcmf_bss_info_le *bss = NULL; u32 bi_length; @@ -2708,11 +2709,23 @@ brcmf_cfg80211_escan_handler(struct brcmf_if *ifp, if (status == BRCMF_E_STATUS_PARTIAL) { brcmf_dbg(SCAN, "ESCAN Partial result\n"); + if (e->datalen < sizeof(*escan_result_le)) { + brcmf_err("invalid event data length\n"); + goto exit; + } escan_result_le = (struct brcmf_escan_result_le *) data; if (!escan_result_le) { brcmf_err("Invalid escan result (NULL pointer)\n"); goto exit; } + escan_buflen = le32_to_cpu(escan_result_le->buflen); + if (escan_buflen > WL_ESCAN_BUF_SIZE || + escan_buflen > e->datalen || + escan_buflen < sizeof(*escan_result_le)) { + brcmf_err("Invalid escan buffer length: %d\n", + escan_buflen); + goto exit; + } if (le16_to_cpu(escan_result_le->bss_count) != 1) { brcmf_err("Invalid bss_count %d: ignoring\n", escan_result_le->bss_count); @@ -2729,9 +2742,8 @@ brcmf_cfg80211_escan_handler(struct brcmf_if *ifp, } bi_length = le32_to_cpu(bss_info_le->length); - if (bi_length != (le32_to_cpu(escan_result_le->buflen) - - WL_ESCAN_RESULTS_FIXED_SIZE)) { - brcmf_err("Invalid bss_info length %d: ignoring\n", + if (bi_length != escan_buflen - WL_ESCAN_RESULTS_FIXED_SIZE) { + brcmf_err("Ignoring invalid bss_info length: %d\n", bi_length); goto exit; } diff --git a/drivers/net/wireless/hostap/hostap_hw.c b/drivers/net/wireless/hostap/hostap_hw.c index 6df3ee561d52..515aa3f993f3 100644 --- a/drivers/net/wireless/hostap/hostap_hw.c +++ b/drivers/net/wireless/hostap/hostap_hw.c @@ -836,25 +836,30 @@ static int hfa384x_get_rid(struct net_device *dev, u16 rid, void *buf, int len, spin_lock_bh(&local->baplock); res = hfa384x_setup_bap(dev, BAP0, rid, 0); - if (!res) - res = hfa384x_from_bap(dev, BAP0, &rec, sizeof(rec)); + if (res) + goto unlock; + + res = hfa384x_from_bap(dev, BAP0, &rec, sizeof(rec)); + if (res) + goto unlock; if (le16_to_cpu(rec.len) == 0) { /* RID not available */ res = -ENODATA; + goto unlock; } rlen = (le16_to_cpu(rec.len) - 1) * 2; - if (!res && exact_len && rlen != len) { + if (exact_len && rlen != len) { printk(KERN_DEBUG "%s: hfa384x_get_rid - RID len mismatch: " "rid=0x%04x, len=%d (expected %d)\n", dev->name, rid, rlen, len); res = -ENODATA; } - if (!res) - res = hfa384x_from_bap(dev, BAP0, buf, len); + res = hfa384x_from_bap(dev, BAP0, buf, len); +unlock: spin_unlock_bh(&local->baplock); mutex_unlock(&local->rid_bap_mtx); diff --git a/drivers/net/wireless/iwlegacy/3945.c b/drivers/net/wireless/iwlegacy/3945.c index b598e2803500..fbfd77440049 100644 --- a/drivers/net/wireless/iwlegacy/3945.c +++ b/drivers/net/wireless/iwlegacy/3945.c @@ -1019,12 +1019,13 @@ il3945_hw_txq_ctx_free(struct il_priv *il) int txq_id; /* Tx queues */ - if (il->txq) + if (il->txq) { for (txq_id = 0; txq_id < il->hw_params.max_txq_num; txq_id++) if (txq_id == IL39_CMD_QUEUE_NUM) il_cmd_queue_free(il); else il_tx_queue_free(il, txq_id); + } /* free tx queue structure */ il_free_txq_mem(il); diff --git a/drivers/net/wireless/iwlwifi/dvm/tx.c b/drivers/net/wireless/iwlwifi/dvm/tx.c index 3255a1723d17..d079b9a4c30c 100644 --- a/drivers/net/wireless/iwlwifi/dvm/tx.c +++ b/drivers/net/wireless/iwlwifi/dvm/tx.c @@ -1190,11 +1190,11 @@ int iwlagn_rx_reply_tx(struct iwl_priv *priv, struct iwl_rx_cmd_buffer *rxb, next_reclaimed; IWL_DEBUG_TX_REPLY(priv, "Next reclaimed packet:%d\n", next_reclaimed); + iwlagn_check_ratid_empty(priv, sta_id, tid); } iwl_trans_reclaim(priv->trans, txq_id, ssn, &skbs); - iwlagn_check_ratid_empty(priv, sta_id, tid); freed = 0; /* process frames */ diff --git a/drivers/net/wireless/iwlwifi/mvm/sta.c b/drivers/net/wireless/iwlwifi/mvm/sta.c index 1fb01ea2e704..28b783ab04c9 100644 --- a/drivers/net/wireless/iwlwifi/mvm/sta.c +++ b/drivers/net/wireless/iwlwifi/mvm/sta.c @@ -114,7 +114,8 @@ int iwl_mvm_sta_send_to_fw(struct iwl_mvm *mvm, struct ieee80211_sta *sta, add_sta_cmd.add_modify = update ? 1 : 0; add_sta_cmd.station_flags_msk |= cpu_to_le32(STA_FLG_FAT_EN_MSK | - STA_FLG_MIMO_EN_MSK); + STA_FLG_MIMO_EN_MSK | + STA_FLG_RTS_MIMO_PROT); switch (sta->bandwidth) { case IEEE80211_STA_RX_BW_160: diff --git a/drivers/net/wireless/ti/wl1251/main.c b/drivers/net/wireless/ti/wl1251/main.c index 4e782f18ae34..293b4e3b6d02 100644 --- a/drivers/net/wireless/ti/wl1251/main.c +++ b/drivers/net/wireless/ti/wl1251/main.c @@ -1571,6 +1571,7 @@ struct ieee80211_hw *wl1251_alloc_hw(void) wl->state = WL1251_STATE_OFF; mutex_init(&wl->mutex); + spin_lock_init(&wl->wl_lock); wl->tx_mgmt_frm_rate = DEFAULT_HW_GEN_TX_RATE; wl->tx_mgmt_frm_mod = DEFAULT_HW_GEN_MODULATION_TYPE; diff --git a/drivers/of/device.c b/drivers/of/device.c index dafb9736ab9b..f659da36cdda 100644 --- a/drivers/of/device.c +++ b/drivers/of/device.c @@ -128,6 +128,7 @@ ssize_t of_device_get_modalias(struct device *dev, char *str, ssize_t len) return tsize; } +EXPORT_SYMBOL_GPL(of_device_get_modalias); /** * of_device_uevent - Display OF related uevent information @@ -190,3 +191,4 @@ int of_device_uevent_modalias(struct device *dev, struct kobj_uevent_env *env) return 0; } +EXPORT_SYMBOL_GPL(of_device_uevent_modalias); diff --git a/drivers/parisc/dino.c b/drivers/parisc/dino.c index cf77ab14b681..1a5d765b6af6 100644 --- a/drivers/parisc/dino.c +++ b/drivers/parisc/dino.c @@ -954,7 +954,7 @@ static int __init dino_probe(struct parisc_device *dev) dino_dev->hba.dev = dev; dino_dev->hba.base_addr = ioremap_nocache(hpa, 4096); - dino_dev->hba.lmmio_space_offset = 0; /* CPU addrs == bus addrs */ + dino_dev->hba.lmmio_space_offset = PCI_F_EXTEND; spin_lock_init(&dino_dev->dinosaur_pen); dino_dev->hba.iommu = ccio_get_iommu(dev); diff --git a/drivers/pinctrl/sunxi/pinctrl-sun4i-a10.c b/drivers/pinctrl/sunxi/pinctrl-sun4i-a10.c index fa1ff7c7e357..ee6afe52a7d1 100644 --- a/drivers/pinctrl/sunxi/pinctrl-sun4i-a10.c +++ b/drivers/pinctrl/sunxi/pinctrl-sun4i-a10.c @@ -800,6 +800,7 @@ static const struct sunxi_desc_pin sun4i_a10_pins[] = { SUNXI_FUNCTION(0x2, "lcd1"), /* D16 */ SUNXI_FUNCTION(0x3, "pata"), /* ATAD12 */ SUNXI_FUNCTION(0x4, "keypad"), /* IN6 */ + SUNXI_FUNCTION(0x5, "sim"), /* DET */ SUNXI_FUNCTION_IRQ(0x6, 16), /* EINT16 */ SUNXI_FUNCTION(0x7, "csi1")), /* D16 */ SUNXI_PIN(SUNXI_PINCTRL_PIN(H, 17), diff --git a/drivers/platform/x86/samsung-laptop.c b/drivers/platform/x86/samsung-laptop.c index ce364a41842a..6c7057aab262 100644 --- a/drivers/platform/x86/samsung-laptop.c +++ b/drivers/platform/x86/samsung-laptop.c @@ -1347,9 +1347,9 @@ static int __init samsung_sabi_init(struct samsung_laptop *samsung) const struct sabi_config *config = NULL; const struct sabi_commands *commands; unsigned int ifaceP; + int loca = 0xffff; int ret = 0; int i; - int loca; samsung->f0000_segment = ioremap_nocache(0xf0000, 0xffff); if (!samsung->f0000_segment) { diff --git a/drivers/power/reset/xgene-reboot.c b/drivers/power/reset/xgene-reboot.c index ecd55f81b9d1..6b49be6867ab 100644 --- a/drivers/power/reset/xgene-reboot.c +++ b/drivers/power/reset/xgene-reboot.c @@ -40,7 +40,7 @@ struct xgene_reboot_context { static struct xgene_reboot_context *xgene_restart_ctx; -static void xgene_restart(char str, const char *cmd) +static void xgene_restart(enum reboot_mode mode, const char *cmd) { struct xgene_reboot_context *ctx = xgene_restart_ctx; unsigned long timeout; diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c index 8de493a18d9e..3beb591b8ad8 100644 --- a/drivers/s390/net/qeth_l3_main.c +++ b/drivers/s390/net/qeth_l3_main.c @@ -2816,7 +2816,7 @@ static void qeth_l3_fill_header(struct qeth_card *card, struct qeth_hdr *hdr, struct rtable *rt = (struct rtable *) dst; __be32 *pkey = &ip_hdr(skb)->daddr; - if (rt->rt_gateway) + if (rt && rt->rt_gateway) pkey = &rt->rt_gateway; /* IPv4 */ @@ -2827,7 +2827,7 @@ static void qeth_l3_fill_header(struct qeth_card *card, struct qeth_hdr *hdr, struct rt6_info *rt = (struct rt6_info *) dst; struct in6_addr *pkey = &ipv6_hdr(skb)->daddr; - if (!ipv6_addr_any(&rt->rt6i_gateway)) + if (rt && !ipv6_addr_any(&rt->rt6i_gateway)) pkey = &rt->rt6i_gateway; /* IPv6 */ diff --git a/drivers/scsi/advansys.c b/drivers/scsi/advansys.c index d8145888e66a..ee00d9e459c8 100644 --- a/drivers/scsi/advansys.c +++ b/drivers/scsi/advansys.c @@ -49,7 +49,7 @@ #include <scsi/scsi.h> #include <scsi/scsi_host.h> -/* FIXME: +/* Fixed in linux-4.2, not backported to 3.16: * * 1. Although all of the necessary command mapping places have the * appropriate dma_map.. APIs, the driver still processes its internal @@ -68,7 +68,6 @@ * 7. advansys_info is not safe against multiple simultaneous callers * 8. Add module_param to override ISA/VLB ioport array */ -#warning this driver is still not properly converted to the DMA API /* Enable driver /proc statistics. */ #define ADVANSYS_STATS diff --git a/drivers/scsi/aic94xx/aic94xx_sds.c b/drivers/scsi/aic94xx/aic94xx_sds.c index edb43fda9f36..c831e30411fa 100644 --- a/drivers/scsi/aic94xx/aic94xx_sds.c +++ b/drivers/scsi/aic94xx/aic94xx_sds.c @@ -983,7 +983,7 @@ static int asd_process_ctrl_a_user(struct asd_ha_struct *asd_ha, { int err, i; u32 offs, size; - struct asd_ll_el *el; + struct asd_ll_el *el = NULL; struct asd_ctrla_phy_settings *ps; struct asd_ctrla_phy_settings dflt_ps; @@ -1004,6 +1004,7 @@ static int asd_process_ctrl_a_user(struct asd_ha_struct *asd_ha, size = sizeof(struct asd_ctrla_phy_settings); ps = &dflt_ps; + goto out_process; } if (size == 0) @@ -1028,7 +1029,7 @@ static int asd_process_ctrl_a_user(struct asd_ha_struct *asd_ha, ASD_DPRINTK("couldn't find ctrla phy settings struct\n"); goto out2; } - +out_process: err = asd_process_ctrla_phy_settings(asd_ha, ps); if (err) { ASD_DPRINTK("couldn't process ctrla phy settings\n"); diff --git a/drivers/scsi/be2iscsi/be_main.c b/drivers/scsi/be2iscsi/be_main.c index 803fd64d0966..d5068e43cfc5 100644 --- a/drivers/scsi/be2iscsi/be_main.c +++ b/drivers/scsi/be2iscsi/be_main.c @@ -48,7 +48,6 @@ static unsigned int be_iopoll_budget = 10; static unsigned int be_max_phys_size = 64; static unsigned int enable_msix = 1; -MODULE_DEVICE_TABLE(pci, beiscsi_pci_id_table); MODULE_DESCRIPTION(DRV_DESC " " BUILD_STR); MODULE_VERSION(BUILD_STR); MODULE_AUTHOR("Emulex Corporation"); @@ -3153,7 +3152,7 @@ be_sgl_create_contiguous(void *virtual_address, { WARN_ON(!virtual_address); WARN_ON(!physical_address); - WARN_ON(!length > 0); + WARN_ON(!length); WARN_ON(!sgl); sgl->va = virtual_address; diff --git a/drivers/scsi/bfa/bfa_ioc.c b/drivers/scsi/bfa/bfa_ioc.c index 315d6d6dcfc8..4e7104461f09 100644 --- a/drivers/scsi/bfa/bfa_ioc.c +++ b/drivers/scsi/bfa/bfa_ioc.c @@ -3665,19 +3665,19 @@ bfa_cb_sfp_state_query(struct bfa_sfp_s *sfp) if (sfp->state_query_cbfn) sfp->state_query_cbfn(sfp->state_query_cbarg, sfp->status); - sfp->media = NULL; - } + sfp->media = NULL; + } - if (sfp->portspeed) { - sfp->status = bfa_sfp_speed_valid(sfp, sfp->portspeed); - if (sfp->state_query_cbfn) - sfp->state_query_cbfn(sfp->state_query_cbarg, - sfp->status); - sfp->portspeed = BFA_PORT_SPEED_UNKNOWN; - } + if (sfp->portspeed) { + sfp->status = bfa_sfp_speed_valid(sfp, sfp->portspeed); + if (sfp->state_query_cbfn) + sfp->state_query_cbfn(sfp->state_query_cbarg, + sfp->status); + sfp->portspeed = BFA_PORT_SPEED_UNKNOWN; + } - sfp->state_query_lock = 0; - sfp->state_query_cbfn = NULL; + sfp->state_query_lock = 0; + sfp->state_query_cbfn = NULL; } /* diff --git a/drivers/scsi/ips.c b/drivers/scsi/ips.c index 52a216f21ae5..946084014316 100644 --- a/drivers/scsi/ips.c +++ b/drivers/scsi/ips.c @@ -206,10 +206,6 @@ module_param(ips, charp, 0); #define IPS_VERSION_HIGH IPS_VER_MAJOR_STRING "." IPS_VER_MINOR_STRING #define IPS_VERSION_LOW "." IPS_VER_BUILD_STRING " " -#if !defined(__i386__) && !defined(__ia64__) && !defined(__x86_64__) -#warning "This driver has only been tested on the x86/ia64/x86_64 platforms" -#endif - #define IPS_DMA_DIR(scb) ((!scb->scsi_cmd || ips_is_passthru(scb->scsi_cmd) || \ DMA_NONE == scb->scsi_cmd->sc_data_direction) ? \ PCI_DMA_BIDIRECTIONAL : \ @@ -6789,6 +6785,11 @@ ips_remove_device(struct pci_dev *pci_dev) static int __init ips_module_init(void) { +#if !defined(__i386__) && !defined(__ia64__) && !defined(__x86_64__) + printk(KERN_ERR "ips: This driver has only been tested on the x86/ia64/x86_64 platforms\n"); + add_taint(TAINT_CPU_OUT_OF_SPEC, LOCKDEP_STILL_OK); +#endif + if (pci_register_driver(&ips_pci_driver) < 0) return -ENODEV; ips_driver_template.module = THIS_MODULE; diff --git a/drivers/scsi/mvsas/mv_sas.c b/drivers/scsi/mvsas/mv_sas.c index 42b1f3318e59..eab05c5f8b0e 100644 --- a/drivers/scsi/mvsas/mv_sas.c +++ b/drivers/scsi/mvsas/mv_sas.c @@ -737,8 +737,8 @@ static int mvs_task_prep(struct sas_task *task, struct mvs_info *mvi, int is_tmf mv_dprintk("device %016llx not ready.\n", SAS_ADDR(dev->sas_addr)); - rc = SAS_PHY_DOWN; - return rc; + rc = SAS_PHY_DOWN; + return rc; } tei.port = dev->port->lldd_port; if (tei.port && !tei.port->port_attached && !tmf) { diff --git a/drivers/scsi/scsi_tgt_if.c b/drivers/scsi/scsi_tgt_if.c index 6209110f295d..7199753591b2 100644 --- a/drivers/scsi/scsi_tgt_if.c +++ b/drivers/scsi/scsi_tgt_if.c @@ -286,7 +286,7 @@ static int uspace_ring_map(struct vm_area_struct *vma, unsigned long addr, int i, err; for (i = 0; i < TGT_RING_PAGES; i++) { - struct page *page = virt_to_page(ring->tr_pages[i]); + struct page *page = virt_to_page((void *)ring->tr_pages[i]); err = vm_insert_page(vma, addr, page); if (err) return err; diff --git a/drivers/scsi/st.c b/drivers/scsi/st.c index daa67f509133..d24de1bb33a5 100644 --- a/drivers/scsi/st.c +++ b/drivers/scsi/st.c @@ -4115,11 +4115,11 @@ static int st_probe(struct device *dev) kref_init(&tpnt->kref); tpnt->disk = disk; disk->private_data = &tpnt->driver; - disk->queue = SDp->request_queue; /* SCSI tape doesn't register this gendisk via add_disk(). Manually * take queue reference that release_disk() expects. */ - if (!blk_get_queue(disk->queue)) + if (!blk_get_queue(SDp->request_queue)) goto out_put_disk; + disk->queue = SDp->request_queue; tpnt->driver = &st_template; tpnt->device = SDp; diff --git a/drivers/spi/spi-atmel.c b/drivers/spi/spi-atmel.c index 7bfd64f7d76b..27ebf096e703 100644 --- a/drivers/spi/spi-atmel.c +++ b/drivers/spi/spi-atmel.c @@ -1020,7 +1020,7 @@ static int atmel_spi_setup(struct spi_device *spi) csr |= SPI_BF(DLYBCT, 0); /* chipselect must have been muxed as GPIO (e.g. in board setup) */ - npcs_pin = (unsigned int)spi->controller_data; + npcs_pin = (unsigned long)spi->controller_data; if (gpio_is_valid(spi->cs_gpio)) npcs_pin = spi->cs_gpio; @@ -1255,7 +1255,7 @@ static int atmel_spi_transfer_one_message(struct spi_master *master, static void atmel_spi_cleanup(struct spi_device *spi) { struct atmel_spi_device *asd = spi->controller_state; - unsigned gpio = (unsigned) spi->controller_data; + unsigned gpio = (unsigned long) spi->controller_data; if (!asd) return; diff --git a/drivers/spi/spi-pl022.c b/drivers/spi/spi-pl022.c index 02798036df8f..53a908e4219f 100644 --- a/drivers/spi/spi-pl022.c +++ b/drivers/spi/spi-pl022.c @@ -1417,7 +1417,7 @@ static void do_interrupt_dma_transfer(struct pl022 *pl022) * Default is to enable all interrupts except RX - * this will be enabled once TX is complete */ - u32 irqflags = ENABLE_ALL_INTERRUPTS & ~SSP_IMSC_MASK_RXIM; + u32 irqflags = (u32)(ENABLE_ALL_INTERRUPTS & ~SSP_IMSC_MASK_RXIM); /* Enable target chip, if not already active */ if (!pl022->next_msg_cs_active) diff --git a/drivers/spi/spi-rspi.c b/drivers/spi/spi-rspi.c index 10112745bb17..ddee9df1547d 100644 --- a/drivers/spi/spi-rspi.c +++ b/drivers/spi/spi-rspi.c @@ -630,7 +630,6 @@ static int rspi_rz_transfer_one(struct spi_master *master, struct spi_transfer *xfer) { struct rspi_data *rspi = spi_master_get_devdata(master); - int ret; rspi_rz_receive_init(rspi); diff --git a/drivers/spmi/spmi.c b/drivers/spmi/spmi.c index 3b5780710d50..b93b404f6955 100644 --- a/drivers/spmi/spmi.c +++ b/drivers/spmi/spmi.c @@ -354,11 +354,23 @@ static int spmi_drv_remove(struct device *dev) return 0; } +static int spmi_drv_uevent(struct device *dev, struct kobj_uevent_env *env) +{ + int ret; + + ret = of_device_uevent_modalias(dev, env); + if (ret != -ENODEV) + return ret; + + return 0; +} + static struct bus_type spmi_bus_type = { .name = "spmi", .match = spmi_device_match, .probe = spmi_drv_probe, .remove = spmi_drv_remove, + .uevent = spmi_drv_uevent, }; /** diff --git a/drivers/staging/bcm/Kconfig b/drivers/staging/bcm/Kconfig index 8acf4b24a7c9..94e04701e008 100644 --- a/drivers/staging/bcm/Kconfig +++ b/drivers/staging/bcm/Kconfig @@ -1,6 +1,7 @@ config BCM_WIMAX tristate "Beceem BCS200/BCS220-3 and BCSM250 wimax support" depends on USB && NET + depends on !64BIT help This is an experimental driver for the Beceem WIMAX chipset used by Sprint 4G. diff --git a/drivers/staging/dgnc/dgnc_tty.c b/drivers/staging/dgnc/dgnc_tty.c index 4135cb0ed9f5..cd7a6dbdddb8 100644 --- a/drivers/staging/dgnc/dgnc_tty.c +++ b/drivers/staging/dgnc/dgnc_tty.c @@ -481,13 +481,18 @@ void dgnc_sniff_nowait_nolock(struct channel_t *ch, uchar *text, uchar *buf, int int nbuf; int i; int tmpbuflen; - char tmpbuf[TMPBUFLEN]; - char *p = tmpbuf; + char *tmpbuf; + char *p; int too_much_data; + tmpbuf = kzalloc(TMPBUFLEN, GFP_KERNEL); + if (!tmpbuf) + return; + p = tmpbuf; + /* Leave if sniff not open */ if (!(ch->ch_sniff_flags & SNIFF_OPEN)) - return; + goto exit; do_gettimeofday(&tv); @@ -534,7 +539,7 @@ void dgnc_sniff_nowait_nolock(struct channel_t *ch, uchar *text, uchar *buf, int * function was probably called by the interrupt/timer routines! */ if (n == 0) - return; + goto exit; /* * Copy as much data as will fit. @@ -579,6 +584,9 @@ void dgnc_sniff_nowait_nolock(struct channel_t *ch, uchar *text, uchar *buf, int } } while (too_much_data); + +exit: + kfree(tmpbuf); } diff --git a/drivers/staging/iio/adc/ad7192.c b/drivers/staging/iio/adc/ad7192.c index 83bb44b38152..26b2cdca29ad 100644 --- a/drivers/staging/iio/adc/ad7192.c +++ b/drivers/staging/iio/adc/ad7192.c @@ -236,7 +236,7 @@ static int ad7192_setup(struct ad7192_state *st, st->mclk = pdata->ext_clk_Hz; else st->mclk = AD7192_INT_FREQ_MHz; - break; + break; default: ret = -EINVAL; goto out; diff --git a/drivers/staging/iio/resolver/ad2s1210.c b/drivers/staging/iio/resolver/ad2s1210.c index 7fbaba41c872..483a8350aa1f 100644 --- a/drivers/staging/iio/resolver/ad2s1210.c +++ b/drivers/staging/iio/resolver/ad2s1210.c @@ -462,7 +462,7 @@ static int ad2s1210_read_raw(struct iio_dev *indio_dev, long m) { struct ad2s1210_state *st = iio_priv(indio_dev); - bool negative; + u16 negative; int ret = 0; u16 pos; s16 vel; diff --git a/drivers/staging/imx-drm/imx-hdmi.c b/drivers/staging/imx-drm/imx-hdmi.c index 18c9ccd460b7..6943449a8a48 100644 --- a/drivers/staging/imx-drm/imx-hdmi.c +++ b/drivers/staging/imx-drm/imx-hdmi.c @@ -968,7 +968,7 @@ static void hdmi_config_AVI(struct imx_hdmi *hdmi) else pix_fmt = HDMI_FC_AVICONF0_PIX_FMT_RGB; - under_scan = HDMI_FC_AVICONF0_SCAN_INFO_NODATA; + under_scan = HDMI_FC_AVICONF0_SCAN_INFO_NODATA; /* * Active format identification data is present in the AVI InfoFrame. diff --git a/drivers/staging/lustre/lustre/llite/llite_lib.c b/drivers/staging/lustre/lustre/llite/llite_lib.c index 17cfa99b4fc0..764953089f64 100644 --- a/drivers/staging/lustre/lustre/llite/llite_lib.c +++ b/drivers/staging/lustre/lustre/llite/llite_lib.c @@ -1489,7 +1489,7 @@ int ll_setattr_raw(struct dentry *dentry, struct iattr *attr, bool hsm_import) if (attr->ia_valid & (ATTR_SIZE | ATTR_ATIME | ATTR_ATIME_SET | - ATTR_MTIME | ATTR_MTIME_SET)) + ATTR_MTIME | ATTR_MTIME_SET)) { /* For truncate and utimes sending attributes to OSTs, setting * mtime/atime to the past will be performed under PW [0:EOF] * extent lock (new_size:EOF for truncate). It may seem @@ -1501,6 +1501,7 @@ int ll_setattr_raw(struct dentry *dentry, struct iattr *attr, bool hsm_import) rc = ll_setattr_ost(inode, attr); if (attr->ia_valid & ATTR_SIZE) up_write(&lli->lli_trunc_sem); + } out: if (op_data) { if (op_data->op_ioepoch) { diff --git a/drivers/staging/rtl8188eu/os_dep/usb_intf.c b/drivers/staging/rtl8188eu/os_dep/usb_intf.c index d9552ba2c15d..208c9ba4e236 100644 --- a/drivers/staging/rtl8188eu/os_dep/usb_intf.c +++ b/drivers/staging/rtl8188eu/os_dep/usb_intf.c @@ -59,7 +59,9 @@ static struct usb_device_id rtw_usb_id_tbl[] = { {USB_DEVICE(0x2001, 0x330F)}, /* DLink DWA-125 REV D1 */ {USB_DEVICE(0x2001, 0x3310)}, /* Dlink DWA-123 REV D1 */ {USB_DEVICE(0x2001, 0x3311)}, /* DLink GO-USB-N150 REV B1 */ + {USB_DEVICE(0x2357, 0x010c)}, /* TP-Link TL-WN722N v2 */ {USB_DEVICE(0x0df6, 0x0076)}, /* Sitecom N150 v2 */ + {USB_DEVICE(USB_VENDER_ID_REALTEK, 0xffef)}, /* Rosewill RNX-N150NUB */ {} /* Terminating entry */ }; diff --git a/drivers/staging/rtl8192ee/pci.c b/drivers/staging/rtl8192ee/pci.c index 3fe9b7ba01d6..1686b360e088 100644 --- a/drivers/staging/rtl8192ee/pci.c +++ b/drivers/staging/rtl8192ee/pci.c @@ -882,8 +882,8 @@ static void _rtl_pci_rx_interrupt(struct ieee80211_hw *hw) } else { if (err_count++ < 10) { - pr_info("skb->end (%d) - skb->tail (%d) > len (%d)\n", - skb->end, skb->tail, len); + pr_info("skb end: %d) - tailroom (%d) > len (%d)\n", + skb_end_offset(skb), skb_tailroom(skb), len); RT_PRINT_DATA(rtlpriv, COMP_CMD, DBG_EMERG, "RX desc\n", (u8 *)pdesc, 32); diff --git a/drivers/staging/rtl8723au/core/rtw_wlan_util.c b/drivers/staging/rtl8723au/core/rtw_wlan_util.c index 579a4a8c8276..013ebd9629f3 100644 --- a/drivers/staging/rtl8723au/core/rtw_wlan_util.c +++ b/drivers/staging/rtl8723au/core/rtw_wlan_util.c @@ -546,7 +546,7 @@ void WMMOnAssocRsp23a(struct rtw_adapter *padapter) else aSifsTime = 16; - for (i = 0; i < 4; i++) { + for (i = 0; i < 4; i++) { ACI = (pmlmeinfo->WMM_param.ac_param[i].ACI_AIFSN >> 5) & 0x03; ACM = (pmlmeinfo->WMM_param.ac_param[i].ACI_AIFSN >> 4) & 0x01; diff --git a/drivers/staging/vt6655/device_main.c b/drivers/staging/vt6655/device_main.c index e3ae2599a2b7..88ffe31053ed 100644 --- a/drivers/staging/vt6655/device_main.c +++ b/drivers/staging/vt6655/device_main.c @@ -2933,11 +2933,13 @@ static int device_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) { DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " SIOCSIWSENS \n"); rc = -EOPNOTSUPP; break; - case SIOCGIWAPLIST: { - char buffer[IW_MAX_AP * (sizeof(struct sockaddr) + sizeof(struct iw_quality))]; + char *buffer = kzalloc(IW_MAX_AP * (sizeof(struct sockaddr) + + sizeof(struct iw_quality)), GFP_KERNEL); - if (wrq->u.data.pointer) { + if (!buffer) { + rc = -ENOMEM; + } else if (wrq->u.data.pointer) { rc = iwctl_giwaplist(dev, NULL, &(wrq->u.data), buffer); if (rc == 0) { if (copy_to_user(wrq->u.data.pointer, @@ -2947,6 +2949,7 @@ static int device_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) { rc = -EFAULT; } } + kfree(buffer); } break; @@ -2993,7 +2996,6 @@ static int device_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) { DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " SIOCGIWGENIE \n"); rc = iwctl_giwgenie(dev, NULL, &(wrq->u.data), wrq->u.data.pointer); break; - case SIOCSIWENCODEEXT: { char extra[sizeof(struct iw_encode_ext)+MAX_KEY_LEN+1]; DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " SIOCSIWENCODEEXT \n"); diff --git a/drivers/staging/wlan-ng/prism2fw.c b/drivers/staging/wlan-ng/prism2fw.c index f7870355c69f..45182ea4172f 100644 --- a/drivers/staging/wlan-ng/prism2fw.c +++ b/drivers/staging/wlan-ng/prism2fw.c @@ -763,30 +763,35 @@ static int plugimage(struct imgchunk *fchunk, unsigned int nfchunks, static int read_cardpda(struct pda *pda, wlandevice_t *wlandev) { int result = 0; - struct p80211msg_p2req_readpda msg; + struct p80211msg_p2req_readpda *msg; + + msg = kzalloc(sizeof(*msg), GFP_KERNEL); + if (!msg) + return -ENOMEM; /* set up the msg */ - msg.msgcode = DIDmsg_p2req_readpda; - msg.msglen = sizeof(msg); - strcpy(msg.devname, wlandev->name); - msg.pda.did = DIDmsg_p2req_readpda_pda; - msg.pda.len = HFA384x_PDA_LEN_MAX; - msg.pda.status = P80211ENUM_msgitem_status_no_value; - msg.resultcode.did = DIDmsg_p2req_readpda_resultcode; - msg.resultcode.len = sizeof(u32); - msg.resultcode.status = P80211ENUM_msgitem_status_no_value; - - if (prism2mgmt_readpda(wlandev, &msg) != 0) { + msg->msgcode = DIDmsg_p2req_readpda; + msg->msglen = sizeof(msg); + strcpy(msg->devname, wlandev->name); + msg->pda.did = DIDmsg_p2req_readpda_pda; + msg->pda.len = HFA384x_PDA_LEN_MAX; + msg->pda.status = P80211ENUM_msgitem_status_no_value; + msg->resultcode.did = DIDmsg_p2req_readpda_resultcode; + msg->resultcode.len = sizeof(u32); + msg->resultcode.status = P80211ENUM_msgitem_status_no_value; + + if (prism2mgmt_readpda(wlandev, msg) != 0) { /* prism2mgmt_readpda prints an errno if appropriate */ result = -1; - } else if (msg.resultcode.data == P80211ENUM_resultcode_success) { - memcpy(pda->buf, msg.pda.data, HFA384x_PDA_LEN_MAX); + } else if (msg->resultcode.data == P80211ENUM_resultcode_success) { + memcpy(pda->buf, msg->pda.data, HFA384x_PDA_LEN_MAX); result = mkpdrlist(pda); } else { /* resultcode must've been something other than success */ result = -1; } + kfree(msg); return result; } diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c index 1a4f09ab3866..e137dc7cfc72 100644 --- a/drivers/target/iscsi/iscsi_target.c +++ b/drivers/target/iscsi/iscsi_target.c @@ -431,6 +431,7 @@ int iscsit_reset_np_thread( return 0; } np->np_thread_state = ISCSI_NP_THREAD_RESET; + atomic_inc(&np->np_reset_count); if (np->np_thread) { spin_unlock_bh(&np->np_thread_lock); diff --git a/drivers/target/iscsi/iscsi_target_core.h b/drivers/target/iscsi/iscsi_target_core.h index f8e14dda29f6..725c682b7692 100644 --- a/drivers/target/iscsi/iscsi_target_core.h +++ b/drivers/target/iscsi/iscsi_target_core.h @@ -792,6 +792,7 @@ struct iscsi_np { int np_sock_type; enum np_thread_state_table np_thread_state; bool enabled; + atomic_t np_reset_count; enum iscsi_timer_flags_table np_login_timer_flags; u32 np_exports; enum np_flags_table np_flags; diff --git a/drivers/target/iscsi/iscsi_target_login.c b/drivers/target/iscsi/iscsi_target_login.c index 850c977b6df3..2ab8081267f9 100644 --- a/drivers/target/iscsi/iscsi_target_login.c +++ b/drivers/target/iscsi/iscsi_target_login.c @@ -1277,9 +1277,11 @@ static int __iscsi_target_login_thread(struct iscsi_np *np) flush_signals(current); spin_lock_bh(&np->np_thread_lock); - if (np->np_thread_state == ISCSI_NP_THREAD_RESET) { + if (atomic_dec_if_positive(&np->np_reset_count) >= 0) { np->np_thread_state = ISCSI_NP_THREAD_ACTIVE; + spin_unlock_bh(&np->np_thread_lock); complete(&np->np_restart_comp); + return 1; } else if (np->np_thread_state == ISCSI_NP_THREAD_SHUTDOWN) { spin_unlock_bh(&np->np_thread_lock); goto exit; @@ -1312,7 +1314,8 @@ static int __iscsi_target_login_thread(struct iscsi_np *np) goto exit; } else if (rc < 0) { spin_lock_bh(&np->np_thread_lock); - if (np->np_thread_state == ISCSI_NP_THREAD_RESET) { + if (atomic_dec_if_positive(&np->np_reset_count) >= 0) { + np->np_thread_state = ISCSI_NP_THREAD_ACTIVE; spin_unlock_bh(&np->np_thread_lock); complete(&np->np_restart_comp); iscsit_put_transport(conn->conn_transport); diff --git a/drivers/tty/isicom.c b/drivers/tty/isicom.c index 858291ca889c..c03ecaa0af7f 100644 --- a/drivers/tty/isicom.c +++ b/drivers/tty/isicom.c @@ -1055,7 +1055,7 @@ static int isicom_send_break(struct tty_struct *tty, int length) outw(0x8000 | ((port->channel) << (card->shift_count)) | 0x3, base); outw((length & 0xff) << 8 | 0x00, base); - outw((length & 0xff00), base); + outw((length & 0xff00u), base); InterruptTheCard(base); unlock_card(card); diff --git a/drivers/tty/nozomi.c b/drivers/tty/nozomi.c index cd0429369557..b5b1b195ff2c 100644 --- a/drivers/tty/nozomi.c +++ b/drivers/tty/nozomi.c @@ -823,7 +823,7 @@ static int receive_data(enum port_type index, struct nozomi *dc) struct tty_struct *tty = tty_port_tty_get(&port->port); int i, ret; - read_mem32((u32 *) &size, addr, 4); + size = __le32_to_cpu(readl(addr)); /* DBG1( "%d bytes port: %d", size, index); */ if (tty && test_bit(TTY_THROTTLED, &tty->flags)) { diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c index 2c34b1e444a4..ef71827f92a3 100644 --- a/drivers/usb/class/cdc-acm.c +++ b/drivers/usb/class/cdc-acm.c @@ -1772,6 +1772,9 @@ static const struct usb_device_id acm_ids[] = { { USB_DEVICE(0x1576, 0x03b1), /* Maretron USB100 */ .driver_info = NO_UNION_NORMAL, /* reports zero length descriptor */ }, + { USB_DEVICE(0xfff0, 0x0100), /* DATECS FP-2000 */ + .driver_info = NO_UNION_NORMAL, /* reports zero length descriptor */ + }, { USB_DEVICE(0x2912, 0x0001), /* ATOL FPrint */ .driver_info = CLEAR_HALT_CONDITIONS, diff --git a/drivers/usb/core/config.c b/drivers/usb/core/config.c index 627038883c55..063d9767d6fe 100644 --- a/drivers/usb/core/config.c +++ b/drivers/usb/core/config.c @@ -607,15 +607,23 @@ static int usb_parse_configuration(struct usb_device *dev, int cfgidx, } else if (header->bDescriptorType == USB_DT_INTERFACE_ASSOCIATION) { + struct usb_interface_assoc_descriptor *d; + + d = (struct usb_interface_assoc_descriptor *)header; + if (d->bLength < USB_DT_INTERFACE_ASSOCIATION_SIZE) { + dev_warn(ddev, + "config %d has an invalid interface association descriptor of length %d, skipping\n", + cfgno, d->bLength); + continue; + } + if (iad_num == USB_MAXIADS) { dev_warn(ddev, "found more Interface " "Association Descriptors " "than allocated for in " "configuration %d\n", cfgno); } else { - config->intf_assoc[iad_num] = - (struct usb_interface_assoc_descriptor - *)header; + config->intf_assoc[iad_num] = d; iad_num++; } @@ -916,10 +924,12 @@ int usb_get_bos_descriptor(struct usb_device *dev) for (i = 0; i < num; i++) { buffer += length; cap = (struct usb_dev_cap_header *)buffer; - length = cap->bLength; - if (total_len < length) + if (total_len < sizeof(*cap) || total_len < cap->bLength) { + dev->bos->desc->bNumDeviceCaps = i; break; + } + length = cap->bLength; total_len -= length; if (cap->bDescriptorType != USB_DT_DEVICE_CAPABILITY) { diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c index 495f6949ebf6..865bc662b28c 100644 --- a/drivers/usb/core/hcd.c +++ b/drivers/usb/core/hcd.c @@ -2402,6 +2402,8 @@ void usb_hc_died (struct usb_hcd *hcd) } if (usb_hcd_is_primary_hcd(hcd) && hcd->shared_hcd) { hcd = hcd->shared_hcd; + clear_bit(HCD_FLAG_RH_RUNNING, &hcd->flags); + set_bit(HCD_FLAG_DEAD, &hcd->flags); if (hcd->rh_registered) { clear_bit(HCD_FLAG_POLL_RH, &hcd->flags); diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index 25892de366b4..598e9adf8858 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -4602,7 +4602,8 @@ hub_power_remaining (struct usb_hub *hub) static void hub_port_connect(struct usb_hub *hub, int port1, u16 portstatus, u16 portchange) { - int status, i; + int status = -ENODEV; + int i; unsigned unit_load; struct usb_device *hdev = hub->hdev; struct usb_hcd *hcd = bus_to_hcd(hdev->bus); @@ -4799,9 +4800,10 @@ static void hub_port_connect(struct usb_hub *hub, int port1, u16 portstatus, done: hub_port_disable(hub, port1, 1); - if (hcd->driver->relinquish_port && !hub->hdev->parent) - hcd->driver->relinquish_port(hcd, port1); - + if (hcd->driver->relinquish_port && !hub->hdev->parent) { + if (status != -ENOTCONN && status != -ENODEV) + hcd->driver->relinquish_port(hcd, port1); + } } /* Handle physical or logical connection change events. diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c index 59106b01dc20..88a49b1f8bbb 100644 --- a/drivers/usb/core/quirks.c +++ b/drivers/usb/core/quirks.c @@ -147,6 +147,9 @@ static const struct usb_device_id usb_quirk_list[] = { /* appletouch */ { USB_DEVICE(0x05ac, 0x021a), .driver_info = USB_QUIRK_RESET_RESUME }, + /* Genesys Logic hub, internally used by Moshi USB to Ethernet Adapter */ + { USB_DEVICE(0x05e3, 0x0616), .driver_info = USB_QUIRK_NO_LPM }, + /* Avision AV600U */ { USB_DEVICE(0x0638, 0x0a13), .driver_info = USB_QUIRK_STRING_FETCH_255 }, @@ -246,6 +249,7 @@ static const struct usb_device_id usb_amd_resume_quirk_list[] = { { USB_DEVICE(0x093a, 0x2500), .driver_info = USB_QUIRK_RESET_RESUME }, { USB_DEVICE(0x093a, 0x2510), .driver_info = USB_QUIRK_RESET_RESUME }, { USB_DEVICE(0x093a, 0x2521), .driver_info = USB_QUIRK_RESET_RESUME }, + { USB_DEVICE(0x03f0, 0x2b4a), .driver_info = USB_QUIRK_RESET_RESUME }, /* Logitech Optical Mouse M90/M100 */ { USB_DEVICE(0x046d, 0xc05a), .driver_info = USB_QUIRK_RESET_RESUME }, diff --git a/drivers/usb/host/pci-quirks.c b/drivers/usb/host/pci-quirks.c index f4e6b945136c..94039dc5de72 100644 --- a/drivers/usb/host/pci-quirks.c +++ b/drivers/usb/host/pci-quirks.c @@ -78,6 +78,16 @@ #define USB_INTEL_USB3_PSSEN 0xD8 #define USB_INTEL_USB3PRM 0xDC +/* ASMEDIA quirk use */ +#define ASMT_DATA_WRITE0_REG 0xF8 +#define ASMT_DATA_WRITE1_REG 0xFC +#define ASMT_CONTROL_REG 0xE0 +#define ASMT_CONTROL_WRITE_BIT 0x02 +#define ASMT_WRITEREG_CMD 0x10423 +#define ASMT_FLOWCTL_ADDR 0xFA30 +#define ASMT_FLOWCTL_DATA 0xBA +#define ASMT_PSEUDO_DATA 0 + /* * amd_chipset_gen values represent AMD different chipset generations */ @@ -89,6 +99,7 @@ enum amd_chipset_gen { AMD_CHIPSET_HUDSON2, AMD_CHIPSET_BOLTON, AMD_CHIPSET_YANGTZE, + AMD_CHIPSET_TAISHAN, AMD_CHIPSET_UNKNOWN, }; @@ -132,6 +143,11 @@ static int amd_chipset_sb_type_init(struct amd_chipset_info *pinfo) pinfo->sb_type.gen = AMD_CHIPSET_SB700; else if (rev >= 0x40 && rev <= 0x4f) pinfo->sb_type.gen = AMD_CHIPSET_SB800; + } + pinfo->smbus_dev = pci_get_device(PCI_VENDOR_ID_AMD, + 0x145c, NULL); + if (pinfo->smbus_dev) { + pinfo->sb_type.gen = AMD_CHIPSET_TAISHAN; } else { pinfo->smbus_dev = pci_get_device(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_HUDSON2_SMBUS, NULL); @@ -253,11 +269,12 @@ int usb_hcd_amd_remote_wakeup_quirk(struct pci_dev *pdev) { /* Make sure amd chipset type has already been initialized */ usb_amd_find_chipset_info(); - if (amd_chipset.sb_type.gen != AMD_CHIPSET_YANGTZE) - return 0; - - dev_dbg(&pdev->dev, "QUIRK: Enable AMD remote wakeup fix\n"); - return 1; + if (amd_chipset.sb_type.gen == AMD_CHIPSET_YANGTZE || + amd_chipset.sb_type.gen == AMD_CHIPSET_TAISHAN) { + dev_dbg(&pdev->dev, "QUIRK: Enable AMD remote wakeup fix\n"); + return 1; + } + return 0; } EXPORT_SYMBOL_GPL(usb_hcd_amd_remote_wakeup_quirk); @@ -415,6 +432,50 @@ void usb_amd_quirk_pll_disable(void) } EXPORT_SYMBOL_GPL(usb_amd_quirk_pll_disable); +static int usb_asmedia_wait_write(struct pci_dev *pdev) +{ + unsigned long retry_count; + unsigned char value; + + for (retry_count = 1000; retry_count > 0; --retry_count) { + + pci_read_config_byte(pdev, ASMT_CONTROL_REG, &value); + + if (value == 0xff) { + dev_err(&pdev->dev, "%s: check_ready ERROR", __func__); + return -EIO; + } + + if ((value & ASMT_CONTROL_WRITE_BIT) == 0) + return 0; + + usleep_range(40, 60); + } + + dev_warn(&pdev->dev, "%s: check_write_ready timeout", __func__); + return -ETIMEDOUT; +} + +void usb_asmedia_modifyflowcontrol(struct pci_dev *pdev) +{ + if (usb_asmedia_wait_write(pdev) != 0) + return; + + /* send command and address to device */ + pci_write_config_dword(pdev, ASMT_DATA_WRITE0_REG, ASMT_WRITEREG_CMD); + pci_write_config_dword(pdev, ASMT_DATA_WRITE1_REG, ASMT_FLOWCTL_ADDR); + pci_write_config_byte(pdev, ASMT_CONTROL_REG, ASMT_CONTROL_WRITE_BIT); + + if (usb_asmedia_wait_write(pdev) != 0) + return; + + /* send data to device */ + pci_write_config_dword(pdev, ASMT_DATA_WRITE0_REG, ASMT_FLOWCTL_DATA); + pci_write_config_dword(pdev, ASMT_DATA_WRITE1_REG, ASMT_PSEUDO_DATA); + pci_write_config_byte(pdev, ASMT_CONTROL_REG, ASMT_CONTROL_WRITE_BIT); +} +EXPORT_SYMBOL_GPL(usb_asmedia_modifyflowcontrol); + void usb_amd_quirk_pll_enable(void) { usb_amd_quirk_pll(0); diff --git a/drivers/usb/host/pci-quirks.h b/drivers/usb/host/pci-quirks.h index c622ddf21c94..6463fdb403c2 100644 --- a/drivers/usb/host/pci-quirks.h +++ b/drivers/usb/host/pci-quirks.h @@ -11,6 +11,7 @@ bool usb_amd_prefetch_quirk(void); void usb_amd_dev_put(void); void usb_amd_quirk_pll_disable(void); void usb_amd_quirk_pll_enable(void); +void usb_asmedia_modifyflowcontrol(struct pci_dev *pdev); void usb_enable_intel_xhci_ports(struct pci_dev *xhci_pdev); void usb_disable_xhci_ports(struct pci_dev *xhci_pdev); void sb800_prefetch(struct device *dev, int on); @@ -18,6 +19,7 @@ void sb800_prefetch(struct device *dev, int on); struct pci_dev; static inline void usb_amd_quirk_pll_disable(void) {} static inline void usb_amd_quirk_pll_enable(void) {} +static inline void usb_asmedia_modifyflowcontrol(struct pci_dev *pdev) {} static inline void usb_amd_dev_put(void) {} static inline void usb_disable_xhci_ports(struct pci_dev *xhci_pdev) {} static inline void sb800_prefetch(struct device *dev, int on) {} diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c index 48562be0f07f..76628f9e39ba 100644 --- a/drivers/usb/host/xhci-hub.c +++ b/drivers/usb/host/xhci-hub.c @@ -644,6 +644,9 @@ static u32 xhci_get_port_status(struct usb_hcd *hcd, clear_bit(wIndex, &bus_state->resuming_ports); set_bit(wIndex, &bus_state->rexit_ports); + + xhci_test_and_clear_bit(xhci, port_array, wIndex, + PORT_PLC); xhci_set_link_state(xhci, port_array, wIndex, XDEV_U0); diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c index 60edc9668935..cc40aa7529e2 100644 --- a/drivers/usb/host/xhci-pci.c +++ b/drivers/usb/host/xhci-pci.c @@ -52,6 +52,8 @@ #define PCI_DEVICE_ID_AMD_PROMONTORYA_2 0x43bb #define PCI_DEVICE_ID_AMD_PROMONTORYA_1 0x43bc +#define PCI_DEVICE_ID_ASMEDIA_1042A_XHCI 0x1142 + static const char hcd_name[] = "xhci_hcd"; /* called after powerup, by probe or system-pm "wakeup" */ @@ -198,6 +200,10 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci) pdev->device == 0x1142) xhci->quirks |= XHCI_TRUST_TX_LENGTH; + if (pdev->vendor == PCI_VENDOR_ID_ASMEDIA && + pdev->device == PCI_DEVICE_ID_ASMEDIA_1042A_XHCI) + xhci->quirks |= XHCI_ASMEDIA_MODIFY_FLOWCONTROL; + if (xhci->quirks & XHCI_RESET_ON_RESUME) xhci_dbg_trace(xhci, trace_xhci_dbg_quirks, "QUIRK: Resetting on resume"); diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index 97a3955650c9..e69c7df4b9a9 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -821,13 +821,16 @@ static void xhci_kill_endpoint_urbs(struct xhci_hcd *xhci, (ep->ep_state & EP_GETTING_NO_STREAMS)) { int stream_id; - for (stream_id = 0; stream_id < ep->stream_info->num_streams; + for (stream_id = 1; stream_id < ep->stream_info->num_streams; stream_id++) { + ring = ep->stream_info->stream_rings[stream_id]; + if (!ring) + continue; + xhci_dbg_trace(xhci, trace_xhci_dbg_cancel_urb, "Killing URBs for slot ID %u, ep index %u, stream %u", - slot_id, ep_index, stream_id + 1); - xhci_kill_ring_urbs(xhci, - ep->stream_info->stream_rings[stream_id]); + slot_id, ep_index, stream_id); + xhci_kill_ring_urbs(xhci, ring); } } else { ring = ep->ring; diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index af2be1476d8a..45654fffa7a5 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -191,6 +191,9 @@ int xhci_reset(struct xhci_hcd *xhci) if (ret) return ret; + if (xhci->quirks & XHCI_ASMEDIA_MODIFY_FLOWCONTROL) + usb_asmedia_modifyflowcontrol(to_pci_dev(xhci_to_hcd(xhci)->self.controller)); + xhci_dbg_trace(xhci, trace_xhci_dbg_init, "Wait for controller to be ready for doorbell rings"); /* @@ -659,8 +662,10 @@ int xhci_run(struct usb_hcd *hcd) command = xhci_alloc_command(xhci, false, false, GFP_KERNEL); if (!command) return -ENOMEM; - xhci_queue_vendor_command(xhci, command, 0, 0, 0, + ret = xhci_queue_vendor_command(xhci, command, 0, 0, 0, TRB_TYPE(TRB_NEC_GET_FW)); + if (ret) + xhci_free_command(xhci, command); } xhci_dbg_trace(xhci, trace_xhci_dbg_init, "Finished xhci_run for USB2 roothub"); @@ -1116,6 +1121,9 @@ int xhci_resume(struct xhci_hcd *xhci, bool hibernated) if ((xhci->quirks & XHCI_COMP_MODE_QUIRK) && !comp_timer_running) compliance_mode_recovery_timer_init(xhci); + if (xhci->quirks & XHCI_ASMEDIA_MODIFY_FLOWCONTROL) + usb_asmedia_modifyflowcontrol(to_pci_dev(hcd->self.controller)); + /* Re-enable port polling. */ xhci_dbg(xhci, "%s: starting port polling.\n", __func__); set_bit(HCD_FLAG_POLL_RH, &hcd->flags); diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h index 92e852cc3944..746ffa720ae4 100644 --- a/drivers/usb/host/xhci.h +++ b/drivers/usb/host/xhci.h @@ -1570,6 +1570,7 @@ struct xhci_hcd { #define XHCI_PME_STUCK_QUIRK (1 << 20) #define XHCI_MISSING_CAS (1 << 24) #define XHCI_U2_DISABLE_WAKE (1 << 27) +#define XHCI_ASMEDIA_MODIFY_FLOWCONTROL (1 << 28) unsigned int num_active_eps; unsigned int limit_active_eps; /* There are two roothubs to keep track of bus suspend info for */ diff --git a/drivers/usb/misc/usbtest.c b/drivers/usb/misc/usbtest.c index 419a5b3cb924..8fc6b8bdd1ba 100644 --- a/drivers/usb/misc/usbtest.c +++ b/drivers/usb/misc/usbtest.c @@ -164,12 +164,13 @@ get_endpoints(struct usbtest_dev *dev, struct usb_interface *intf) return tmp; } - if (in) { + if (in) dev->in_pipe = usb_rcvbulkpipe(udev, in->desc.bEndpointAddress & USB_ENDPOINT_NUMBER_MASK); + if (out) dev->out_pipe = usb_sndbulkpipe(udev, out->desc.bEndpointAddress & USB_ENDPOINT_NUMBER_MASK); - } + if (iso_in) { dev->iso_in = &iso_in->desc; dev->in_iso_pipe = usb_rcvisocpipe(udev, diff --git a/drivers/usb/renesas_usbhs/common.c b/drivers/usb/renesas_usbhs/common.c index 17267b0a2e95..e1648e4230ac 100644 --- a/drivers/usb/renesas_usbhs/common.c +++ b/drivers/usb/renesas_usbhs/common.c @@ -600,8 +600,10 @@ static int usbhsc_resume(struct device *dev) struct usbhs_priv *priv = dev_get_drvdata(dev); struct platform_device *pdev = usbhs_priv_to_pdev(priv); - if (!usbhsc_flags_has(priv, USBHSF_RUNTIME_PWCTRL)) + if (!usbhsc_flags_has(priv, USBHSF_RUNTIME_PWCTRL)) { usbhsc_power_ctrl(priv, 1); + usbhs_mod_autonomy_mode(priv); + } usbhs_platform_call(priv, phy_reset, pdev); diff --git a/drivers/usb/renesas_usbhs/mod_gadget.c b/drivers/usb/renesas_usbhs/mod_gadget.c index 6583c04cc35e..5732dd0fbd27 100644 --- a/drivers/usb/renesas_usbhs/mod_gadget.c +++ b/drivers/usb/renesas_usbhs/mod_gadget.c @@ -36,6 +36,7 @@ struct usbhsg_gpriv; struct usbhsg_uep { struct usb_ep ep; struct usbhs_pipe *pipe; + spinlock_t lock; /* protect the pipe */ char ep_name[EP_NAME_SIZE]; @@ -126,7 +127,8 @@ static void usbhsg_queue_pop(struct usbhsg_uep *uep, struct usbhs_pipe *pipe = usbhsg_uep_to_pipe(uep); struct device *dev = usbhsg_gpriv_to_dev(gpriv); - dev_dbg(dev, "pipe %d : queue pop\n", usbhs_pipe_number(pipe)); + if (pipe) + dev_dbg(dev, "pipe %d : queue pop\n", usbhs_pipe_number(pipe)); ureq->req.status = status; ureq->req.complete(&uep->ep, &ureq->req); @@ -607,15 +609,26 @@ static int usbhsg_ep_enable(struct usb_ep *ep, static int usbhsg_ep_disable(struct usb_ep *ep) { struct usbhsg_uep *uep = usbhsg_ep_to_uep(ep); + struct usbhs_pipe *pipe; + unsigned long flags; + int ret = 0; - if (!uep->pipe) - return -EINVAL; + spin_lock_irqsave(&uep->lock, flags); + pipe = usbhsg_uep_to_pipe(uep); + if (!pipe) { + ret = -EINVAL; + goto out; + } usbhsg_pipe_disable(uep); + usbhs_pipe_free(pipe); uep->pipe->mod_private = NULL; uep->pipe = NULL; +out: + spin_unlock_irqrestore(&uep->lock, flags); + return 0; } @@ -665,10 +678,20 @@ static int usbhsg_ep_dequeue(struct usb_ep *ep, struct usb_request *req) { struct usbhsg_uep *uep = usbhsg_ep_to_uep(ep); struct usbhsg_request *ureq = usbhsg_req_to_ureq(req); - struct usbhs_pipe *pipe = usbhsg_uep_to_pipe(uep); + struct usbhs_pipe *pipe; + unsigned long flags; - usbhs_pkt_pop(pipe, usbhsg_ureq_to_pkt(ureq)); + spin_lock_irqsave(&uep->lock, flags); + pipe = usbhsg_uep_to_pipe(uep); + if (pipe) + usbhs_pkt_pop(pipe, usbhsg_ureq_to_pkt(ureq)); + + /* + * To dequeue a request, this driver should call the usbhsg_queue_pop() + * even if the pipe is NULL. + */ usbhsg_queue_pop(uep, ureq, -ECONNRESET); + spin_unlock_irqrestore(&uep->lock, flags); return 0; } @@ -795,10 +818,10 @@ static int usbhsg_try_stop(struct usbhs_priv *priv, u32 status) { struct usbhsg_gpriv *gpriv = usbhsg_priv_to_gpriv(priv); struct usbhs_mod *mod = usbhs_mod_get_current(priv); - struct usbhsg_uep *dcp = usbhsg_gpriv_to_dcp(gpriv); + struct usbhsg_uep *uep; struct device *dev = usbhs_priv_to_dev(priv); unsigned long flags; - int ret = 0; + int ret = 0, i; /******************** spin lock ********************/ usbhs_lock(priv, flags); @@ -830,7 +853,9 @@ static int usbhsg_try_stop(struct usbhs_priv *priv, u32 status) usbhs_sys_set_test_mode(priv, 0); usbhs_sys_function_ctrl(priv, 0); - usbhsg_ep_disable(&dcp->ep); + /* disable all eps */ + usbhsg_for_each_uep_with_dcp(uep, gpriv, i) + usbhsg_ep_disable(&uep->ep); dev_dbg(dev, "stop gadget\n"); @@ -950,6 +975,7 @@ int usbhs_mod_gadget_probe(struct usbhs_priv *priv) ret = -ENOMEM; goto usbhs_mod_gadget_probe_err_gpriv; } + spin_lock_init(&uep->lock); /* * CAUTION diff --git a/drivers/usb/renesas_usbhs/pipe.c b/drivers/usb/renesas_usbhs/pipe.c index 7926e1c700f1..aa611807661a 100644 --- a/drivers/usb/renesas_usbhs/pipe.c +++ b/drivers/usb/renesas_usbhs/pipe.c @@ -640,6 +640,11 @@ static struct usbhs_pipe *usbhsp_get_pipe(struct usbhs_priv *priv, u32 type) return pipe; } +static void usbhsp_put_pipe(struct usbhs_pipe *pipe) +{ + usbhsp_flags_init(pipe); +} + void usbhs_pipe_init(struct usbhs_priv *priv, int (*dma_map_ctrl)(struct usbhs_pkt *pkt, int map)) { @@ -726,6 +731,11 @@ struct usbhs_pipe *usbhs_pipe_malloc(struct usbhs_priv *priv, return pipe; } +void usbhs_pipe_free(struct usbhs_pipe *pipe) +{ + usbhsp_put_pipe(pipe); +} + void usbhs_pipe_select_fifo(struct usbhs_pipe *pipe, struct usbhs_fifo *fifo) { if (pipe->fifo) diff --git a/drivers/usb/renesas_usbhs/pipe.h b/drivers/usb/renesas_usbhs/pipe.h index 3e5349879838..406f36d050e4 100644 --- a/drivers/usb/renesas_usbhs/pipe.h +++ b/drivers/usb/renesas_usbhs/pipe.h @@ -75,6 +75,7 @@ struct usbhs_pipe_info { char *usbhs_pipe_name(struct usbhs_pipe *pipe); struct usbhs_pipe *usbhs_pipe_malloc(struct usbhs_priv *priv, int endpoint_type, int dir_in); +void usbhs_pipe_free(struct usbhs_pipe *pipe); int usbhs_pipe_probe(struct usbhs_priv *priv); void usbhs_pipe_remove(struct usbhs_priv *priv); int usbhs_pipe_is_dir_in(struct usbhs_pipe *pipe); diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c index 0786281108f6..8f8f4aed5fbb 100644 --- a/drivers/usb/serial/cp210x.c +++ b/drivers/usb/serial/cp210x.c @@ -135,6 +135,7 @@ static const struct usb_device_id id_table[] = { { USB_DEVICE(0x10C4, 0x8998) }, /* KCF Technologies PRN */ { USB_DEVICE(0x10C4, 0x8A2A) }, /* HubZ dual ZigBee and Z-Wave dongle */ { USB_DEVICE(0x10C4, 0x8A5E) }, /* CEL EM3588 ZigBee USB Stick Long Range */ + { USB_DEVICE(0x10C4, 0x8B34) }, /* Qivicon ZigBee USB Radio Stick */ { USB_DEVICE(0x10C4, 0xEA60) }, /* Silicon Labs factory default */ { USB_DEVICE(0x10C4, 0xEA61) }, /* Silicon Labs factory default */ { USB_DEVICE(0x10C4, 0xEA70) }, /* Silicon Labs factory default */ diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index 475104bb3395..9cd199cbac2e 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -2036,6 +2036,8 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE_INTERFACE_CLASS(0x2001, 0x7d04, 0xff) }, /* D-Link DWM-158 */ { USB_DEVICE_INTERFACE_CLASS(0x2001, 0x7e19, 0xff), /* D-Link DWM-221 B1 */ .driver_info = (kernel_ulong_t)&net_intf4_blacklist }, + { USB_DEVICE_INTERFACE_CLASS(0x2001, 0x7e35, 0xff), /* D-Link DWM-222 */ + .driver_info = (kernel_ulong_t)&net_intf4_blacklist }, { USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x3e01, 0xff, 0xff, 0xff) }, /* D-Link DWM-152/C1 */ { USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x3e02, 0xff, 0xff, 0xff) }, /* D-Link DWM-156/C1 */ { USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x7e11, 0xff, 0xff, 0xff) }, /* D-Link DWM-156/A3 */ diff --git a/drivers/usb/storage/isd200.c b/drivers/usb/storage/isd200.c index 599d8bff26c3..420e096ac09b 100644 --- a/drivers/usb/storage/isd200.c +++ b/drivers/usb/storage/isd200.c @@ -1522,8 +1522,11 @@ static void isd200_ata_command(struct scsi_cmnd *srb, struct us_data *us) /* Make sure driver was initialized */ - if (us->extra == NULL) + if (us->extra == NULL) { usb_stor_dbg(us, "ERROR Driver not initialized\n"); + srb->result = DID_ERROR << 16; + return; + } scsi_set_resid(srb, 0); /* scsi_bufflen might change in protocol translation to ata */ diff --git a/drivers/usb/storage/uas-detect.h b/drivers/usb/storage/uas-detect.h index f58caa9e6a27..a155cd02bce2 100644 --- a/drivers/usb/storage/uas-detect.h +++ b/drivers/usb/storage/uas-detect.h @@ -9,7 +9,8 @@ static int uas_is_interface(struct usb_host_interface *intf) intf->desc.bInterfaceProtocol == USB_PR_UAS); } -static int uas_find_uas_alt_setting(struct usb_interface *intf) +static struct usb_host_interface *uas_find_uas_alt_setting( + struct usb_interface *intf) { int i; @@ -17,10 +18,10 @@ static int uas_find_uas_alt_setting(struct usb_interface *intf) struct usb_host_interface *alt = &intf->altsetting[i]; if (uas_is_interface(alt)) - return alt->desc.bAlternateSetting; + return alt; } - return -ENODEV; + return NULL; } static int uas_find_endpoints(struct usb_host_interface *alt, @@ -58,14 +59,14 @@ static int uas_use_uas_driver(struct usb_interface *intf, struct usb_device *udev = interface_to_usbdev(intf); struct usb_hcd *hcd = bus_to_hcd(udev->bus); unsigned long flags = id->driver_info; - int r, alt; - + struct usb_host_interface *alt; + int r; alt = uas_find_uas_alt_setting(intf); - if (alt < 0) + if (!alt) return 0; - r = uas_find_endpoints(&intf->altsetting[alt], eps); + r = uas_find_endpoints(alt, eps); if (r < 0) return 0; diff --git a/drivers/usb/storage/uas.c b/drivers/usb/storage/uas.c index 88ccb9c6516e..87ecc65fe6e1 100644 --- a/drivers/usb/storage/uas.c +++ b/drivers/usb/storage/uas.c @@ -1034,14 +1034,14 @@ MODULE_DEVICE_TABLE(usb, uas_usb_ids); static int uas_switch_interface(struct usb_device *udev, struct usb_interface *intf) { - int alt; + struct usb_host_interface *alt; alt = uas_find_uas_alt_setting(intf); - if (alt < 0) - return alt; + if (!alt) + return -ENODEV; - return usb_set_interface(udev, - intf->altsetting[0].desc.bInterfaceNumber, alt); + return usb_set_interface(udev, alt->desc.bInterfaceNumber, + alt->desc.bAlternateSetting); } static int uas_configure_endpoints(struct uas_dev_info *devinfo) diff --git a/drivers/usb/storage/unusual_uas.h b/drivers/usb/storage/unusual_uas.h index d696eaf71cf9..8be79bef37af 100644 --- a/drivers/usb/storage/unusual_uas.h +++ b/drivers/usb/storage/unusual_uas.h @@ -113,9 +113,9 @@ UNUSUAL_DEV(0x0bc2, 0xab2a, 0x0000, 0x9999, /* Reported-by: Benjamin Tissoires <benjamin.tissoires@xxxxxxxxxx> */ UNUSUAL_DEV(0x13fd, 0x3940, 0x0000, 0x9999, "Initio Corporation", - "", + "INIC-3069", USB_SC_DEVICE, USB_PR_DEVICE, NULL, - US_FL_NO_ATA_1X), + US_FL_NO_ATA_1X | US_FL_IGNORE_RESIDUE), /* Reported-by: Tom Arild Naess <tanaess@xxxxxxxxx> */ UNUSUAL_DEV(0x152d, 0x0539, 0x0000, 0x9999, diff --git a/drivers/video/fbdev/Kconfig b/drivers/video/fbdev/Kconfig index 81ff9b68da3e..9ba9e285c4e5 100644 --- a/drivers/video/fbdev/Kconfig +++ b/drivers/video/fbdev/Kconfig @@ -2330,10 +2330,11 @@ config FB_MSM config FB_MX3 tristate "MX3 Framebuffer support" depends on FB && MX3_IPU + select BACKLIGHT_CLASS_DEVICE + select BACKLIGHT_LCD_SUPPORT select FB_CFB_FILLRECT select FB_CFB_COPYAREA select FB_CFB_IMAGEBLIT - select BACKLIGHT_CLASS_DEVICE default y help This is a framebuffer device for the i.MX31 LCD Controller. So diff --git a/fs/cifs/dir.c b/fs/cifs/dir.c index 619e30f103d0..a30006636796 100644 --- a/fs/cifs/dir.c +++ b/fs/cifs/dir.c @@ -183,15 +183,21 @@ build_path_from_dentry(struct dentry *direntry) } /* + * Don't allow path components longer than the server max. * Don't allow the separator character in a path component. * The VFS will not allow "/", but "\" is allowed by posix. */ static int -check_name(struct dentry *direntry) +check_name(struct dentry *direntry, struct cifs_tcon *tcon) { struct cifs_sb_info *cifs_sb = CIFS_SB(direntry->d_sb); int i; + if (unlikely(tcon->fsAttrInfo.MaxPathNameComponentLength && + direntry->d_name.len > + le32_to_cpu(tcon->fsAttrInfo.MaxPathNameComponentLength))) + return -ENAMETOOLONG; + if (!(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_POSIX_PATHS)) { for (i = 0; i < direntry->d_name.len; i++) { if (direntry->d_name.name[i] == '\\') { @@ -489,10 +495,6 @@ cifs_atomic_open(struct inode *inode, struct dentry *direntry, return finish_no_open(file, res); } - rc = check_name(direntry); - if (rc) - return rc; - xid = get_xid(); cifs_dbg(FYI, "parent inode = 0x%p name is: %s and dentry = 0x%p\n", @@ -505,6 +507,11 @@ cifs_atomic_open(struct inode *inode, struct dentry *direntry, } tcon = tlink_tcon(tlink); + + rc = check_name(direntry, tcon); + if (rc) + goto out; + server = tcon->ses->server; if (server->ops->new_lease_key) @@ -752,7 +759,7 @@ cifs_lookup(struct inode *parent_dir_inode, struct dentry *direntry, } pTcon = tlink_tcon(tlink); - rc = check_name(direntry); + rc = check_name(direntry, pTcon); if (rc) goto lookup_out; diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c index caa38395ec83..8add863a81fd 100644 --- a/fs/cifs/smb2pdu.c +++ b/fs/cifs/smb2pdu.c @@ -2486,8 +2486,8 @@ copy_fs_info_to_kstatfs(struct smb2_fs_full_size_info *pfs_inf, kst->f_bsize = le32_to_cpu(pfs_inf->BytesPerSector) * le32_to_cpu(pfs_inf->SectorsPerAllocationUnit); kst->f_blocks = le64_to_cpu(pfs_inf->TotalAllocationUnits); - kst->f_bfree = le64_to_cpu(pfs_inf->ActualAvailableAllocationUnits); - kst->f_bavail = le64_to_cpu(pfs_inf->CallerAvailableAllocationUnits); + kst->f_bfree = kst->f_bavail = + le64_to_cpu(pfs_inf->CallerAvailableAllocationUnits); return; } diff --git a/fs/cifs/smb2pdu.h b/fs/cifs/smb2pdu.h index 0de9d257fd92..2d5c6b4b840e 100644 --- a/fs/cifs/smb2pdu.h +++ b/fs/cifs/smb2pdu.h @@ -82,8 +82,8 @@ #define NUMBER_OF_SMB2_COMMANDS 0x0013 -/* BB FIXME - analyze following length BB */ -#define MAX_SMB2_HDR_SIZE 0x78 /* 4 len + 64 hdr + (2*24 wct) + 2 bct + 2 pad */ +/* 4 len + 52 transform hdr + 64 hdr + 56 create rsp */ +#define MAX_SMB2_HDR_SIZE 0x00b0 #define SMB2_PROTO_NUMBER __constant_cpu_to_le32(0x424d53fe) diff --git a/fs/eventpoll.c b/fs/eventpoll.c index 7bcfff900f05..feaa4cebeca8 100644 --- a/fs/eventpoll.c +++ b/fs/eventpoll.c @@ -518,8 +518,13 @@ static void ep_remove_wait_queue(struct eppoll_entry *pwq) wait_queue_head_t *whead; rcu_read_lock(); - /* If it is cleared by POLLFREE, it should be rcu-safe */ - whead = rcu_dereference(pwq->whead); + /* + * If it is cleared by POLLFREE, it should be rcu-safe. + * If we read NULL we need a barrier paired with + * smp_store_release() in ep_poll_callback(), otherwise + * we rely on whead->lock. + */ + whead = smp_load_acquire(&pwq->whead); if (whead) remove_wait_queue(whead, &pwq->wait); rcu_read_unlock(); @@ -1006,17 +1011,6 @@ static int ep_poll_callback(wait_queue_t *wait, unsigned mode, int sync, void *k struct epitem *epi = ep_item_from_wait(wait); struct eventpoll *ep = epi->ep; - if ((unsigned long)key & POLLFREE) { - ep_pwq_from_wait(wait)->whead = NULL; - /* - * whead = NULL above can race with ep_remove_wait_queue() - * which can do another remove_wait_queue() after us, so we - * can't use __remove_wait_queue(). whead->lock is held by - * the caller. - */ - list_del_init(&wait->task_list); - } - spin_lock_irqsave(&ep->lock, flags); /* @@ -1081,6 +1075,22 @@ static int ep_poll_callback(wait_queue_t *wait, unsigned mode, int sync, void *k if (pwake) ep_poll_safewake(&ep->poll_wait); + if ((unsigned long)key & POLLFREE) { + /* + * If we race with ep_remove_wait_queue() it can miss + * ->whead = NULL and do another remove_wait_queue() after + * us, so we can't use __remove_wait_queue(). + */ + list_del_init(&wait->task_list); + /* + * ->whead != NULL protects us from the race with ep_free() + * or ep_remove(), ep_remove_wait_queue() takes whead->lock + * held by the caller. Once we nullify it, nothing protects + * ep/epi or even wait. + */ + smp_store_release(&ep_pwq_from_wait(wait)->whead, NULL); + } + return 1; } diff --git a/fs/ext4/file.c b/fs/ext4/file.c index 9493a9fef2e1..c81044f51785 100644 --- a/fs/ext4/file.c +++ b/fs/ext4/file.c @@ -344,6 +344,8 @@ static int ext4_find_unwritten_pgoff(struct inode *inode, lastoff = page_offset(page); bh = head = page_buffers(page); do { + if (lastoff + bh->b_size <= startoff) + goto next; if (buffer_uptodate(bh) || buffer_unwritten(bh)) { if (whence == SEEK_DATA) @@ -358,6 +360,7 @@ static int ext4_find_unwritten_pgoff(struct inode *inode, unlock_page(page); goto out; } +next: lastoff += bh->b_size; bh = bh->b_this_page; } while (bh != head); diff --git a/fs/ext4/resize.c b/fs/ext4/resize.c index d534e589949b..74db6d94bc55 100644 --- a/fs/ext4/resize.c +++ b/fs/ext4/resize.c @@ -1929,7 +1929,8 @@ int ext4_resize_fs(struct super_block *sb, ext4_fsblk_t n_blocks_count) n_desc_blocks = o_desc_blocks + le16_to_cpu(es->s_reserved_gdt_blocks); n_group = n_desc_blocks * EXT4_DESC_PER_BLOCK(sb); - n_blocks_count = n_group * EXT4_BLOCKS_PER_GROUP(sb); + n_blocks_count = (ext4_fsblk_t)n_group * + EXT4_BLOCKS_PER_GROUP(sb); n_group--; /* set to last group number */ } diff --git a/fs/fuse/file.c b/fs/fuse/file.c index d583c976fff2..ab9fad6fb6b1 100644 --- a/fs/fuse/file.c +++ b/fs/fuse/file.c @@ -54,7 +54,7 @@ struct fuse_file *fuse_file_alloc(struct fuse_conn *fc) { struct fuse_file *ff; - ff = kmalloc(sizeof(struct fuse_file), GFP_KERNEL); + ff = kzalloc(sizeof(struct fuse_file), GFP_KERNEL); if (unlikely(!ff)) return NULL; diff --git a/fs/gfs2/dir.c b/fs/gfs2/dir.c index 5d4261ff5d23..f3508f4583d5 100644 --- a/fs/gfs2/dir.c +++ b/fs/gfs2/dir.c @@ -749,12 +749,15 @@ static int get_leaf_nr(struct gfs2_inode *dip, u32 index, u64 *leaf_out) { __be64 *hash; + int error; hash = gfs2_dir_get_hash_table(dip); - if (IS_ERR(hash)) - return PTR_ERR(hash); - *leaf_out = be64_to_cpu(*(hash + index)); - return 0; + error = PTR_ERR_OR_ZERO(hash); + + if (!error) + *leaf_out = be64_to_cpu(*(hash + index)); + + return error; } static int get_first_leaf(struct gfs2_inode *dip, u32 index, diff --git a/fs/nfs/client.c b/fs/nfs/client.c index a6bb3486841a..9f2d8afaa34b 100644 --- a/fs/nfs/client.c +++ b/fs/nfs/client.c @@ -931,6 +931,7 @@ void nfs_server_copy_userdata(struct nfs_server *target, struct nfs_server *sour target->caps = source->caps; target->options = source->options; target->auth_info = source->auth_info; + target->port = source->port; } EXPORT_SYMBOL_GPL(nfs_server_copy_userdata); diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c index bc0b674c2a68..2a89aea2fb85 100644 --- a/fs/nfsd/nfs4xdr.c +++ b/fs/nfsd/nfs4xdr.c @@ -134,7 +134,7 @@ static void next_decode_page(struct nfsd4_compoundargs *argp) argp->p = page_address(argp->pagelist[0]); argp->pagelist++; if (argp->pagelen < PAGE_SIZE) { - argp->end = argp->p + (argp->pagelen>>2); + argp->end = argp->p + XDR_QUADLEN(argp->pagelen); argp->pagelen = 0; } else { argp->end = argp->p + (PAGE_SIZE>>2); @@ -1246,9 +1246,7 @@ nfsd4_decode_write(struct nfsd4_compoundargs *argp, struct nfsd4_write *write) argp->pagelen -= pages * PAGE_SIZE; len -= pages * PAGE_SIZE; - argp->p = (__be32 *)page_address(argp->pagelist[0]); - argp->pagelist++; - argp->end = argp->p + XDR_QUADLEN(PAGE_SIZE); + next_decode_page(argp); } argp->p += XDR_QUADLEN(len); diff --git a/fs/nilfs2/btree.c b/fs/nilfs2/btree.c index 090d8ce25bd1..250db0862ca6 100644 --- a/fs/nilfs2/btree.c +++ b/fs/nilfs2/btree.c @@ -1797,7 +1797,7 @@ int nilfs_btree_convert_and_insert(struct nilfs_bmap *btree, __u64 key, __u64 ptr, const __u64 *keys, const __u64 *ptrs, int n) { - struct buffer_head *bh; + struct buffer_head *bh = NULL; union nilfs_bmap_ptr_req dreq, nreq, *di, *ni; struct nilfs_bmap_stats stats; int ret; diff --git a/fs/nilfs2/recovery.c b/fs/nilfs2/recovery.c index ff00a0b7acb9..9b4f205d1173 100644 --- a/fs/nilfs2/recovery.c +++ b/fs/nilfs2/recovery.c @@ -582,7 +582,7 @@ static int nilfs_do_roll_forward(struct the_nilfs *nilfs, struct nilfs_recovery_info *ri) { struct buffer_head *bh_sum = NULL; - struct nilfs_segment_summary *sum; + struct nilfs_segment_summary *sum = NULL; sector_t pseg_start; sector_t seg_start, seg_end; /* Starting/ending DBN of full segment */ unsigned long nsalvaged_blocks = 0; @@ -814,7 +814,7 @@ int nilfs_search_super_root(struct the_nilfs *nilfs, struct nilfs_recovery_info *ri) { struct buffer_head *bh_sum = NULL; - struct nilfs_segment_summary *sum; + struct nilfs_segment_summary *sum = NULL; sector_t pseg_start, pseg_end, sr_pseg_start = 0; sector_t seg_start, seg_end; /* range of full segment (block number) */ sector_t b, end; diff --git a/fs/nilfs2/super.c b/fs/nilfs2/super.c index 8c532b2ca3ab..f635ccfc3bdf 100644 --- a/fs/nilfs2/super.c +++ b/fs/nilfs2/super.c @@ -358,7 +358,7 @@ static int nilfs_move_2nd_super(struct super_block *sb, loff_t sb2off) struct nilfs_super_block *nsbp; sector_t blocknr, newblocknr; unsigned long offset; - int sb2i = -1; /* array index of the secondary superblock */ + int sb2i; /* array index of the secondary superblock */ int ret = 0; /* nilfs->ns_sem must be locked by the caller. */ @@ -369,6 +369,9 @@ static int nilfs_move_2nd_super(struct super_block *sb, loff_t sb2off) } else if (nilfs->ns_sbh[0]->b_blocknr > nilfs->ns_first_data_block) { sb2i = 0; blocknr = nilfs->ns_sbh[0]->b_blocknr; + } else { + sb2i = -1; + blocknr = 0; } if (sb2i >= 0 && (u64)blocknr << nilfs->ns_blocksize_bits == sb2off) goto out; /* super block location is unchanged */ diff --git a/fs/ocfs2/acl.c b/fs/ocfs2/acl.c index 293ab80f3fe2..776aa6cfb6e2 100644 --- a/fs/ocfs2/acl.c +++ b/fs/ocfs2/acl.c @@ -240,19 +240,6 @@ int ocfs2_set_acl(handle_t *handle, switch (type) { case ACL_TYPE_ACCESS: name_index = OCFS2_XATTR_INDEX_POSIX_ACL_ACCESS; - if (acl) { - umode_t mode; - ret = posix_acl_update_mode(inode, &mode, &acl); - if (ret) - return ret; - else { - ret = ocfs2_acl_set_mode(inode, di_bh, - handle, mode); - if (ret) - return ret; - - } - } break; case ACL_TYPE_DEFAULT: name_index = OCFS2_XATTR_INDEX_POSIX_ACL_DEFAULT; @@ -283,6 +270,20 @@ int ocfs2_set_acl(handle_t *handle, int ocfs2_iop_set_acl(struct inode *inode, struct posix_acl *acl, int type) { + int status; + + if (type == ACL_TYPE_ACCESS && acl) { + umode_t mode; + + status = posix_acl_update_mode(inode, &mode, &acl); + if (status) + return status; + + status = ocfs2_acl_set_mode(inode, NULL, NULL, mode); + if (status) + return status; + } + return ocfs2_set_acl(NULL, inode, NULL, type, acl, NULL, NULL); } diff --git a/fs/xfs/xfs_ialloc.c b/fs/xfs/xfs_ialloc.c index 5960e5593fe0..d64a18db9bef 100644 --- a/fs/xfs/xfs_ialloc.c +++ b/fs/xfs/xfs_ialloc.c @@ -854,13 +854,13 @@ xfs_dialloc_ag_inobt( /* free inodes to the left? */ if (useleft && trec.ir_freecount) { - rec = trec; xfs_btree_del_cursor(cur, XFS_BTREE_NOERROR); cur = tcur; pag->pagl_leftrec = trec.ir_startino; pag->pagl_rightrec = rec.ir_startino; pag->pagl_pagino = pagino; + rec = trec; goto alloc_inode; } diff --git a/include/asm-generic/topology.h b/include/asm-generic/topology.h index fc824e2828f3..5d2add1a6c96 100644 --- a/include/asm-generic/topology.h +++ b/include/asm-generic/topology.h @@ -48,7 +48,11 @@ #define parent_node(node) ((void)(node),0) #endif #ifndef cpumask_of_node -#define cpumask_of_node(node) ((void)node, cpu_online_mask) + #ifdef CONFIG_NEED_MULTIPLE_NODES + #define cpumask_of_node(node) ((node) == 0 ? cpu_online_mask : cpu_none_mask) + #else + #define cpumask_of_node(node) ((void)node, cpu_online_mask) + #endif #endif #ifndef pcibus_to_node #define pcibus_to_node(bus) ((void)(bus), -1) diff --git a/include/linux/cpumask.h b/include/linux/cpumask.h index 0e0f3a4e8844..c1028e67c5dc 100644 --- a/include/linux/cpumask.h +++ b/include/linux/cpumask.h @@ -142,10 +142,8 @@ static inline unsigned int cpumask_any_but(const struct cpumask *mask, return 1; } -static inline int cpumask_set_cpu_local_first(int i, int numa_node, cpumask_t *dstp) +static inline unsigned int cpumask_local_spread(unsigned int i, int node) { - set_bit(0, cpumask_bits(dstp)); - return 0; } @@ -199,7 +197,7 @@ static inline unsigned int cpumask_next_zero(int n, const struct cpumask *srcp) int cpumask_next_and(int n, const struct cpumask *, const struct cpumask *); int cpumask_any_but(const struct cpumask *mask, unsigned int cpu); -int cpumask_set_cpu_local_first(int i, int numa_node, cpumask_t *dstp); +unsigned int cpumask_local_spread(unsigned int i, int node); /** * for_each_cpu - iterate over every cpu in a mask diff --git a/include/linux/device-mapper.h b/include/linux/device-mapper.h index c51706b7a36e..3d1c67b63d68 100644 --- a/include/linux/device-mapper.h +++ b/include/linux/device-mapper.h @@ -481,56 +481,32 @@ void *dm_vcalloc(unsigned long nmemb, unsigned long elem_size); *---------------------------------------------------------------*/ #define DM_NAME "device-mapper" -#ifdef CONFIG_PRINTK -extern struct ratelimit_state dm_ratelimit_state; - -#define dm_ratelimit() __ratelimit(&dm_ratelimit_state) -#else -#define dm_ratelimit() 0 -#endif - -#define DMCRIT(f, arg...) \ - printk(KERN_CRIT DM_NAME ": " DM_MSG_PREFIX ": " f "\n", ## arg) - -#define DMERR(f, arg...) \ - printk(KERN_ERR DM_NAME ": " DM_MSG_PREFIX ": " f "\n", ## arg) -#define DMERR_LIMIT(f, arg...) \ - do { \ - if (dm_ratelimit()) \ - printk(KERN_ERR DM_NAME ": " DM_MSG_PREFIX ": " \ - f "\n", ## arg); \ - } while (0) - -#define DMWARN(f, arg...) \ - printk(KERN_WARNING DM_NAME ": " DM_MSG_PREFIX ": " f "\n", ## arg) -#define DMWARN_LIMIT(f, arg...) \ - do { \ - if (dm_ratelimit()) \ - printk(KERN_WARNING DM_NAME ": " DM_MSG_PREFIX ": " \ - f "\n", ## arg); \ - } while (0) - -#define DMINFO(f, arg...) \ - printk(KERN_INFO DM_NAME ": " DM_MSG_PREFIX ": " f "\n", ## arg) -#define DMINFO_LIMIT(f, arg...) \ - do { \ - if (dm_ratelimit()) \ - printk(KERN_INFO DM_NAME ": " DM_MSG_PREFIX ": " f \ - "\n", ## arg); \ - } while (0) +#define DM_RATELIMIT(pr_func, fmt, ...) \ +do { \ + static DEFINE_RATELIMIT_STATE(rs, DEFAULT_RATELIMIT_INTERVAL, \ + DEFAULT_RATELIMIT_BURST); \ + \ + if (__ratelimit(&rs)) \ + pr_func(DM_FMT(fmt), ##__VA_ARGS__); \ +} while (0) + +#define DM_FMT(fmt) DM_NAME ": " DM_MSG_PREFIX ": " fmt "\n" + +#define DMCRIT(fmt, ...) pr_crit(DM_FMT(fmt), ##__VA_ARGS__) + +#define DMERR(fmt, ...) pr_err(DM_FMT(fmt), ##__VA_ARGS__) +#define DMERR_LIMIT(fmt, ...) DM_RATELIMIT(pr_err, fmt, ##__VA_ARGS__) +#define DMWARN(fmt, ...) pr_warn(DM_FMT(fmt), ##__VA_ARGS__) +#define DMWARN_LIMIT(fmt, ...) DM_RATELIMIT(pr_warn, fmt, ##__VA_ARGS__) +#define DMINFO(fmt, ...) pr_info(DM_FMT(fmt), ##__VA_ARGS__) +#define DMINFO_LIMIT(fmt, ...) DM_RATELIMIT(pr_info, fmt, ##__VA_ARGS__) #ifdef CONFIG_DM_DEBUG -# define DMDEBUG(f, arg...) \ - printk(KERN_DEBUG DM_NAME ": " DM_MSG_PREFIX " DEBUG: " f "\n", ## arg) -# define DMDEBUG_LIMIT(f, arg...) \ - do { \ - if (dm_ratelimit()) \ - printk(KERN_DEBUG DM_NAME ": " DM_MSG_PREFIX ": " f \ - "\n", ## arg); \ - } while (0) +#define DMDEBUG(fmt, ...) printk(KERN_DEBUG DM_FMT(fmt), ##__VA_ARGS__) +#define DMDEBUG_LIMIT(fmt, ...) DM_RATELIMIT(pr_debug, fmt, ##__VA_ARGS__) #else -# define DMDEBUG(f, arg...) do {} while (0) -# define DMDEBUG_LIMIT(f, arg...) do {} while (0) +#define DMDEBUG(fmt, ...) no_printk(fmt, ##__VA_ARGS__) +#define DMDEBUG_LIMIT(fmt, ...) no_printk(fmt, ##__VA_ARGS__) #endif #define DMEMIT(x...) sz += ((sz >= maxlen) ? \ diff --git a/include/linux/fs.h b/include/linux/fs.h index da912e6cd2ea..d594f0fbc41a 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -809,9 +809,9 @@ static inline struct file *get_file(struct file *f) /* Page cache limit. The filesystems should put that into their s_maxbytes limits, otherwise bad things can happen in VM. */ #if BITS_PER_LONG==32 -#define MAX_LFS_FILESIZE (((loff_t)PAGE_CACHE_SIZE << (BITS_PER_LONG-1))-1) +#define MAX_LFS_FILESIZE ((loff_t)ULONG_MAX << PAGE_SHIFT) #elif BITS_PER_LONG==64 -#define MAX_LFS_FILESIZE ((loff_t)0x7fffffffffffffffLL) +#define MAX_LFS_FILESIZE ((loff_t)LLONG_MAX) #endif #define FL_POSIX 1 diff --git a/include/linux/ftrace_event.h b/include/linux/ftrace_event.h index cff3106ffe2c..c817d7938b4b 100644 --- a/include/linux/ftrace_event.h +++ b/include/linux/ftrace_event.h @@ -621,7 +621,7 @@ extern int ftrace_profile_set_filter(struct perf_event *event, int event_id, char *filter_str); extern void ftrace_profile_free_filter(struct perf_event *event); extern void *perf_trace_buf_prepare(int size, unsigned short type, - struct pt_regs *regs, int *rctxp); + struct pt_regs **regs, int *rctxp); static inline void perf_trace_buf_submit(void *raw_data, int size, int rctx, u64 addr, diff --git a/include/linux/gpio/driver.h b/include/linux/gpio/driver.h index 573e4f3243d0..ca3024554a2d 100644 --- a/include/linux/gpio/driver.h +++ b/include/linux/gpio/driver.h @@ -141,7 +141,7 @@ extern const char *gpiochip_is_requested(struct gpio_chip *chip, /* add/remove chips */ extern int gpiochip_add(struct gpio_chip *chip); -extern int __must_check gpiochip_remove(struct gpio_chip *chip); +extern int gpiochip_remove(struct gpio_chip *chip); extern struct gpio_chip *gpiochip_find(void *data, int (*match)(struct gpio_chip *chip, void *data)); diff --git a/include/linux/mlx4/device.h b/include/linux/mlx4/device.h index 48ddabb261bc..61c043c449cb 100644 --- a/include/linux/mlx4/device.h +++ b/include/linux/mlx4/device.h @@ -467,6 +467,7 @@ struct mlx4_caps { u16 hca_core_clock; u64 phys_port_id[MLX4_MAX_PORTS + 1]; int tunnel_offload_mode; + bool wol_port[MLX4_MAX_PORTS + 1]; }; struct mlx4_buf_list { diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h index 96c5750e3110..761fc630f150 100644 --- a/include/linux/mm_types.h +++ b/include/linux/mm_types.h @@ -451,7 +451,7 @@ struct mm_struct { * can move process memory needs to flush the TLB when moving a * PROT_NONE or PROT_NUMA mapped page. */ - bool tlb_flush_pending; + atomic_t tlb_flush_pending; #endif struct uprobes_state uprobes_state; }; @@ -479,33 +479,46 @@ static inline cpumask_t *mm_cpumask(struct mm_struct *mm) static inline bool mm_tlb_flush_pending(struct mm_struct *mm) { barrier(); - return mm->tlb_flush_pending; + return atomic_read(&mm->tlb_flush_pending) > 0; } -static inline void set_tlb_flush_pending(struct mm_struct *mm) + +static inline void init_tlb_flush_pending(struct mm_struct *mm) { - mm->tlb_flush_pending = true; + atomic_set(&mm->tlb_flush_pending, 0); +} + +static inline void inc_tlb_flush_pending(struct mm_struct *mm) +{ + atomic_inc(&mm->tlb_flush_pending); /* - * Guarantee that the tlb_flush_pending store does not leak into the + * Guarantee that the tlb_flush_pending increase does not leak into the * critical section updating the page tables */ smp_mb__before_spinlock(); } + /* Clearing is done after a TLB flush, which also provides a barrier. */ -static inline void clear_tlb_flush_pending(struct mm_struct *mm) +static inline void dec_tlb_flush_pending(struct mm_struct *mm) { barrier(); - mm->tlb_flush_pending = false; + atomic_dec(&mm->tlb_flush_pending); } #else static inline bool mm_tlb_flush_pending(struct mm_struct *mm) { return false; } -static inline void set_tlb_flush_pending(struct mm_struct *mm) + +static inline void init_tlb_flush_pending(struct mm_struct *mm) { } -static inline void clear_tlb_flush_pending(struct mm_struct *mm) + +static inline void inc_tlb_flush_pending(struct mm_struct *mm) +{ +} + +static inline void dec_tlb_flush_pending(struct mm_struct *mm) { } #endif diff --git a/include/linux/module.h b/include/linux/module.h index f520a767c86c..ac1e65afc5a1 100644 --- a/include/linux/module.h +++ b/include/linux/module.h @@ -135,7 +135,7 @@ void trim_init_extable(struct module *m); #ifdef MODULE /* Creates an alias so file2alias.c can find device table. */ #define MODULE_DEVICE_TABLE(type, name) \ - extern const struct type##_device_id __mod_##type##__##name##_device_table \ +extern const typeof(name) __mod_##type##__##name##_device_table \ __attribute__ ((unused, alias(__stringify(name)))) #else /* !MODULE */ #define MODULE_DEVICE_TABLE(type, name) diff --git a/include/linux/mtd/map.h b/include/linux/mtd/map.h index b501e9cd7d3e..db1dba23aed2 100644 --- a/include/linux/mtd/map.h +++ b/include/linux/mtd/map.h @@ -317,7 +317,17 @@ static inline map_word map_word_or(struct map_info *map, map_word val1, map_word return r; } -#define map_word_andequal(m, a, b, z) map_word_equal(m, z, map_word_and(m, a, b)) +static inline int map_word_andequal(struct map_info *map, map_word val1, map_word val2, map_word val3) +{ + int i; + + for (i = 0; i < map_words(map); i++) { + if ((val1.x[i] & val2.x[i]) != val3.x[i]) + return 0; + } + + return 1; +} static inline int map_word_bitsset(struct map_info *map, map_word val1, map_word val2) { diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h index 7e8445e9dcbf..d86153fef0e0 100644 --- a/include/linux/perf_event.h +++ b/include/linux/perf_event.h @@ -642,6 +642,7 @@ static inline int is_software_event(struct perf_event *event) extern struct static_key perf_swevent_enabled[PERF_COUNT_SW_MAX]; +extern void ___perf_sw_event(u32, u64, struct pt_regs *, u64); extern void __perf_sw_event(u32, u64, struct pt_regs *, u64); #ifndef perf_arch_fetch_caller_regs @@ -666,14 +667,25 @@ static inline void perf_fetch_caller_regs(struct pt_regs *regs) static __always_inline void perf_sw_event(u32 event_id, u64 nr, struct pt_regs *regs, u64 addr) { - struct pt_regs hot_regs; + if (static_key_false(&perf_swevent_enabled[event_id])) + __perf_sw_event(event_id, nr, regs, addr); +} + +DECLARE_PER_CPU(struct pt_regs, __perf_regs[4]); +/* + * 'Special' version for the scheduler, it hard assumes no recursion, + * which is guaranteed by us not actually scheduling inside other swevents + * because those disable preemption. + */ +static __always_inline void +perf_sw_event_sched(u32 event_id, u64 nr, u64 addr) +{ if (static_key_false(&perf_swevent_enabled[event_id])) { - if (!regs) { - perf_fetch_caller_regs(&hot_regs); - regs = &hot_regs; - } - __perf_sw_event(event_id, nr, regs, addr); + struct pt_regs *regs = this_cpu_ptr(&__perf_regs[0]); + + perf_fetch_caller_regs(regs); + ___perf_sw_event(event_id, nr, regs, addr); } } @@ -689,7 +701,7 @@ static inline void perf_event_task_sched_in(struct task_struct *prev, static inline void perf_event_task_sched_out(struct task_struct *prev, struct task_struct *next) { - perf_sw_event(PERF_COUNT_SW_CONTEXT_SWITCHES, 1, NULL, 0); + perf_sw_event_sched(PERF_COUNT_SW_CONTEXT_SWITCHES, 1, 0); if (static_key_false(&perf_sched_events.key)) __perf_event_task_sched_out(prev, next); @@ -800,6 +812,8 @@ static inline int perf_event_refresh(struct perf_event *event, int refresh) static inline void perf_sw_event(u32 event_id, u64 nr, struct pt_regs *regs, u64 addr) { } static inline void +perf_sw_event_sched(u32 event_id, u64 nr, u64 addr) { } +static inline void perf_bp_event(struct perf_event *event, void *data) { } static inline int perf_register_guest_info_callbacks diff --git a/include/linux/workqueue.h b/include/linux/workqueue.h index 9eb54f41623e..fa25f353f985 100644 --- a/include/linux/workqueue.h +++ b/include/linux/workqueue.h @@ -315,6 +315,7 @@ enum { __WQ_DRAINING = 1 << 16, /* internal: workqueue is draining */ __WQ_ORDERED = 1 << 17, /* internal: workqueue is ordered */ + __WQ_ORDERED_EXPLICIT = 1 << 18, /* internal: alloc_ordered_workqueue() */ WQ_MAX_ACTIVE = 512, /* I like 512, better ideas? */ WQ_MAX_UNBOUND_PER_CPU = 4, /* 4 * #cpus for unbound wq */ @@ -412,7 +413,8 @@ __alloc_workqueue_key(const char *fmt, unsigned int flags, int max_active, * Pointer to the allocated workqueue on success, %NULL on failure. */ #define alloc_ordered_workqueue(fmt, flags, args...) \ - alloc_workqueue(fmt, WQ_UNBOUND | __WQ_ORDERED | (flags), 1, ##args) + alloc_workqueue(fmt, WQ_UNBOUND | __WQ_ORDERED | \ + __WQ_ORDERED_EXPLICIT | (flags), 1, ##args) #define create_workqueue(name) \ alloc_workqueue("%s", WQ_MEM_RECLAIM, 1, (name)) diff --git a/include/net/dst.h b/include/net/dst.h index 0fb99a26e973..673e69d1d7be 100644 --- a/include/net/dst.h +++ b/include/net/dst.h @@ -105,16 +105,25 @@ struct dst_entry { }; }; +void *dst_alloc_metrics(gfp_t flags); +void dst_free_metrics(void *metrics); u32 *dst_cow_metrics_generic(struct dst_entry *dst, unsigned long old); -extern const u32 dst_default_metrics[]; #define DST_METRICS_READ_ONLY 0x1UL #define DST_METRICS_FORCE_OVERWRITE 0x2UL -#define DST_METRICS_FLAGS 0x3UL +#define DST_METRICS_REFCOUNTED 0x4UL +#define DST_METRICS_FLAGS 0x7UL +#define DST_METRICS_ALIGNMENT 0x8UL #define __DST_METRICS_PTR(Y) \ ((u32 *)((Y) & ~DST_METRICS_FLAGS)) #define DST_METRICS_PTR(X) __DST_METRICS_PTR((X)->_metrics) +struct dst_metrics { + u32 metrics[RTAX_MAX]; + atomic_t refcnt; +} __aligned(DST_METRICS_ALIGNMENT); +extern const struct dst_metrics dst_default_metrics; + static inline bool dst_metrics_read_only(const struct dst_entry *dst) { return dst->_metrics & DST_METRICS_READ_ONLY; diff --git a/include/net/ip6_fib.h b/include/net/ip6_fib.h index cf485f9aa563..c09a71789868 100644 --- a/include/net/ip6_fib.h +++ b/include/net/ip6_fib.h @@ -66,6 +66,7 @@ struct fib6_node { __u16 fn_flags; __u32 fn_sernum; struct rt6_info *rr_ptr; + struct rcu_head rcu; }; #ifndef CONFIG_IPV6_SUBTREES @@ -95,7 +96,7 @@ struct rt6_info { * the same cache line. */ struct fib6_table *rt6i_table; - struct fib6_node *rt6i_node; + struct fib6_node __rcu *rt6i_node; struct in6_addr rt6i_gateway; @@ -193,6 +194,38 @@ static inline void rt6_set_from(struct rt6_info *rt, struct rt6_info *from) rt->dst.from = new; } +/* Function to safely get fn->sernum for passed in rt + * and store result in passed in cookie. + * Return true if we can get cookie safely + * Return false if not + */ +static inline bool rt6_get_cookie_safe(const struct rt6_info *rt, + u32 *cookie) +{ + struct fib6_node *fn; + bool status = false; + + rcu_read_lock(); + fn = rcu_dereference(rt->rt6i_node); + + if (fn) { + *cookie = fn->fn_sernum; + status = true; + } + + rcu_read_unlock(); + return status; +} + +static inline u32 rt6_get_cookie(const struct rt6_info *rt) +{ + u32 cookie = 0; + + rt6_get_cookie_safe(rt, &cookie); + + return cookie; +} + static inline void ip6_rt_put(struct rt6_info *rt) { /* dst_release() accepts a NULL parameter. diff --git a/include/net/ip6_route.h b/include/net/ip6_route.h index 2e765849ccd6..cea379c35a06 100644 --- a/include/net/ip6_route.h +++ b/include/net/ip6_route.h @@ -146,7 +146,7 @@ static inline void __ip6_dst_store(struct sock *sk, struct dst_entry *dst, #ifdef CONFIG_IPV6_SUBTREES np->saddr_cache = saddr; #endif - np->dst_cookie = rt->rt6i_node ? rt->rt6i_node->fn_sernum : 0; + np->dst_cookie = rt6_get_cookie(rt); } static inline void ip6_dst_store(struct sock *sk, struct dst_entry *dst, diff --git a/include/net/ip_fib.h b/include/net/ip_fib.h index fac652dc6852..fc7014fe8ee3 100644 --- a/include/net/ip_fib.h +++ b/include/net/ip_fib.h @@ -108,11 +108,11 @@ struct fib_info { unsigned char fib_type; __be32 fib_prefsrc; u32 fib_priority; - u32 *fib_metrics; -#define fib_mtu fib_metrics[RTAX_MTU-1] -#define fib_window fib_metrics[RTAX_WINDOW-1] -#define fib_rtt fib_metrics[RTAX_RTT-1] -#define fib_advmss fib_metrics[RTAX_ADVMSS-1] + struct dst_metrics *fib_metrics; +#define fib_mtu fib_metrics->metrics[RTAX_MTU-1] +#define fib_window fib_metrics->metrics[RTAX_WINDOW-1] +#define fib_rtt fib_metrics->metrics[RTAX_RTT-1] +#define fib_advmss fib_metrics->metrics[RTAX_ADVMSS-1] int fib_nhs; #ifdef CONFIG_IP_ROUTE_MULTIPATH int fib_power; diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h index ee2060f507b7..513aecb66565 100644 --- a/include/net/sch_generic.h +++ b/include/net/sch_generic.h @@ -618,8 +618,11 @@ static inline struct Qdisc *qdisc_replace(struct Qdisc *sch, struct Qdisc *new, old = *pold; *pold = new; if (old != NULL) { - qdisc_tree_reduce_backlog(old, old->q.qlen, old->qstats.backlog); + unsigned int qlen = old->q.qlen; + unsigned int backlog = old->qstats.backlog; + qdisc_reset(old); + qdisc_tree_reduce_backlog(old, qlen, backlog); } sch_tree_unlock(sch); diff --git a/include/net/sctp/sctp.h b/include/net/sctp/sctp.h index a95d237579d6..6c9979b24eba 100644 --- a/include/net/sctp/sctp.h +++ b/include/net/sctp/sctp.h @@ -448,6 +448,8 @@ _sctp_walk_params((pos), (chunk), ntohs((chunk)->chunk_hdr.length), member) #define _sctp_walk_params(pos, chunk, end, member)\ for (pos.v = chunk->member;\ + (pos.v + offsetof(struct sctp_paramhdr, length) + sizeof(pos.p->length) <=\ + (void *)chunk + end) &&\ pos.v <= (void *)chunk + end - ntohs(pos.p->length) &&\ ntohs(pos.p->length) >= sizeof(sctp_paramhdr_t);\ pos.v += WORD_ROUND(ntohs(pos.p->length))) @@ -458,6 +460,8 @@ _sctp_walk_errors((err), (chunk_hdr), ntohs((chunk_hdr)->length)) #define _sctp_walk_errors(err, chunk_hdr, end)\ for (err = (sctp_errhdr_t *)((void *)chunk_hdr + \ sizeof(sctp_chunkhdr_t));\ + ((void *)err + offsetof(sctp_errhdr_t, length) + sizeof(err->length) <=\ + (void *)chunk_hdr + end) &&\ (void *)err <= (void *)chunk_hdr + end - ntohs(err->length) &&\ ntohs(err->length) >= sizeof(sctp_errhdr_t); \ err = (sctp_errhdr_t *)((void *)err + WORD_ROUND(ntohs(err->length)))) diff --git a/include/rdma/ib_addr.h b/include/rdma/ib_addr.h index ce55906b54a0..bc45acc195b1 100644 --- a/include/rdma/ib_addr.h +++ b/include/rdma/ib_addr.h @@ -184,10 +184,14 @@ static inline void iboe_addr_get_sgid(struct rdma_dev_addr *dev_addr, dev = dev_get_by_index(&init_net, dev_addr->bound_dev_if); if (dev) { - ip4 = (struct in_device *)dev->ip_ptr; + ip4 = in_dev_get(dev); if (ip4 && ip4->ifa_list && ip4->ifa_list->ifa_address) ipv6_addr_set_v4mapped(ip4->ifa_list->ifa_address, (struct in6_addr *)gid); + + if (ip4) + in_dev_put(ip4); + dev_put(dev); } } diff --git a/include/trace/ftrace.h b/include/trace/ftrace.h index 26b4f2e13275..bb1f5d82ad49 100644 --- a/include/trace/ftrace.h +++ b/include/trace/ftrace.h @@ -765,7 +765,7 @@ perf_trace_##call(void *__data, proto) \ struct ftrace_event_call *event_call = __data; \ struct ftrace_data_offsets_##call __maybe_unused __data_offsets;\ struct ftrace_raw_##call *entry; \ - struct pt_regs __regs; \ + struct pt_regs *__regs; \ u64 __addr = 0, __count = 1; \ struct task_struct *__task = NULL; \ struct hlist_head *head; \ @@ -784,18 +784,19 @@ perf_trace_##call(void *__data, proto) \ sizeof(u64)); \ __entry_size -= sizeof(u32); \ \ - perf_fetch_caller_regs(&__regs); \ entry = perf_trace_buf_prepare(__entry_size, \ event_call->event.type, &__regs, &rctx); \ if (!entry) \ return; \ \ + perf_fetch_caller_regs(__regs); \ + \ tstruct \ \ { assign; } \ \ perf_trace_buf_submit(entry, __entry_size, rctx, __addr, \ - __count, &__regs, head, __task); \ + __count, __regs, head, __task); \ } /* diff --git a/include/uapi/linux/usb/ch9.h b/include/uapi/linux/usb/ch9.h index a81f5473a801..21c1871c6d23 100644 --- a/include/uapi/linux/usb/ch9.h +++ b/include/uapi/linux/usb/ch9.h @@ -724,6 +724,7 @@ struct usb_interface_assoc_descriptor { __u8 iFunction; } __attribute__ ((packed)); +#define USB_DT_INTERFACE_ASSOCIATION_SIZE 8 /*-------------------------------------------------------------------------*/ diff --git a/kernel/audit_watch.c b/kernel/audit_watch.c index 70b4554d2fbe..4593b56339e4 100644 --- a/kernel/audit_watch.c +++ b/kernel/audit_watch.c @@ -455,13 +455,15 @@ void audit_remove_watch_rule(struct audit_krule *krule) list_del(&krule->rlist); if (list_empty(&watch->rules)) { + /* + * audit_remove_watch() drops our reference to 'parent' which + * can get freed. Grab our own reference to be safe. + */ + audit_get_parent(parent); audit_remove_watch(watch); - - if (list_empty(&parent->watches)) { - audit_get_parent(parent); + if (list_empty(&parent->watches)) fsnotify_destroy_mark(&parent->mark, audit_watch_group); - audit_put_parent(parent); - } + audit_put_parent(parent); } } diff --git a/kernel/events/core.c b/kernel/events/core.c index c1c6d24b5275..3598754bfab3 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -3565,50 +3565,77 @@ u64 perf_event_read_value(struct perf_event *event, u64 *enabled, u64 *running) } EXPORT_SYMBOL_GPL(perf_event_read_value); -static int perf_event_read_group(struct perf_event *event, - u64 read_format, char __user *buf) +static void __perf_read_group_add(struct perf_event *leader, + u64 read_format, u64 *values) { - struct perf_event *leader = event->group_leader, *sub; struct perf_event_context *ctx = leader->ctx; - int n = 0, size = 0, ret; + struct perf_event *sub; + unsigned long flags; + int n = 1; /* skip @nr */ u64 count, enabled, running; - u64 values[5]; - - lockdep_assert_held(&ctx->mutex); count = perf_event_read_value(leader, &enabled, &running); - values[n++] = 1 + leader->nr_siblings; + /* + * Since we co-schedule groups, {enabled,running} times of siblings + * will be identical to those of the leader, so we only publish one + * set. + */ if (read_format & PERF_FORMAT_TOTAL_TIME_ENABLED) values[n++] = enabled; if (read_format & PERF_FORMAT_TOTAL_TIME_RUNNING) values[n++] = running; - values[n++] = count; + + /* + * Write {count,id} tuples for every sibling. + */ + values[n++] += count; if (read_format & PERF_FORMAT_ID) values[n++] = primary_event_id(leader); - size = n * sizeof(u64); - - if (copy_to_user(buf, values, size)) - return -EFAULT; - - ret = size; + raw_spin_lock_irqsave(&ctx->lock, flags); list_for_each_entry(sub, &leader->sibling_list, group_entry) { - n = 0; - values[n++] = perf_event_read_value(sub, &enabled, &running); if (read_format & PERF_FORMAT_ID) values[n++] = primary_event_id(sub); + } - size = n * sizeof(u64); + raw_spin_unlock_irqrestore(&ctx->lock, flags); +} - if (copy_to_user(buf + ret, values, size)) { - return -EFAULT; - } +static int perf_event_read_group(struct perf_event *event, + u64 read_format, char __user *buf) +{ + struct perf_event *leader = event->group_leader, *child; + struct perf_event_context *ctx = leader->ctx; + int ret = event->read_size; + u64 *values; - ret += size; - } + lockdep_assert_held(&ctx->mutex); + + values = kzalloc(event->read_size, GFP_KERNEL); + if (!values) + return -ENOMEM; + + values[0] = 1 + leader->nr_siblings; + + /* + * By locking the child_mutex of the leader we effectively + * lock the child list of all siblings.. XXX explain how. + */ + mutex_lock(&leader->child_mutex); + + __perf_read_group_add(leader, read_format, values); + list_for_each_entry(child, &leader->child_list, child_list) + __perf_read_group_add(child, read_format, values); + + mutex_unlock(&leader->child_mutex); + + if (copy_to_user(buf, values, event->read_size)) + ret = -EFAULT; + + kfree(values); return ret; } @@ -5938,6 +5965,8 @@ static void do_perf_sw_event(enum perf_type_id type, u32 event_id, rcu_read_unlock(); } +DEFINE_PER_CPU(struct pt_regs, __perf_regs[4]); + int perf_swevent_get_recursion_context(void) { struct swevent_htable *swhash = &__get_cpu_var(swevent_htable); @@ -5953,21 +5982,30 @@ inline void perf_swevent_put_recursion_context(int rctx) put_recursion_context(swhash->recursion, rctx); } -void __perf_sw_event(u32 event_id, u64 nr, struct pt_regs *regs, u64 addr) +void ___perf_sw_event(u32 event_id, u64 nr, struct pt_regs *regs, u64 addr) { struct perf_sample_data data; - int rctx; - preempt_disable_notrace(); - rctx = perf_swevent_get_recursion_context(); - if (rctx < 0) + if (WARN_ON_ONCE(!regs)) return; perf_sample_data_init(&data, addr, 0); - do_perf_sw_event(PERF_TYPE_SOFTWARE, event_id, nr, &data, regs); +} + +void __perf_sw_event(u32 event_id, u64 nr, struct pt_regs *regs, u64 addr) +{ + int rctx; + + preempt_disable_notrace(); + rctx = perf_swevent_get_recursion_context(); + if (unlikely(rctx < 0)) + goto fail; + + ___perf_sw_event(event_id, nr, regs, addr); perf_swevent_put_recursion_context(rctx); +fail: preempt_enable_notrace(); } @@ -7514,28 +7552,27 @@ SYSCALL_DEFINE5(perf_event_open, if (group_leader->group_leader != group_leader) goto err_context; /* - * Do not allow to attach to a group in a different - * task or CPU context: + * Make sure we're both events for the same CPU; + * grouping events for different CPUs is broken; since + * you can never concurrently schedule them anyhow. */ - if (move_group) { - /* - * Make sure we're both on the same task, or both - * per-cpu events. - */ - if (group_leader->ctx->task != ctx->task) - goto err_context; + if (group_leader->cpu != event->cpu) + goto err_context; - /* - * Make sure we're both events for the same CPU; - * grouping events for different CPUs is broken; since - * you can never concurrently schedule them anyhow. - */ - if (group_leader->cpu != event->cpu) - goto err_context; - } else { - if (group_leader->ctx != ctx) - goto err_context; - } + /* + * Make sure we're both on the same task, or both + * per-CPU events. + */ + if (group_leader->ctx->task != ctx->task) + goto err_context; + + /* + * Do not allow to attach to a group in a different task + * or CPU context. If we're moving SW events, we'll fix + * this up later, so allow that. + */ + if (!move_group && group_leader->ctx != ctx) + goto err_context; /* * Only a group leader can be exclusive or pinned diff --git a/kernel/fork.c b/kernel/fork.c index 0e1f602b8f47..f6422f07d133 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -539,7 +539,7 @@ static struct mm_struct *mm_init(struct mm_struct *mm, struct task_struct *p) spin_lock_init(&mm->page_table_lock); mm_init_aio(mm); mm_init_owner(mm, p); - clear_tlb_flush_pending(mm); + init_tlb_flush_pending(mm); if (current->mm) { mm->flags = current->mm->flags & MMF_INIT_MASK; diff --git a/kernel/sched/core.c b/kernel/sched/core.c index d6d34bbf921a..0940ee9603ae 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -1083,7 +1083,7 @@ void set_task_cpu(struct task_struct *p, unsigned int new_cpu) if (p->sched_class->migrate_task_rq) p->sched_class->migrate_task_rq(p, new_cpu); p->se.nr_migrations++; - perf_sw_event(PERF_COUNT_SW_CPU_MIGRATIONS, 1, NULL, 0); + perf_sw_event_sched(PERF_COUNT_SW_CPU_MIGRATIONS, 1, 0); tmn.task = p; tmn.from_cpu = task_cpu(p); diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index b86ee4effa02..4df317cb0e9a 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -6373,6 +6373,7 @@ static int instance_delete(const char *name) debugfs_remove_recursive(tr->dir); free_trace_buffers(tr); + free_cpumask_var(tr->tracing_cpumask); kfree(tr->name); kfree(tr); diff --git a/kernel/trace/trace_event_perf.c b/kernel/trace/trace_event_perf.c index 5d12bb407b44..a818e5601f89 100644 --- a/kernel/trace/trace_event_perf.c +++ b/kernel/trace/trace_event_perf.c @@ -249,7 +249,7 @@ void perf_trace_del(struct perf_event *p_event, int flags) } void *perf_trace_buf_prepare(int size, unsigned short type, - struct pt_regs *regs, int *rctxp) + struct pt_regs **regs, int *rctxp) { struct trace_entry *entry; unsigned long flags; @@ -268,6 +268,8 @@ void *perf_trace_buf_prepare(int size, unsigned short type, if (*rctxp < 0) return NULL; + if (regs) + *regs = this_cpu_ptr(&__perf_regs[*rctxp]); raw_data = this_cpu_ptr(perf_trace_buf[*rctxp]); /* zero the dead bytes from align to not leak stack to user */ diff --git a/kernel/trace/trace_events_filter.c b/kernel/trace/trace_events_filter.c index 7b244d004d68..ebbb24147d51 100644 --- a/kernel/trace/trace_events_filter.c +++ b/kernel/trace/trace_events_filter.c @@ -1950,6 +1950,10 @@ static int create_filter(struct ftrace_event_call *call, if (err && set_str) append_filter_err(ps, filter); } + if (err && !set_str) { + free_event_filter(filter); + filter = NULL; + } create_filter_finish(ps); *filterp = filter; diff --git a/kernel/trace/trace_kprobe.c b/kernel/trace/trace_kprobe.c index 94b253911a2a..562cbf747622 100644 --- a/kernel/trace/trace_kprobe.c +++ b/kernel/trace/trace_kprobe.c @@ -1155,7 +1155,7 @@ kprobe_perf_func(struct trace_kprobe *tk, struct pt_regs *regs) size = ALIGN(__size + sizeof(u32), sizeof(u64)); size -= sizeof(u32); - entry = perf_trace_buf_prepare(size, call->event.type, regs, &rctx); + entry = perf_trace_buf_prepare(size, call->event.type, NULL, &rctx); if (!entry) return; @@ -1186,7 +1186,7 @@ kretprobe_perf_func(struct trace_kprobe *tk, struct kretprobe_instance *ri, size = ALIGN(__size + sizeof(u32), sizeof(u64)); size -= sizeof(u32); - entry = perf_trace_buf_prepare(size, call->event.type, regs, &rctx); + entry = perf_trace_buf_prepare(size, call->event.type, NULL, &rctx); if (!entry) return; diff --git a/kernel/trace/trace_syscalls.c b/kernel/trace/trace_syscalls.c index 7e3cd7aaec83..ba78f0e3477d 100644 --- a/kernel/trace/trace_syscalls.c +++ b/kernel/trace/trace_syscalls.c @@ -586,7 +586,7 @@ static void perf_syscall_enter(void *ignore, struct pt_regs *regs, long id) size -= sizeof(u32); rec = (struct syscall_trace_enter *)perf_trace_buf_prepare(size, - sys_data->enter_event->event.type, regs, &rctx); + sys_data->enter_event->event.type, NULL, &rctx); if (!rec) return; @@ -659,7 +659,7 @@ static void perf_syscall_exit(void *ignore, struct pt_regs *regs, long ret) size -= sizeof(u32); rec = (struct syscall_trace_exit *)perf_trace_buf_prepare(size, - sys_data->exit_event->event.type, regs, &rctx); + sys_data->exit_event->event.type, NULL, &rctx); if (!rec) return; diff --git a/kernel/trace/trace_uprobe.c b/kernel/trace/trace_uprobe.c index 3c9b97e6b1f4..5224e836acde 100644 --- a/kernel/trace/trace_uprobe.c +++ b/kernel/trace/trace_uprobe.c @@ -1116,7 +1116,7 @@ static void __uprobe_perf_func(struct trace_uprobe *tu, if (hlist_empty(head)) goto out; - entry = perf_trace_buf_prepare(size, call->event.type, regs, &rctx); + entry = perf_trace_buf_prepare(size, call->event.type, NULL, &rctx); if (!entry) goto out; diff --git a/kernel/workqueue.c b/kernel/workqueue.c index 5e6cafeeb048..146fb7784900 100644 --- a/kernel/workqueue.c +++ b/kernel/workqueue.c @@ -3324,7 +3324,7 @@ int workqueue_sysfs_register(struct workqueue_struct *wq) * attributes breaks ordering guarantee. Disallow exposing ordered * workqueues. */ - if (WARN_ON(wq->flags & __WQ_ORDERED)) + if (WARN_ON(wq->flags & __WQ_ORDERED_EXPLICIT)) return -EINVAL; wq->wq_dev = wq_dev = kzalloc(sizeof(*wq_dev), GFP_KERNEL); @@ -3907,8 +3907,12 @@ int apply_workqueue_attrs(struct workqueue_struct *wq, return -EINVAL; /* creating multiple pwqs breaks ordering guarantee */ - if (WARN_ON((wq->flags & __WQ_ORDERED) && !list_empty(&wq->pwqs))) - return -EINVAL; + if (!list_empty(&wq->pwqs)) { + if (WARN_ON(wq->flags & __WQ_ORDERED_EXPLICIT)) + return -EINVAL; + + wq->flags &= ~__WQ_ORDERED; + } pwq_tbl = kzalloc(wq_numa_tbl_len * sizeof(pwq_tbl[0]), GFP_KERNEL); new_attrs = alloc_workqueue_attrs(GFP_KERNEL); @@ -4152,6 +4156,16 @@ struct workqueue_struct *__alloc_workqueue_key(const char *fmt, struct workqueue_struct *wq; struct pool_workqueue *pwq; + /* + * Unbound && max_active == 1 used to imply ordered, which is no + * longer the case on NUMA machines due to per-node pools. While + * alloc_ordered_workqueue() is the right way to create an ordered + * workqueue, keep the previous behavior to avoid subtle breakages + * on NUMA. + */ + if ((flags & WQ_UNBOUND) && max_active == 1) + flags |= __WQ_ORDERED; + /* see the comment above the definition of WQ_POWER_EFFICIENT */ if ((flags & WQ_POWER_EFFICIENT) && wq_power_efficient) flags |= WQ_UNBOUND; @@ -4344,13 +4358,14 @@ void workqueue_set_max_active(struct workqueue_struct *wq, int max_active) struct pool_workqueue *pwq; /* disallow meddling with max_active for ordered workqueues */ - if (WARN_ON(wq->flags & __WQ_ORDERED)) + if (WARN_ON(wq->flags & __WQ_ORDERED_EXPLICIT)) return; max_active = wq_clamp_max_active(max_active, wq->flags, wq->name); mutex_lock(&wq->mutex); + wq->flags &= ~__WQ_ORDERED; wq->saved_max_active = max_active; for_each_pwq(pwq, wq) diff --git a/lib/assoc_array.c b/lib/assoc_array.c index 03a77f4740c1..0d122543bd63 100644 --- a/lib/assoc_array.c +++ b/lib/assoc_array.c @@ -597,21 +597,31 @@ static bool assoc_array_insert_into_terminal_node(struct assoc_array_edit *edit, if ((edit->segment_cache[ASSOC_ARRAY_FAN_OUT] ^ base_seg) == 0) goto all_leaves_cluster_together; - /* Otherwise we can just insert a new node ahead of the old - * one. + /* Otherwise all the old leaves cluster in the same slot, but + * the new leaf wants to go into a different slot - so we + * create a new node (n0) to hold the new leaf and a pointer to + * a new node (n1) holding all the old leaves. + * + * This can be done by falling through to the node splitting + * path. */ - goto present_leaves_cluster_but_not_new_leaf; + pr_devel("present leaves cluster but not new leaf\n"); } split_node: pr_devel("split node\n"); - /* We need to split the current node; we know that the node doesn't - * simply contain a full set of leaves that cluster together (it - * contains meta pointers and/or non-clustering leaves). + /* We need to split the current node. The node must contain anything + * from a single leaf (in the one leaf case, this leaf will cluster + * with the new leaf) and the rest meta-pointers, to all leaves, some + * of which may cluster. + * + * It won't contain the case in which all the current leaves plus the + * new leaves want to cluster in the same slot. * * We need to expel at least two leaves out of a set consisting of the - * leaves in the node and the new leaf. + * leaves in the node and the new leaf. The current meta pointers can + * just be copied as they shouldn't cluster with any of the leaves. * * We need a new node (n0) to replace the current one and a new node to * take the expelled nodes (n1). @@ -716,33 +726,6 @@ static bool assoc_array_insert_into_terminal_node(struct assoc_array_edit *edit, pr_devel("<--%s() = ok [split node]\n", __func__); return true; -present_leaves_cluster_but_not_new_leaf: - /* All the old leaves cluster in the same slot, but the new leaf wants - * to go into a different slot, so we create a new node to hold the new - * leaf and a pointer to a new node holding all the old leaves. - */ - pr_devel("present leaves cluster but not new leaf\n"); - - new_n0->back_pointer = node->back_pointer; - new_n0->parent_slot = node->parent_slot; - new_n0->nr_leaves_on_branch = node->nr_leaves_on_branch; - new_n1->back_pointer = assoc_array_node_to_ptr(new_n0); - new_n1->parent_slot = edit->segment_cache[0]; - new_n1->nr_leaves_on_branch = node->nr_leaves_on_branch; - edit->adjust_count_on = new_n0; - - for (i = 0; i < ASSOC_ARRAY_FAN_OUT; i++) - new_n1->slots[i] = node->slots[i]; - - new_n0->slots[edit->segment_cache[0]] = assoc_array_node_to_ptr(new_n0); - edit->leaf_p = &new_n0->slots[edit->segment_cache[ASSOC_ARRAY_FAN_OUT]]; - - edit->set[0].ptr = &assoc_array_ptr_to_node(node->back_pointer)->slots[node->parent_slot]; - edit->set[0].to = assoc_array_node_to_ptr(new_n0); - edit->excised_meta[0] = assoc_array_node_to_ptr(node); - pr_devel("<--%s() = ok [insert node before]\n", __func__); - return true; - all_leaves_cluster_together: /* All the leaves, new and old, want to cluster together in this node * in the same slot, so we have to replace this node with a shortcut to diff --git a/lib/cpumask.c b/lib/cpumask.c index 78c13985a0a3..317867e0a03f 100644 --- a/lib/cpumask.c +++ b/lib/cpumask.c @@ -198,64 +198,42 @@ void __init free_bootmem_cpumask_var(cpumask_var_t mask) #endif /** - * cpumask_set_cpu_local_first - set i'th cpu with local numa cpu's first - * + * cpumask_local_spread - select the i'th cpu with local numa cpu's first * @i: index number - * @numa_node: local numa_node - * @dstp: cpumask with the relevant cpu bit set according to the policy + * @node: local numa_node * - * This function sets the cpumask according to a numa aware policy. - * cpumask could be used as an affinity hint for the IRQ related to a - * queue. When the policy is to spread queues across cores - local cores - * first. + * This function selects an online CPU according to a numa aware policy; + * local cpus are returned first, followed by non-local ones, then it + * wraps around. * - * Returns 0 on success, -ENOMEM for no memory, and -EAGAIN when failed to set - * the cpu bit and need to re-call the function. + * It's not very efficient, but useful for setup. */ -int cpumask_set_cpu_local_first(int i, int numa_node, cpumask_t *dstp) +unsigned int cpumask_local_spread(unsigned int i, int node) { - cpumask_var_t mask; int cpu; - int ret = 0; - - if (!zalloc_cpumask_var(&mask, GFP_KERNEL)) - return -ENOMEM; + /* Wrap: we always want a cpu. */ i %= num_online_cpus(); - if (numa_node == -1 || !cpumask_of_node(numa_node)) { - /* Use all online cpu's for non numa aware system */ - cpumask_copy(mask, cpu_online_mask); + if (node == -1) { + for_each_cpu(cpu, cpu_online_mask) + if (i-- == 0) + return cpu; } else { - int n; - - cpumask_and(mask, - cpumask_of_node(numa_node), cpu_online_mask); - - n = cpumask_weight(mask); - if (i >= n) { - i -= n; - - /* If index > number of local cpu's, mask out local - * cpu's - */ - cpumask_andnot(mask, cpu_online_mask, mask); + /* NUMA first. */ + for_each_cpu_and(cpu, cpumask_of_node(node), cpu_online_mask) + if (i-- == 0) + return cpu; + + for_each_cpu(cpu, cpu_online_mask) { + /* Skip NUMA nodes, done above. */ + if (cpumask_test_cpu(cpu, cpumask_of_node(node))) + continue; + + if (i-- == 0) + return cpu; } } - - for_each_cpu(cpu, mask) { - if (--i < 0) - goto out; - } - - ret = -EAGAIN; - -out: - free_cpumask_var(mask); - - if (!ret) - cpumask_set_cpu(cpu, dstp); - - return ret; + BUG(); } -EXPORT_SYMBOL(cpumask_set_cpu_local_first); +EXPORT_SYMBOL(cpumask_local_spread); diff --git a/mm/hugetlb.c b/mm/hugetlb.c index 467d04b62948..c892a6b51e8e 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -1105,14 +1105,20 @@ static int dissolve_free_huge_page(struct page *page) int dissolve_free_huge_pages(unsigned long start_pfn, unsigned long end_pfn) { unsigned long pfn; + struct page *page; int rc = 0; if (!hugepages_supported()) return rc; - for (pfn = start_pfn; pfn < end_pfn; pfn += 1 << minimum_order) - if (rc = dissolve_free_huge_page(pfn_to_page(pfn))) - break; + for (pfn = start_pfn; pfn < end_pfn; pfn += 1 << minimum_order) { + page = pfn_to_page(pfn); + if (PageHuge(page) && !page_count(page)) { + rc = dissolve_free_huge_page(page); + if (rc) + break; + } + } return rc; } diff --git a/mm/mempolicy.c b/mm/mempolicy.c index ca088a55b902..fffff2a6677a 100644 --- a/mm/mempolicy.c +++ b/mm/mempolicy.c @@ -957,11 +957,6 @@ static long do_get_mempolicy(int *policy, nodemask_t *nmask, *policy |= (pol->flags & MPOL_MODE_FLAGS); } - if (vma) { - up_read(¤t->mm->mmap_sem); - vma = NULL; - } - err = 0; if (nmask) { if (mpol_store_user_nodemask(pol)) { diff --git a/mm/mprotect.c b/mm/mprotect.c index c43d557941f8..24607a31259e 100644 --- a/mm/mprotect.c +++ b/mm/mprotect.c @@ -225,7 +225,7 @@ static unsigned long change_protection_range(struct vm_area_struct *vma, BUG_ON(addr >= end); pgd = pgd_offset(mm, addr); flush_cache_range(vma, addr, end); - set_tlb_flush_pending(mm); + inc_tlb_flush_pending(mm); do { next = pgd_addr_end(addr, end); if (pgd_none_or_clear_bad(pgd)) @@ -237,7 +237,7 @@ static unsigned long change_protection_range(struct vm_area_struct *vma, /* Only flush the TLB if we actually modified any entries: */ if (pages) flush_tlb_range(vma, start, end); - clear_tlb_flush_pending(mm); + dec_tlb_flush_pending(mm); return pages; } diff --git a/mm/page_alloc.c b/mm/page_alloc.c index ab7938d2248e..2c1d0eec78ba 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -61,6 +61,7 @@ #include <linux/page-debug-flags.h> #include <linux/hugetlb.h> #include <linux/sched/rt.h> +#include <linux/nmi.h> #include <asm/sections.h> #include <asm/tlbflush.h> @@ -1354,9 +1355,14 @@ void drain_all_pages(void) #ifdef CONFIG_HIBERNATION +/* + * Touch the watchdog for every WD_PAGE_COUNT pages. + */ +#define WD_PAGE_COUNT (128*1024) + void mark_free_pages(struct zone *zone) { - unsigned long pfn, max_zone_pfn; + unsigned long pfn, max_zone_pfn, page_count = WD_PAGE_COUNT; unsigned long flags; unsigned int order, t; struct list_head *curr; @@ -1371,6 +1377,11 @@ void mark_free_pages(struct zone *zone) if (pfn_valid(pfn)) { struct page *page = pfn_to_page(pfn); + if (!--page_count) { + touch_nmi_watchdog(); + page_count = WD_PAGE_COUNT; + } + if (!swsusp_page_is_forbidden(page)) swsusp_unset_page_free(page); } @@ -1380,8 +1391,13 @@ void mark_free_pages(struct zone *zone) unsigned long i; pfn = page_to_pfn(list_entry(curr, struct page, lru)); - for (i = 0; i < (1UL << order); i++) + for (i = 0; i < (1UL << order); i++) { + if (!--page_count) { + touch_nmi_watchdog(); + page_count = WD_PAGE_COUNT; + } swsusp_set_page_free(pfn_to_page(pfn + i)); + } } } spin_unlock_irqrestore(&zone->lock, flags); @@ -5319,15 +5335,18 @@ void __init free_area_init_nodes(unsigned long *max_zone_pfn) sizeof(arch_zone_lowest_possible_pfn)); memset(arch_zone_highest_possible_pfn, 0, sizeof(arch_zone_highest_possible_pfn)); - arch_zone_lowest_possible_pfn[0] = find_min_pfn_with_active_regions(); - arch_zone_highest_possible_pfn[0] = max_zone_pfn[0]; - for (i = 1; i < MAX_NR_ZONES; i++) { + + start_pfn = find_min_pfn_with_active_regions(); + + for (i = 0; i < MAX_NR_ZONES; i++) { if (i == ZONE_MOVABLE) continue; - arch_zone_lowest_possible_pfn[i] = - arch_zone_highest_possible_pfn[i-1]; - arch_zone_highest_possible_pfn[i] = - max(max_zone_pfn[i], arch_zone_lowest_possible_pfn[i]); + + end_pfn = max(max_zone_pfn[i], start_pfn); + arch_zone_lowest_possible_pfn[i] = start_pfn; + arch_zone_highest_possible_pfn[i] = end_pfn; + + start_pfn = end_pfn; } arch_zone_lowest_possible_pfn[ZONE_MOVABLE] = 0; arch_zone_highest_possible_pfn[ZONE_MOVABLE] = 0; diff --git a/net/batman-adv/translation-table.c b/net/batman-adv/translation-table.c index c93007d9c403..118eba81620e 100644 --- a/net/batman-adv/translation-table.c +++ b/net/batman-adv/translation-table.c @@ -1233,9 +1233,41 @@ batadv_tt_global_entry_has_orig(const struct batadv_tt_global_entry *entry, return found; } +/** + * batadv_tt_global_sync_flags - update TT sync flags + * @tt_global: the TT global entry to update sync flags in + * + * Updates the sync flag bits in the tt_global flag attribute with a logical + * OR of all sync flags from any of its TT orig entries. + */ +static void +batadv_tt_global_sync_flags(struct batadv_tt_global_entry *tt_global) +{ + struct batadv_tt_orig_list_entry *orig_entry; + const struct hlist_head *head; + u16 flags = BATADV_NO_FLAGS; + + rcu_read_lock(); + head = &tt_global->orig_list; + hlist_for_each_entry_rcu(orig_entry, head, list) + flags |= orig_entry->flags; + rcu_read_unlock(); + + flags |= tt_global->common.flags & (~BATADV_TT_SYNC_MASK); + tt_global->common.flags = flags; +} + +/** + * batadv_tt_global_orig_entry_add - add or update a TT orig entry + * @tt_global: the TT global entry to add an orig entry in + * @orig_node: the originator to add an orig entry for + * @ttvn: translation table version number of this changeset + * @flags: TT sync flags + */ static void batadv_tt_global_orig_entry_add(struct batadv_tt_global_entry *tt_global, - struct batadv_orig_node *orig_node, int ttvn) + struct batadv_orig_node *orig_node, int ttvn, + u8 flags) { struct batadv_tt_orig_list_entry *orig_entry; @@ -1245,7 +1277,8 @@ batadv_tt_global_orig_entry_add(struct batadv_tt_global_entry *tt_global, * was added during a "temporary client detection" */ orig_entry->ttvn = ttvn; - goto out; + orig_entry->flags = flags; + goto sync_flags; } orig_entry = kzalloc(sizeof(*orig_entry), GFP_ATOMIC); @@ -1257,6 +1290,7 @@ batadv_tt_global_orig_entry_add(struct batadv_tt_global_entry *tt_global, batadv_tt_global_size_inc(orig_node, tt_global->common.vid); orig_entry->orig_node = orig_node; orig_entry->ttvn = ttvn; + orig_entry->flags = flags; atomic_set(&orig_entry->refcount, 2); spin_lock_bh(&tt_global->list_lock); @@ -1265,6 +1299,8 @@ batadv_tt_global_orig_entry_add(struct batadv_tt_global_entry *tt_global, spin_unlock_bh(&tt_global->list_lock); atomic_inc(&tt_global->orig_list_count); +sync_flags: + batadv_tt_global_sync_flags(tt_global); out: if (orig_entry) batadv_tt_orig_list_entry_free_ref(orig_entry); @@ -1379,10 +1415,10 @@ static bool batadv_tt_global_add(struct batadv_priv *bat_priv, common->flags &= ~BATADV_TT_CLIENT_TEMP; /* the change can carry possible "attribute" flags like the - * TT_CLIENT_WIFI, therefore they have to be copied in the + * TT_CLIENT_TEMP, therefore they have to be copied in the * client entry */ - tt_global_entry->common.flags |= flags; + tt_global_entry->common.flags |= flags & (~BATADV_TT_SYNC_MASK); /* If there is the BATADV_TT_CLIENT_ROAM flag set, there is only * one originator left in the list and we previously received a @@ -1399,7 +1435,8 @@ static bool batadv_tt_global_add(struct batadv_priv *bat_priv, } add_orig_entry: /* add the new orig_entry (if needed) or update it */ - batadv_tt_global_orig_entry_add(tt_global_entry, orig_node, ttvn); + batadv_tt_global_orig_entry_add(tt_global_entry, orig_node, ttvn, + flags & BATADV_TT_SYNC_MASK); batadv_dbg(BATADV_DBG_TT, bat_priv, "Creating new global tt entry: %pM (vid: %d, via %pM)\n", @@ -2045,6 +2082,7 @@ static uint32_t batadv_tt_global_crc(struct batadv_priv *bat_priv, unsigned short vid) { struct batadv_hashtable *hash = bat_priv->tt.global_hash; + struct batadv_tt_orig_list_entry *tt_orig; struct batadv_tt_common_entry *tt_common; struct batadv_tt_global_entry *tt_global; struct hlist_head *head; @@ -2083,8 +2121,9 @@ static uint32_t batadv_tt_global_crc(struct batadv_priv *bat_priv, /* find out if this global entry is announced by this * originator */ - if (!batadv_tt_global_entry_has_orig(tt_global, - orig_node)) + tt_orig = batadv_tt_global_orig_entry_find(tt_global, + orig_node); + if (!tt_orig) continue; /* use network order to read the VID: this ensures that @@ -2096,10 +2135,12 @@ static uint32_t batadv_tt_global_crc(struct batadv_priv *bat_priv, /* compute the CRC on flags that have to be kept in sync * among nodes */ - flags = tt_common->flags & BATADV_TT_SYNC_MASK; + flags = tt_orig->flags; crc_tmp = crc32c(crc_tmp, &flags, sizeof(flags)); crc ^= crc32c(crc_tmp, tt_common->addr, ETH_ALEN); + + batadv_tt_orig_list_entry_free_ref(tt_orig); } rcu_read_unlock(); } diff --git a/net/batman-adv/types.h b/net/batman-adv/types.h index 61f34f889555..9161e3e62a55 100644 --- a/net/batman-adv/types.h +++ b/net/batman-adv/types.h @@ -968,6 +968,7 @@ struct batadv_tt_global_entry { * struct batadv_tt_orig_list_entry - orig node announcing a non-mesh client * @orig_node: pointer to orig node announcing this non-mesh client * @ttvn: translation table version number which added the non-mesh client + * @flags: per orig entry TT sync flags * @list: list node for batadv_tt_global_entry::orig_list * @refcount: number of contexts the object is used * @rcu: struct used for freeing in an RCU-safe manner @@ -975,6 +976,7 @@ struct batadv_tt_global_entry { struct batadv_tt_orig_list_entry { struct batadv_orig_node *orig_node; uint8_t ttvn; + u8 flags; struct hlist_node list; atomic_t refcount; struct rcu_head rcu; diff --git a/net/bridge/br_device.c b/net/bridge/br_device.c index f3526464bded..f6c9fb8e7449 100644 --- a/net/bridge/br_device.c +++ b/net/bridge/br_device.c @@ -31,10 +31,10 @@ static struct lock_class_key bridge_netdev_addr_lock_key; netdev_tx_t br_dev_xmit(struct sk_buff *skb, struct net_device *dev) { struct net_bridge *br = netdev_priv(dev); - const unsigned char *dest = skb->data; struct net_bridge_fdb_entry *dst; struct net_bridge_mdb_entry *mdst; struct pcpu_sw_netstats *brstats = this_cpu_ptr(br->stats); + const unsigned char *dest; u16 vid = 0; rcu_read_lock(); @@ -59,6 +59,7 @@ netdev_tx_t br_dev_xmit(struct sk_buff *skb, struct net_device *dev) if (!br_allowed_ingress(br, br_get_vlan_info(br), skb, &vid)) goto out; + dest = eth_hdr(skb)->h_dest; if (is_broadcast_ether_addr(dest)) br_flood_deliver(br, skb, false); else if (is_multicast_ether_addr(dest)) { diff --git a/net/bridge/br_input.c b/net/bridge/br_input.c index 366c43649079..c0123c31f787 100644 --- a/net/bridge/br_input.c +++ b/net/bridge/br_input.c @@ -60,11 +60,11 @@ static int br_pass_frame_up(struct sk_buff *skb) /* note: already called with rcu_read_lock */ int br_handle_frame_finish(struct sk_buff *skb) { - const unsigned char *dest = eth_hdr(skb)->h_dest; struct net_bridge_port *p = br_port_get_rcu(skb->dev); struct net_bridge *br; struct net_bridge_fdb_entry *dst; struct net_bridge_mdb_entry *mdst; + const unsigned char *dest; struct sk_buff *skb2; bool unicast = true; u16 vid = 0; @@ -80,6 +80,7 @@ int br_handle_frame_finish(struct sk_buff *skb) if (p->flags & BR_LEARNING) br_fdb_update(br, p, eth_hdr(skb)->h_source, vid, false); + dest = eth_hdr(skb)->h_dest; if (!is_broadcast_ether_addr(dest) && is_multicast_ether_addr(dest) && br_multicast_rcv(br, p, skb, vid)) goto drop; diff --git a/net/bridge/br_netfilter.c b/net/bridge/br_netfilter.c index a615264cf01a..2cf4e30ac41a 100644 --- a/net/bridge/br_netfilter.c +++ b/net/bridge/br_netfilter.c @@ -155,7 +155,7 @@ static struct dst_ops fake_dst_ops = { * ipt_REJECT needs it. Future netfilter modules might * require us to fill additional fields. */ -static const u32 br_dst_default_metrics[RTAX_MAX] = { +static const u32 br_dst_default_metrics[RTAX_MAX] __aligned(DST_METRICS_ALIGNMENT) = { [RTAX_MTU - 1] = 1500, }; diff --git a/net/caif/cfpkt_skbuff.c b/net/caif/cfpkt_skbuff.c index 1be0b521ac49..5add8e75759d 100644 --- a/net/caif/cfpkt_skbuff.c +++ b/net/caif/cfpkt_skbuff.c @@ -286,7 +286,7 @@ int cfpkt_setlen(struct cfpkt *pkt, u16 len) else skb_trim(skb, len); - return cfpkt_getlen(pkt); + return cfpkt_getlen(pkt); } /* Need to expand SKB */ diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c index 8e0ed8de3216..6a2236aee1ce 100644 --- a/net/ceph/messenger.c +++ b/net/ceph/messenger.c @@ -3075,8 +3075,10 @@ static struct ceph_msg_data *ceph_msg_data_create(enum ceph_msg_data_type type) return NULL; data = kmem_cache_zalloc(ceph_msg_data_cache, GFP_NOFS); - if (data) - data->type = type; + if (!data) + return NULL; + + data->type = type; INIT_LIST_HEAD(&data->links); return data; diff --git a/net/core/dev.c b/net/core/dev.c index 869a04d5558d..ee2177c0b186 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -2413,9 +2413,10 @@ EXPORT_SYMBOL(skb_mac_gso_segment); static inline bool skb_needs_check(struct sk_buff *skb, bool tx_path) { if (tx_path) - return skb->ip_summed != CHECKSUM_PARTIAL; - else - return skb->ip_summed == CHECKSUM_NONE; + return skb->ip_summed != CHECKSUM_PARTIAL && + skb->ip_summed != CHECKSUM_UNNECESSARY; + + return skb->ip_summed == CHECKSUM_NONE; } /** @@ -2432,13 +2433,14 @@ static inline bool skb_needs_check(struct sk_buff *skb, bool tx_path) struct sk_buff *__skb_gso_segment(struct sk_buff *skb, netdev_features_t features, bool tx_path) { + struct sk_buff *segs; + if (unlikely(skb_needs_check(skb, tx_path))) { int err; - skb_warn_bad_offload(skb); - - if (skb_header_cloned(skb) && - (err = pskb_expand_head(skb, 0, 0, GFP_ATOMIC))) + /* We're going to init ->check field in TCP or UDP header */ + err = skb_cow_head(skb, 0); + if (err < 0) return ERR_PTR(err); } @@ -2448,7 +2450,12 @@ struct sk_buff *__skb_gso_segment(struct sk_buff *skb, skb_reset_mac_header(skb); skb_reset_mac_len(skb); - return skb_mac_gso_segment(skb, features); + segs = skb_mac_gso_segment(skb, features); + + if (unlikely(skb_needs_check(skb, tx_path))) + skb_warn_bad_offload(skb); + + return segs; } EXPORT_SYMBOL(__skb_gso_segment); diff --git a/net/core/dst.c b/net/core/dst.c index 57746a18c957..52e900047f89 100644 --- a/net/core/dst.c +++ b/net/core/dst.c @@ -149,13 +149,13 @@ int dst_discard_sk(struct sock *sk, struct sk_buff *skb) } EXPORT_SYMBOL(dst_discard_sk); -const u32 dst_default_metrics[RTAX_MAX + 1] = { +const struct dst_metrics dst_default_metrics = { /* This initializer is needed to force linker to place this variable * into const section. Otherwise it might end into bss section. * We really want to avoid false sharing on this variable, and catch * any writes on it. */ - [RTAX_MAX] = 0xdeadbeef, + .refcnt = ATOMIC_INIT(1), }; @@ -176,7 +176,7 @@ void *dst_alloc(struct dst_ops *ops, struct net_device *dev, if (dev) dev_hold(dev); dst->ops = ops; - dst_init_metrics(dst, dst_default_metrics, true); + dst_init_metrics(dst, dst_default_metrics.metrics, true); dst->expires = 0UL; dst->path = dst; dst->from = NULL; @@ -292,27 +292,46 @@ void dst_release(struct dst_entry *dst) } EXPORT_SYMBOL(dst_release); +static struct kmem_cache *metrics_cache; + +void *dst_alloc_metrics(gfp_t flags) +{ + return kmem_cache_alloc(metrics_cache, flags); +} +EXPORT_SYMBOL(dst_alloc_metrics); + +void dst_free_metrics(void *metrics) +{ + kmem_cache_free(metrics_cache, metrics); +} +EXPORT_SYMBOL(dst_free_metrics); + u32 *dst_cow_metrics_generic(struct dst_entry *dst, unsigned long old) { - u32 *p = kmalloc(sizeof(u32) * RTAX_MAX, GFP_ATOMIC); + struct dst_metrics *p = dst_alloc_metrics(GFP_ATOMIC); if (p) { - u32 *old_p = __DST_METRICS_PTR(old); + struct dst_metrics *old_p = (struct dst_metrics *)__DST_METRICS_PTR(old); unsigned long prev, new; - memcpy(p, old_p, sizeof(u32) * RTAX_MAX); + atomic_set(&p->refcnt, 1); + memcpy(p->metrics, old_p->metrics, sizeof(p->metrics)); new = (unsigned long) p; prev = cmpxchg(&dst->_metrics, old, new); if (prev != old) { - kfree(p); - p = __DST_METRICS_PTR(prev); + dst_free_metrics(p); + p = (struct dst_metrics *)__DST_METRICS_PTR(prev); if (prev & DST_METRICS_READ_ONLY) p = NULL; + } else if (prev & DST_METRICS_REFCOUNTED) { + if (atomic_dec_and_test(&old_p->refcnt)) + dst_free_metrics(old_p); } } - return p; + BUILD_BUG_ON(offsetof(struct dst_metrics, metrics) != 0); + return (u32 *)p; } EXPORT_SYMBOL(dst_cow_metrics_generic); @@ -321,10 +340,10 @@ void __dst_destroy_metrics_generic(struct dst_entry *dst, unsigned long old) { unsigned long prev, new; - new = ((unsigned long) dst_default_metrics) | DST_METRICS_READ_ONLY; + new = ((unsigned long) &dst_default_metrics) | DST_METRICS_READ_ONLY; prev = cmpxchg(&dst->_metrics, old, new); if (prev == old) - kfree(__DST_METRICS_PTR(old)); + dst_free_metrics(__DST_METRICS_PTR(old)); } EXPORT_SYMBOL(__dst_destroy_metrics_generic); @@ -419,4 +438,8 @@ static struct notifier_block dst_dev_notifier = { void __init dst_init(void) { register_netdevice_notifier(&dst_dev_notifier); + metrics_cache = kmem_cache_create("dst_metrics", + sizeof(struct dst_metrics), + DST_METRICS_ALIGNMENT, + SLAB_PANIC, NULL); } diff --git a/net/core/pktgen.c b/net/core/pktgen.c index 0234ae038a62..d585bc9109b4 100644 --- a/net/core/pktgen.c +++ b/net/core/pktgen.c @@ -2502,7 +2502,7 @@ static void mod_cur_headers(struct pktgen_dev *pkt_dev) #ifdef CONFIG_XFRM -static u32 pktgen_dst_metrics[RTAX_MAX + 1] = { +static u32 pktgen_dst_metrics[RTAX_MAX + 1] __aligned(DST_METRICS_ALIGNMENT) = { [RTAX_HOPLIMIT] = 0x5, /* Set a static hoplimit */ }; diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c index c232ededeaa2..d04e56fb7be2 100644 --- a/net/ipv4/fib_frontend.c +++ b/net/ipv4/fib_frontend.c @@ -1175,13 +1175,14 @@ static struct pernet_operations fib_net_ops = { void __init ip_fib_init(void) { - rtnl_register(PF_INET, RTM_NEWROUTE, inet_rtm_newroute, NULL, NULL); - rtnl_register(PF_INET, RTM_DELROUTE, inet_rtm_delroute, NULL, NULL); - rtnl_register(PF_INET, RTM_GETROUTE, NULL, inet_dump_fib, NULL); + fib_trie_init(); register_pernet_subsys(&fib_net_ops); + register_netdevice_notifier(&fib_netdev_notifier); register_inetaddr_notifier(&fib_inetaddr_notifier); - fib_trie_init(); + rtnl_register(PF_INET, RTM_NEWROUTE, inet_rtm_newroute, NULL, NULL); + rtnl_register(PF_INET, RTM_DELROUTE, inet_rtm_delroute, NULL, NULL); + rtnl_register(PF_INET, RTM_GETROUTE, NULL, inet_dump_fib, NULL); } diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c index b77a181cd450..df875ec5c243 100644 --- a/net/ipv4/fib_semantics.c +++ b/net/ipv4/fib_semantics.c @@ -201,6 +201,7 @@ static void rt_fibinfo_free_cpus(struct rtable __rcu * __percpu *rtp) static void free_fib_info_rcu(struct rcu_head *head) { struct fib_info *fi = container_of(head, struct fib_info, rcu); + struct dst_metrics *m; change_nexthops(fi) { if (nexthop_nh->nh_dev) @@ -212,8 +213,9 @@ static void free_fib_info_rcu(struct rcu_head *head) } endfor_nexthops(fi); release_net(fi->fib_net); - if (fi->fib_metrics != (u32 *) dst_default_metrics) - kfree(fi->fib_metrics); + m = fi->fib_metrics; + if (m != &dst_default_metrics && atomic_dec_and_test(&m->refcnt)) + dst_free_metrics(m); kfree(fi); } @@ -821,14 +823,17 @@ struct fib_info *fib_create_info(struct fib_config *cfg) fi = kzalloc(sizeof(*fi)+nhs*sizeof(struct fib_nh), GFP_KERNEL); if (fi == NULL) goto failure; - fib_info_cnt++; if (cfg->fc_mx) { - fi->fib_metrics = kzalloc(sizeof(u32) * RTAX_MAX, GFP_KERNEL); - if (!fi->fib_metrics) - goto failure; - } else - fi->fib_metrics = (u32 *) dst_default_metrics; - + fi->fib_metrics = dst_alloc_metrics(GFP_KERNEL | __GFP_ZERO); + if (unlikely(!fi->fib_metrics)) { + kfree(fi); + return ERR_PTR(err); + } + atomic_set(&fi->fib_metrics->refcnt, 1); + } else { + fi->fib_metrics = (struct dst_metrics *)&dst_default_metrics; + } + fib_info_cnt++; fi->fib_net = hold_net(net); fi->fib_protocol = cfg->fc_protocol; fi->fib_scope = cfg->fc_scope; @@ -864,7 +869,7 @@ struct fib_info *fib_create_info(struct fib_config *cfg) val = 65535 - 15; if (type == RTAX_HOPLIMIT && val > 255) val = 255; - fi->fib_metrics[type - 1] = val; + fi->fib_metrics->metrics[type - 1] = val; } } } @@ -1029,7 +1034,7 @@ int fib_dump_info(struct sk_buff *skb, u32 portid, u32 seq, int event, if (fi->fib_priority && nla_put_u32(skb, RTA_PRIORITY, fi->fib_priority)) goto nla_put_failure; - if (rtnetlink_put_metrics(skb, fi->fib_metrics) < 0) + if (rtnetlink_put_metrics(skb, fi->fib_metrics->metrics) < 0) goto nla_put_failure; if (fi->fib_prefsrc && diff --git a/net/ipv4/netfilter/ipt_CLUSTERIP.c b/net/ipv4/netfilter/ipt_CLUSTERIP.c index 2510c02c2d21..0b6a54b9bdeb 100644 --- a/net/ipv4/netfilter/ipt_CLUSTERIP.c +++ b/net/ipv4/netfilter/ipt_CLUSTERIP.c @@ -115,7 +115,8 @@ clusterip_config_entry_put(struct clusterip_config *c) * functions are also incrementing the refcount on their own, * so it's safe to remove the entry even if it's in use. */ #ifdef CONFIG_PROC_FS - proc_remove(c->pde); + if (cn->procdir) + proc_remove(c->pde); #endif return; } @@ -735,6 +736,7 @@ static void clusterip_net_exit(struct net *net) #ifdef CONFIG_PROC_FS struct clusterip_net *cn = net_generic(net, clusterip_net_id); proc_remove(cn->procdir); + cn->procdir = NULL; #endif } diff --git a/net/ipv4/netfilter/nft_reject_ipv4.c b/net/ipv4/netfilter/nft_reject_ipv4.c index e79718a382f2..292783018da5 100644 --- a/net/ipv4/netfilter/nft_reject_ipv4.c +++ b/net/ipv4/netfilter/nft_reject_ipv4.c @@ -33,6 +33,8 @@ void nft_reject_ipv4_eval(const struct nft_expr *expr, case NFT_REJECT_TCP_RST: nf_send_reset(pkt->skb, pkt->ops->hooknum); break; + default: + break; } data[NFT_REG_VERDICT].verdict = NF_DROP; diff --git a/net/ipv4/route.c b/net/ipv4/route.c index b8dc5d8cdedf..75b122645188 100644 --- a/net/ipv4/route.c +++ b/net/ipv4/route.c @@ -1344,8 +1344,12 @@ static void rt_add_uncached_list(struct rtable *rt) static void ipv4_dst_destroy(struct dst_entry *dst) { + struct dst_metrics *p = (struct dst_metrics *)DST_METRICS_PTR(dst); struct rtable *rt = (struct rtable *) dst; + if (p != &dst_default_metrics && atomic_dec_and_test(&p->refcnt)) + dst_free_metrics(p); + if (!list_empty(&rt->rt_uncached)) { spin_lock_bh(&rt_uncached_lock); list_del(&rt->rt_uncached); @@ -1392,7 +1396,11 @@ static void rt_set_nexthop(struct rtable *rt, __be32 daddr, rt->rt_gateway = nh->nh_gw; rt->rt_uses_gateway = 1; } - dst_init_metrics(&rt->dst, fi->fib_metrics, true); + dst_init_metrics(&rt->dst, fi->fib_metrics->metrics, true); + if (fi->fib_metrics != &dst_default_metrics) { + rt->dst._metrics |= DST_METRICS_REFCOUNTED; + atomic_inc(&fi->fib_metrics->refcnt); + } #ifdef CONFIG_IP_ROUTE_CLASSID rt->dst.tclassid = nh->nh_tclassid; #endif diff --git a/net/ipv4/udp_offload.c b/net/ipv4/udp_offload.c index ca41bcbea39c..15659166c8f2 100644 --- a/net/ipv4/udp_offload.c +++ b/net/ipv4/udp_offload.c @@ -93,7 +93,7 @@ static struct sk_buff *udp4_ufo_fragment(struct sk_buff *skb, csum = skb_checksum(skb, offset, skb->len - offset, 0); offset += skb->csum_offset; *(__sum16 *)(skb->data + offset) = csum_fold(csum); - skb->ip_summed = CHECKSUM_NONE; + skb->ip_summed = CHECKSUM_UNNECESSARY; /* Fragment the skb. IP headers of the fragments are updated in * inet_gso_segment() diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index 9f48905cac9c..22773519912b 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -4737,7 +4737,7 @@ static void __ipv6_ifa_notify(int event, struct inet6_ifaddr *ifp) * our DAD process, so we don't need * to do it again */ - if (!(ifp->rt->rt6i_node)) + if (!rcu_access_pointer(ifp->rt->rt6i_node)) ip6_ins_rt(ifp->rt); if (ifp->idev->cnf.forwarding) addrconf_join_anycast(ifp); diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c index 36aadaeb7f44..9f6024f0821d 100644 --- a/net/ipv6/ip6_fib.c +++ b/net/ipv6/ip6_fib.c @@ -151,11 +151,23 @@ static __inline__ struct fib6_node *node_alloc(void) return fn; } -static __inline__ void node_free(struct fib6_node *fn) +static void node_free_immediate(struct fib6_node *fn) { kmem_cache_free(fib6_node_kmem, fn); } +static void node_free_rcu(struct rcu_head *head) +{ + struct fib6_node *fn = container_of(head, struct fib6_node, rcu); + + kmem_cache_free(fib6_node_kmem, fn); +} + +static void node_free(struct fib6_node *fn) +{ + call_rcu(&fn->rcu, node_free_rcu); +} + static __inline__ void rt6_release(struct rt6_info *rt) { if (atomic_dec_and_test(&rt->rt6i_ref)) @@ -551,9 +563,9 @@ static struct fib6_node *fib6_add_1(struct fib6_node *root, if (!in || !ln) { if (in) - node_free(in); + node_free_immediate(in); if (ln) - node_free(ln); + node_free_immediate(ln); return ERR_PTR(-ENOMEM); } @@ -643,7 +655,7 @@ static int fib6_commit_metrics(struct dst_entry *dst, if (dst->flags & DST_HOST) { mp = dst_metrics_write_ptr(dst); } else { - mp = kzalloc(sizeof(u32) * RTAX_MAX, GFP_ATOMIC); + mp = dst_alloc_metrics(GFP_ATOMIC | __GFP_ZERO); if (!mp) return -ENOMEM; dst_init_metrics(dst, mp, 0); @@ -824,7 +836,7 @@ static int fib6_add_rt2node(struct fib6_node *fn, struct rt6_info *rt, } rt->dst.rt6_next = iter; *ins = rt; - rt->rt6i_node = fn; + rcu_assign_pointer(rt->rt6i_node, fn); atomic_inc(&rt->rt6i_ref); inet6_rt_notify(RTM_NEWROUTE, rt, info); info->nl_net->ipv6.rt6_stats->fib_rt_entries++; @@ -849,7 +861,7 @@ static int fib6_add_rt2node(struct fib6_node *fn, struct rt6_info *rt, return err; } *ins = rt; - rt->rt6i_node = fn; + rcu_assign_pointer(rt->rt6i_node, fn); rt->dst.rt6_next = iter->dst.rt6_next; atomic_inc(&rt->rt6i_ref); inet6_rt_notify(RTM_NEWROUTE, rt, info); @@ -859,6 +871,8 @@ static int fib6_add_rt2node(struct fib6_node *fn, struct rt6_info *rt, } nsiblings = iter->rt6i_nsiblings; fib6_purge_rt(iter, fn, info->nl_net); + if (fn->rr_ptr == iter) + fn->rr_ptr = NULL; rt6_release(iter); if (nsiblings) { @@ -871,6 +885,8 @@ static int fib6_add_rt2node(struct fib6_node *fn, struct rt6_info *rt, if (rt6_qualify_for_ecmp(iter)) { *ins = iter->dst.rt6_next; fib6_purge_rt(iter, fn, info->nl_net); + if (fn->rr_ptr == iter) + fn->rr_ptr = NULL; rt6_release(iter); nsiblings--; } else { @@ -973,7 +989,7 @@ int fib6_add(struct fib6_node *root, struct rt6_info *rt, struct nl_info *info, root, and then (in st_failure) stale node in main tree. */ - node_free(sfn); + node_free_immediate(sfn); err = PTR_ERR(sn); goto st_failure; } @@ -1397,8 +1413,9 @@ static void fib6_del_route(struct fib6_node *fn, struct rt6_info **rtp, int fib6_del(struct rt6_info *rt, struct nl_info *info) { + struct fib6_node *fn = rcu_dereference_protected(rt->rt6i_node, + lockdep_is_held(&rt->rt6i_table->tb6_lock)); struct net *net = info->nl_net; - struct fib6_node *fn = rt->rt6i_node; struct rt6_info **rtp; #if RT6_DEBUG >= 2 @@ -1577,7 +1594,9 @@ static int fib6_clean_node(struct fib6_walker_t *w) if (res) { #if RT6_DEBUG >= 2 pr_debug("%s: del failed: rt=%p@%p err=%d\n", - __func__, rt, rt->rt6i_node, res); + __func__, rt, + rcu_access_pointer(rt->rt6i_node), + res); #endif continue; } diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c index c36764006d94..88a2d0ce326e 100644 --- a/net/ipv6/ip6_tunnel.c +++ b/net/ipv6/ip6_tunnel.c @@ -157,7 +157,7 @@ EXPORT_SYMBOL_GPL(ip6_tnl_dst_reset); void ip6_tnl_dst_store(struct ip6_tnl *t, struct dst_entry *dst) { struct rt6_info *rt = (struct rt6_info *) dst; - t->dst_cookie = rt->rt6i_node ? rt->rt6i_node->fn_sernum : 0; + t->dst_cookie = rt6_get_cookie(rt); dst_release(t->dst_cache); t->dst_cache = dst; } diff --git a/net/ipv6/netfilter/nft_reject_ipv6.c b/net/ipv6/netfilter/nft_reject_ipv6.c index 0bc19fa87821..367bd4841a0c 100644 --- a/net/ipv6/netfilter/nft_reject_ipv6.c +++ b/net/ipv6/netfilter/nft_reject_ipv6.c @@ -34,6 +34,8 @@ void nft_reject_ipv6_eval(const struct nft_expr *expr, case NFT_REJECT_TCP_RST: nf_send_reset6(net, pkt->skb, pkt->ops->hooknum); break; + default: + break; } data[NFT_REG_VERDICT].verdict = NF_DROP; diff --git a/net/ipv6/output_core.c b/net/ipv6/output_core.c index 19f9a4a339b5..e32c1ff35f78 100644 --- a/net/ipv6/output_core.c +++ b/net/ipv6/output_core.c @@ -52,7 +52,6 @@ int ip6_find_1stfragopt(struct sk_buff *skb, u8 **nexthdr) while (offset <= packet_len) { struct ipv6_opt_hdr *exthdr; - unsigned int len; switch (**nexthdr) { @@ -78,10 +77,9 @@ int ip6_find_1stfragopt(struct sk_buff *skb, u8 **nexthdr) exthdr = (struct ipv6_opt_hdr *)(skb_network_header(skb) + offset); - len = ipv6_optlen(exthdr); - if (len + offset >= IPV6_MAXPLEN) + offset += ipv6_optlen(exthdr); + if (offset > IPV6_MAXPLEN) return -EINVAL; - offset += len; *nexthdr = &exthdr->nexthdr; } diff --git a/net/ipv6/route.c b/net/ipv6/route.c index af2bc34cb81f..d791d769d858 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -247,7 +247,7 @@ static struct dst_ops ip6_dst_blackhole_ops = { .neigh_lookup = ip6_neigh_lookup, }; -static const u32 ip6_template_metrics[RTAX_MAX] = { +static const u32 ip6_template_metrics[RTAX_MAX] __aligned(DST_METRICS_ALIGNMENT) = { [RTAX_HOPLIMIT - 1] = 0, }; @@ -1090,6 +1090,7 @@ struct dst_entry *ip6_blackhole_route(struct net *net, struct dst_entry *dst_ori static struct dst_entry *ip6_dst_check(struct dst_entry *dst, u32 cookie) { struct rt6_info *rt; + u32 rt_cookie = 0; rt = (struct rt6_info *) dst; @@ -1097,7 +1098,7 @@ static struct dst_entry *ip6_dst_check(struct dst_entry *dst, u32 cookie) * DST_OBSOLETE_FORCE_CHK which forces validation calls down * into this function always. */ - if (!rt->rt6i_node || (rt->rt6i_node->fn_sernum != cookie)) + if (!rt6_get_cookie_safe(rt, &rt_cookie) || rt_cookie != cookie) return NULL; if (rt6_check_expired(rt)) @@ -1136,8 +1137,14 @@ static void ip6_link_failure(struct sk_buff *skb) dst_hold(&rt->dst); if (ip6_del_rt(rt)) dst_free(&rt->dst); - } else if (rt->rt6i_node && (rt->rt6i_flags & RTF_DEFAULT)) { - rt->rt6i_node->fn_sernum = -1; + } else { + struct fib6_node *fn; + + rcu_read_lock(); + fn = rcu_dereference(rt->rt6i_node); + if (fn && (rt->rt6i_flags & RTF_DEFAULT)) + fn->fn_sernum = -1; + rcu_read_unlock(); } } } @@ -1843,6 +1850,7 @@ static void rt6_do_redirect(struct dst_entry *dst, struct sock *sk, struct sk_bu if (on_link) nrt->rt6i_flags &= ~RTF_GATEWAY; + nrt->rt6i_protocol = RTPROT_REDIRECT; nrt->rt6i_gateway = *(struct in6_addr *)neigh->primary_key; if (ip6_ins_rt(nrt)) @@ -1950,6 +1958,7 @@ static struct rt6_info *rt6_add_route_info(struct net *net, .fc_dst_len = prefixlen, .fc_flags = RTF_GATEWAY | RTF_ADDRCONF | RTF_ROUTEINFO | RTF_UP | RTF_PREF(pref), + .fc_protocol = RTPROT_RA, .fc_nlinfo.portid = 0, .fc_nlinfo.nlh = NULL, .fc_nlinfo.nl_net = net, @@ -2000,6 +2009,7 @@ struct rt6_info *rt6_add_dflt_router(const struct in6_addr *gwaddr, .fc_ifindex = dev->ifindex, .fc_flags = RTF_GATEWAY | RTF_ADDRCONF | RTF_DEFAULT | RTF_UP | RTF_EXPIRES | RTF_PREF(pref), + .fc_protocol = RTPROT_RA, .fc_nlinfo.portid = 0, .fc_nlinfo.nlh = NULL, .fc_nlinfo.nl_net = dev_net(dev), @@ -2591,14 +2601,6 @@ static int rt6_fill_node(struct net *net, rtm->rtm_flags = 0; rtm->rtm_scope = RT_SCOPE_UNIVERSE; rtm->rtm_protocol = rt->rt6i_protocol; - if (rt->rt6i_flags & RTF_DYNAMIC) - rtm->rtm_protocol = RTPROT_REDIRECT; - else if (rt->rt6i_flags & RTF_ADDRCONF) { - if (rt->rt6i_flags & (RTF_DEFAULT | RTF_ROUTEINFO)) - rtm->rtm_protocol = RTPROT_RA; - else - rtm->rtm_protocol = RTPROT_KERNEL; - } if (rt->rt6i_flags & RTF_CACHE) rtm->rtm_flags |= RTM_F_CLONED; diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c index 4098243f6589..7d901c77a80e 100644 --- a/net/ipv6/tcp_ipv6.c +++ b/net/ipv6/tcp_ipv6.c @@ -98,8 +98,7 @@ static void inet6_sk_rx_dst_set(struct sock *sk, const struct sk_buff *skb) dst_hold(dst); sk->sk_rx_dst = dst; inet_sk(sk)->rx_dst_ifindex = skb->skb_iif; - if (rt->rt6i_node) - inet6_sk(sk)->rx_dst_cookie = rt->rt6i_node->fn_sernum; + inet6_sk(sk)->rx_dst_cookie = rt6_get_cookie(rt); } static void tcp_v6_hash(struct sock *sk) diff --git a/net/ipv6/udp_offload.c b/net/ipv6/udp_offload.c index 3dd9891cfa77..fa9ea1a72f99 100644 --- a/net/ipv6/udp_offload.c +++ b/net/ipv6/udp_offload.c @@ -90,7 +90,7 @@ static struct sk_buff *udp6_ufo_fragment(struct sk_buff *skb, csum = skb_checksum(skb, offset, skb->len - offset, 0); offset += skb->csum_offset; *(__sum16 *)(skb->data + offset) = csum_fold(csum); - skb->ip_summed = CHECKSUM_NONE; + skb->ip_summed = CHECKSUM_UNNECESSARY; /* Check if there is enough headroom to insert fragment header. */ tnl_hlen = skb_tnl_header_len(skb); diff --git a/net/ipv6/xfrm6_policy.c b/net/ipv6/xfrm6_policy.c index 28af4e66d87a..b7a06749fa11 100644 --- a/net/ipv6/xfrm6_policy.c +++ b/net/ipv6/xfrm6_policy.c @@ -85,8 +85,7 @@ static int xfrm6_init_path(struct xfrm_dst *path, struct dst_entry *dst, { if (dst->ops->family == AF_INET6) { struct rt6_info *rt = (struct rt6_info*)dst; - if (rt->rt6i_node) - path->path_cookie = rt->rt6i_node->fn_sernum; + path->path_cookie = rt6_get_cookie(rt); } path->u.rt6.rt6i_nfheader_len = nfheader_len; @@ -116,8 +115,7 @@ static int xfrm6_fill_dst(struct xfrm_dst *xdst, struct net_device *dev, RTF_LOCAL); xdst->u.rt6.rt6i_metric = rt->rt6i_metric; xdst->u.rt6.rt6i_node = rt->rt6i_node; - if (rt->rt6i_node) - xdst->route_cookie = rt->rt6i_node->fn_sernum; + xdst->route_cookie = rt6_get_cookie(rt); xdst->u.rt6.rt6i_gateway = rt->rt6i_gateway; xdst->u.rt6.rt6i_dst = rt->rt6i_dst; xdst->u.rt6.rt6i_src = rt->rt6i_src; diff --git a/net/key/af_key.c b/net/key/af_key.c index eac22fe84c4a..e33e850b5b3f 100644 --- a/net/key/af_key.c +++ b/net/key/af_key.c @@ -224,7 +224,7 @@ static int pfkey_broadcast_one(struct sk_buff *skb, struct sk_buff **skb2, #define BROADCAST_ONE 1 #define BROADCAST_REGISTERED 2 #define BROADCAST_PROMISC_ONLY 4 -static int pfkey_broadcast(struct sk_buff *skb, +static int pfkey_broadcast(struct sk_buff *skb, gfp_t allocation, int broadcast_flags, struct sock *one_sk, struct net *net) { @@ -274,7 +274,7 @@ static int pfkey_broadcast(struct sk_buff *skb, rcu_read_unlock(); if (one_sk != NULL) - err = pfkey_broadcast_one(skb, &skb2, GFP_KERNEL, one_sk); + err = pfkey_broadcast_one(skb, &skb2, allocation, one_sk); kfree_skb(skb2); kfree_skb(skb); @@ -307,7 +307,7 @@ static int pfkey_do_dump(struct pfkey_sock *pfk) hdr = (struct sadb_msg *) pfk->dump.skb->data; hdr->sadb_msg_seq = 0; hdr->sadb_msg_errno = rc; - pfkey_broadcast(pfk->dump.skb, BROADCAST_ONE, + pfkey_broadcast(pfk->dump.skb, GFP_ATOMIC, BROADCAST_ONE, &pfk->sk, sock_net(&pfk->sk)); pfk->dump.skb = NULL; } @@ -351,7 +351,7 @@ static int pfkey_error(const struct sadb_msg *orig, int err, struct sock *sk) hdr->sadb_msg_len = (sizeof(struct sadb_msg) / sizeof(uint64_t)); - pfkey_broadcast(skb, BROADCAST_ONE, sk, sock_net(sk)); + pfkey_broadcast(skb, GFP_KERNEL, BROADCAST_ONE, sk, sock_net(sk)); return 0; } @@ -1394,7 +1394,7 @@ static int pfkey_getspi(struct sock *sk, struct sk_buff *skb, const struct sadb_ xfrm_state_put(x); - pfkey_broadcast(resp_skb, BROADCAST_ONE, sk, net); + pfkey_broadcast(resp_skb, GFP_KERNEL, BROADCAST_ONE, sk, net); return 0; } @@ -1481,7 +1481,7 @@ static int key_notify_sa(struct xfrm_state *x, const struct km_event *c) hdr->sadb_msg_seq = c->seq; hdr->sadb_msg_pid = c->portid; - pfkey_broadcast(skb, BROADCAST_ALL, NULL, xs_net(x)); + pfkey_broadcast(skb, GFP_ATOMIC, BROADCAST_ALL, NULL, xs_net(x)); return 0; } @@ -1594,7 +1594,7 @@ static int pfkey_get(struct sock *sk, struct sk_buff *skb, const struct sadb_msg out_hdr->sadb_msg_reserved = 0; out_hdr->sadb_msg_seq = hdr->sadb_msg_seq; out_hdr->sadb_msg_pid = hdr->sadb_msg_pid; - pfkey_broadcast(out_skb, BROADCAST_ONE, sk, sock_net(sk)); + pfkey_broadcast(out_skb, GFP_ATOMIC, BROADCAST_ONE, sk, sock_net(sk)); return 0; } @@ -1699,8 +1699,8 @@ static int pfkey_register(struct sock *sk, struct sk_buff *skb, const struct sad return -ENOBUFS; } - pfkey_broadcast(supp_skb, BROADCAST_REGISTERED, sk, sock_net(sk)); - + pfkey_broadcast(supp_skb, GFP_KERNEL, BROADCAST_REGISTERED, sk, + sock_net(sk)); return 0; } @@ -1718,7 +1718,8 @@ static int unicast_flush_resp(struct sock *sk, const struct sadb_msg *ihdr) hdr->sadb_msg_errno = (uint8_t) 0; hdr->sadb_msg_len = (sizeof(struct sadb_msg) / sizeof(uint64_t)); - return pfkey_broadcast(skb, BROADCAST_ONE, sk, sock_net(sk)); + return pfkey_broadcast(skb, GFP_ATOMIC, BROADCAST_ONE, sk, + sock_net(sk)); } static int key_notify_sa_flush(const struct km_event *c) @@ -1739,7 +1740,7 @@ static int key_notify_sa_flush(const struct km_event *c) hdr->sadb_msg_len = (sizeof(struct sadb_msg) / sizeof(uint64_t)); hdr->sadb_msg_reserved = 0; - pfkey_broadcast(skb, BROADCAST_ALL, NULL, c->net); + pfkey_broadcast(skb, GFP_ATOMIC, BROADCAST_ALL, NULL, c->net); return 0; } @@ -1796,7 +1797,7 @@ static int dump_sa(struct xfrm_state *x, int count, void *ptr) out_hdr->sadb_msg_pid = pfk->dump.msg_portid; if (pfk->dump.skb) - pfkey_broadcast(pfk->dump.skb, BROADCAST_ONE, + pfkey_broadcast(pfk->dump.skb, GFP_ATOMIC, BROADCAST_ONE, &pfk->sk, sock_net(&pfk->sk)); pfk->dump.skb = out_skb; @@ -1884,7 +1885,7 @@ static int pfkey_promisc(struct sock *sk, struct sk_buff *skb, const struct sadb new_hdr->sadb_msg_errno = 0; } - pfkey_broadcast(skb, BROADCAST_ALL, NULL, sock_net(sk)); + pfkey_broadcast(skb, GFP_KERNEL, BROADCAST_ALL, NULL, sock_net(sk)); return 0; } @@ -2218,7 +2219,7 @@ static int key_notify_policy(struct xfrm_policy *xp, int dir, const struct km_ev out_hdr->sadb_msg_errno = 0; out_hdr->sadb_msg_seq = c->seq; out_hdr->sadb_msg_pid = c->portid; - pfkey_broadcast(out_skb, BROADCAST_ALL, NULL, xp_net(xp)); + pfkey_broadcast(out_skb, GFP_ATOMIC, BROADCAST_ALL, NULL, xp_net(xp)); return 0; } @@ -2438,7 +2439,7 @@ static int key_pol_get_resp(struct sock *sk, struct xfrm_policy *xp, const struc out_hdr->sadb_msg_errno = 0; out_hdr->sadb_msg_seq = hdr->sadb_msg_seq; out_hdr->sadb_msg_pid = hdr->sadb_msg_pid; - pfkey_broadcast(out_skb, BROADCAST_ONE, sk, xp_net(xp)); + pfkey_broadcast(out_skb, GFP_ATOMIC, BROADCAST_ONE, sk, xp_net(xp)); err = 0; out: @@ -2692,7 +2693,7 @@ static int dump_sp(struct xfrm_policy *xp, int dir, int count, void *ptr) out_hdr->sadb_msg_pid = pfk->dump.msg_portid; if (pfk->dump.skb) - pfkey_broadcast(pfk->dump.skb, BROADCAST_ONE, + pfkey_broadcast(pfk->dump.skb, GFP_ATOMIC, BROADCAST_ONE, &pfk->sk, sock_net(&pfk->sk)); pfk->dump.skb = out_skb; @@ -2749,7 +2750,7 @@ static int key_notify_policy_flush(const struct km_event *c) hdr->sadb_msg_satype = SADB_SATYPE_UNSPEC; hdr->sadb_msg_len = (sizeof(struct sadb_msg) / sizeof(uint64_t)); hdr->sadb_msg_reserved = 0; - pfkey_broadcast(skb_out, BROADCAST_ALL, NULL, c->net); + pfkey_broadcast(skb_out, GFP_ATOMIC, BROADCAST_ALL, NULL, c->net); return 0; } @@ -2811,7 +2812,7 @@ static int pfkey_process(struct sock *sk, struct sk_buff *skb, const struct sadb void *ext_hdrs[SADB_EXT_MAX]; int err; - pfkey_broadcast(skb_clone(skb, GFP_KERNEL), + pfkey_broadcast(skb_clone(skb, GFP_KERNEL), GFP_KERNEL, BROADCAST_PROMISC_ONLY, NULL, sock_net(sk)); memset(ext_hdrs, 0, sizeof(ext_hdrs)); @@ -3033,7 +3034,8 @@ static int key_notify_sa_expire(struct xfrm_state *x, const struct km_event *c) out_hdr->sadb_msg_seq = 0; out_hdr->sadb_msg_pid = 0; - pfkey_broadcast(out_skb, BROADCAST_REGISTERED, NULL, xs_net(x)); + pfkey_broadcast(out_skb, GFP_ATOMIC, BROADCAST_REGISTERED, NULL, + xs_net(x)); return 0; } @@ -3223,7 +3225,8 @@ static int pfkey_send_acquire(struct xfrm_state *x, struct xfrm_tmpl *t, struct xfrm_ctx->ctx_len); } - return pfkey_broadcast(skb, BROADCAST_REGISTERED, NULL, xs_net(x)); + return pfkey_broadcast(skb, GFP_ATOMIC, BROADCAST_REGISTERED, NULL, + xs_net(x)); } static struct xfrm_policy *pfkey_compile_policy(struct sock *sk, int opt, @@ -3421,7 +3424,8 @@ static int pfkey_send_new_mapping(struct xfrm_state *x, xfrm_address_t *ipaddr, n_port->sadb_x_nat_t_port_port = sport; n_port->sadb_x_nat_t_port_reserved = 0; - return pfkey_broadcast(skb, BROADCAST_REGISTERED, NULL, xs_net(x)); + return pfkey_broadcast(skb, GFP_ATOMIC, BROADCAST_REGISTERED, NULL, + xs_net(x)); } #ifdef CONFIG_NET_KEY_MIGRATE @@ -3613,7 +3617,7 @@ static int pfkey_send_migrate(const struct xfrm_selector *sel, u8 dir, u8 type, } /* broadcast migrate message to sockets */ - pfkey_broadcast(skb, BROADCAST_ALL, NULL, &init_net); + pfkey_broadcast(skb, GFP_ATOMIC, BROADCAST_ALL, NULL, &init_net); return 0; diff --git a/net/l2tp/l2tp_core.c b/net/l2tp/l2tp_core.c index 384d92ecd26a..45374242d19a 100644 --- a/net/l2tp/l2tp_core.c +++ b/net/l2tp/l2tp_core.c @@ -112,53 +112,19 @@ struct l2tp_net { spinlock_t l2tp_session_hlist_lock; }; -static void l2tp_tunnel_free(struct l2tp_tunnel *tunnel); static inline struct l2tp_tunnel *l2tp_tunnel(struct sock *sk) { return sk->sk_user_data; } -static inline struct l2tp_net *l2tp_pernet(struct net *net) +static inline struct l2tp_net *l2tp_pernet(const struct net *net) { BUG_ON(!net); return net_generic(net, l2tp_net_id); } -/* Tunnel reference counts. Incremented per session that is added to - * the tunnel. - */ -static inline void l2tp_tunnel_inc_refcount_1(struct l2tp_tunnel *tunnel) -{ - atomic_inc(&tunnel->ref_count); -} - -static inline void l2tp_tunnel_dec_refcount_1(struct l2tp_tunnel *tunnel) -{ - if (atomic_dec_and_test(&tunnel->ref_count)) - l2tp_tunnel_free(tunnel); -} -#ifdef L2TP_REFCNT_DEBUG -#define l2tp_tunnel_inc_refcount(_t) \ -do { \ - pr_debug("l2tp_tunnel_inc_refcount: %s:%d %s: cnt=%d\n", \ - __func__, __LINE__, (_t)->name, \ - atomic_read(&_t->ref_count)); \ - l2tp_tunnel_inc_refcount_1(_t); \ -} while (0) -#define l2tp_tunnel_dec_refcount(_t) -do { \ - pr_debug("l2tp_tunnel_dec_refcount: %s:%d %s: cnt=%d\n", \ - __func__, __LINE__, (_t)->name, \ - atomic_read(&_t->ref_count)); \ - l2tp_tunnel_dec_refcount_1(_t); \ -} while (0) -#else -#define l2tp_tunnel_inc_refcount(t) l2tp_tunnel_inc_refcount_1(t) -#define l2tp_tunnel_dec_refcount(t) l2tp_tunnel_dec_refcount_1(t) -#endif - /* Session hash global list for L2TPv3. * The session_id SHOULD be random according to RFC3931, but several * L2TP implementations use incrementing session_ids. So we do a real @@ -277,10 +243,31 @@ struct l2tp_session *l2tp_session_find(struct net *net, struct l2tp_tunnel *tunn } EXPORT_SYMBOL_GPL(l2tp_session_find); +/* Lookup a tunnel. A new reference is held on the returned tunnel. */ +struct l2tp_tunnel *l2tp_tunnel_get(const struct net *net, u32 tunnel_id) +{ + const struct l2tp_net *pn = l2tp_pernet(net); + struct l2tp_tunnel *tunnel; + + rcu_read_lock_bh(); + list_for_each_entry_rcu(tunnel, &pn->l2tp_tunnel_list, list) { + if (tunnel->tunnel_id == tunnel_id) { + l2tp_tunnel_inc_refcount(tunnel); + rcu_read_unlock_bh(); + + return tunnel; + } + } + rcu_read_unlock_bh(); + + return NULL; +} +EXPORT_SYMBOL_GPL(l2tp_tunnel_get); + /* Like l2tp_session_find() but takes a reference on the returned session. * Optionally calls session->ref() too if do_ref is true. */ -struct l2tp_session *l2tp_session_get(struct net *net, +struct l2tp_session *l2tp_session_get(const struct net *net, struct l2tp_tunnel *tunnel, u32 session_id, bool do_ref) { @@ -355,7 +342,8 @@ EXPORT_SYMBOL_GPL(l2tp_session_get_nth); /* Lookup a session by interface name. * This is very inefficient but is only used by management interfaces. */ -struct l2tp_session *l2tp_session_get_by_ifname(struct net *net, char *ifname, +struct l2tp_session *l2tp_session_get_by_ifname(const struct net *net, + const char *ifname, bool do_ref) { struct l2tp_net *pn = l2tp_pernet(net); @@ -1395,17 +1383,6 @@ static void l2tp_udp_encap_destroy(struct sock *sk) } } -/* Really kill the tunnel. - * Come here only when all sessions have been cleared from the tunnel. - */ -static void l2tp_tunnel_free(struct l2tp_tunnel *tunnel) -{ - BUG_ON(atomic_read(&tunnel->ref_count) != 0); - BUG_ON(tunnel->sock != NULL); - l2tp_info(tunnel, L2TP_MSG_CONTROL, "%s: free...\n", tunnel->name); - kfree_rcu(tunnel, rcu); -} - /* Workqueue tunnel deletion function */ static void l2tp_tunnel_del_work(struct work_struct *work) { @@ -1929,6 +1906,8 @@ struct l2tp_session *l2tp_session_create(int priv_size, struct l2tp_tunnel *tunn l2tp_session_set_header_len(session, tunnel->version); + l2tp_session_inc_refcount(session); + err = l2tp_session_add_to_tunnel(tunnel, session); if (err) { kfree(session); @@ -1936,10 +1915,6 @@ struct l2tp_session *l2tp_session_create(int priv_size, struct l2tp_tunnel *tunn return ERR_PTR(err); } - /* Bump the reference count. The session context is deleted - * only when this drops to zero. - */ - l2tp_session_inc_refcount(session); l2tp_tunnel_inc_refcount(tunnel); /* Ensure tunnel socket isn't deleted */ diff --git a/net/l2tp/l2tp_core.h b/net/l2tp/l2tp_core.h index 12b08016a312..2219f9d8d961 100644 --- a/net/l2tp/l2tp_core.h +++ b/net/l2tp/l2tp_core.h @@ -240,7 +240,9 @@ static inline struct l2tp_tunnel *l2tp_sock_to_tunnel(struct sock *sk) return tunnel; } -struct l2tp_session *l2tp_session_get(struct net *net, +struct l2tp_tunnel *l2tp_tunnel_get(const struct net *net, u32 tunnel_id); + +struct l2tp_session *l2tp_session_get(const struct net *net, struct l2tp_tunnel *tunnel, u32 session_id, bool do_ref); struct l2tp_session *l2tp_session_find(struct net *net, @@ -248,7 +250,8 @@ struct l2tp_session *l2tp_session_find(struct net *net, u32 session_id); struct l2tp_session *l2tp_session_get_nth(struct l2tp_tunnel *tunnel, int nth, bool do_ref); -struct l2tp_session *l2tp_session_get_by_ifname(struct net *net, char *ifname, +struct l2tp_session *l2tp_session_get_by_ifname(const struct net *net, + const char *ifname, bool do_ref); struct l2tp_tunnel *l2tp_tunnel_find(struct net *net, u32 tunnel_id); struct l2tp_tunnel *l2tp_tunnel_find_nth(struct net *net, int nth); @@ -280,6 +283,17 @@ int l2tp_nl_register_ops(enum l2tp_pwtype pw_type, void l2tp_nl_unregister_ops(enum l2tp_pwtype pw_type); int l2tp_ioctl(struct sock *sk, int cmd, unsigned long arg); +static inline void l2tp_tunnel_inc_refcount(struct l2tp_tunnel *tunnel) +{ + atomic_inc(&tunnel->ref_count); +} + +static inline void l2tp_tunnel_dec_refcount(struct l2tp_tunnel *tunnel) +{ + if (atomic_dec_and_test(&tunnel->ref_count)) + kfree_rcu(tunnel, rcu); +} + /* Session reference counts. Incremented when code obtains a reference * to a session. */ diff --git a/net/l2tp/l2tp_netlink.c b/net/l2tp/l2tp_netlink.c index a492a781ce9e..6727f16afd44 100644 --- a/net/l2tp/l2tp_netlink.c +++ b/net/l2tp/l2tp_netlink.c @@ -60,10 +60,12 @@ static struct l2tp_session *l2tp_nl_session_get(struct genl_info *info, (info->attrs[L2TP_ATTR_CONN_ID])) { tunnel_id = nla_get_u32(info->attrs[L2TP_ATTR_CONN_ID]); session_id = nla_get_u32(info->attrs[L2TP_ATTR_SESSION_ID]); - tunnel = l2tp_tunnel_find(net, tunnel_id); - if (tunnel) + tunnel = l2tp_tunnel_get(net, tunnel_id); + if (tunnel) { session = l2tp_session_get(net, tunnel, session_id, do_ref); + l2tp_tunnel_dec_refcount(tunnel); + } } return session; @@ -207,14 +209,16 @@ static int l2tp_nl_cmd_tunnel_delete(struct sk_buff *skb, struct genl_info *info } tunnel_id = nla_get_u32(info->attrs[L2TP_ATTR_CONN_ID]); - tunnel = l2tp_tunnel_find(net, tunnel_id); - if (tunnel == NULL) { + tunnel = l2tp_tunnel_get(net, tunnel_id); + if (!tunnel) { ret = -ENODEV; goto out; } (void) l2tp_tunnel_delete(tunnel); + l2tp_tunnel_dec_refcount(tunnel); + out: return ret; } @@ -232,8 +236,8 @@ static int l2tp_nl_cmd_tunnel_modify(struct sk_buff *skb, struct genl_info *info } tunnel_id = nla_get_u32(info->attrs[L2TP_ATTR_CONN_ID]); - tunnel = l2tp_tunnel_find(net, tunnel_id); - if (tunnel == NULL) { + tunnel = l2tp_tunnel_get(net, tunnel_id); + if (!tunnel) { ret = -ENODEV; goto out; } @@ -241,6 +245,8 @@ static int l2tp_nl_cmd_tunnel_modify(struct sk_buff *skb, struct genl_info *info if (info->attrs[L2TP_ATTR_DEBUG]) tunnel->debug = nla_get_u32(info->attrs[L2TP_ATTR_DEBUG]); + l2tp_tunnel_dec_refcount(tunnel); + out: return ret; } @@ -343,34 +349,37 @@ static int l2tp_nl_cmd_tunnel_get(struct sk_buff *skb, struct genl_info *info) if (!info->attrs[L2TP_ATTR_CONN_ID]) { ret = -EINVAL; - goto out; + goto err; } tunnel_id = nla_get_u32(info->attrs[L2TP_ATTR_CONN_ID]); - tunnel = l2tp_tunnel_find(net, tunnel_id); - if (tunnel == NULL) { - ret = -ENODEV; - goto out; - } - msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); if (!msg) { ret = -ENOMEM; - goto out; + goto err; + } + + tunnel = l2tp_tunnel_get(net, tunnel_id); + if (!tunnel) { + ret = -ENODEV; + goto err_nlmsg; } ret = l2tp_nl_tunnel_send(msg, info->snd_portid, info->snd_seq, NLM_F_ACK, tunnel); if (ret < 0) - goto err_out; + goto err_nlmsg_tunnel; + + l2tp_tunnel_dec_refcount(tunnel); return genlmsg_unicast(net, msg, info->snd_portid); -err_out: +err_nlmsg_tunnel: + l2tp_tunnel_dec_refcount(tunnel); +err_nlmsg: nlmsg_free(msg); - -out: +err: return ret; } @@ -406,7 +415,6 @@ static int l2tp_nl_cmd_session_create(struct sk_buff *skb, struct genl_info *inf u32 peer_session_id; int ret = 0; struct l2tp_tunnel *tunnel; - struct l2tp_session *session; struct l2tp_session_cfg cfg = { 0, }; struct net *net = genl_info_net(info); @@ -414,8 +422,9 @@ static int l2tp_nl_cmd_session_create(struct sk_buff *skb, struct genl_info *inf ret = -EINVAL; goto out; } + tunnel_id = nla_get_u32(info->attrs[L2TP_ATTR_CONN_ID]); - tunnel = l2tp_tunnel_find(net, tunnel_id); + tunnel = l2tp_tunnel_get(net, tunnel_id); if (!tunnel) { ret = -ENODEV; goto out; @@ -423,29 +432,24 @@ static int l2tp_nl_cmd_session_create(struct sk_buff *skb, struct genl_info *inf if (!info->attrs[L2TP_ATTR_SESSION_ID]) { ret = -EINVAL; - goto out; + goto out_tunnel; } session_id = nla_get_u32(info->attrs[L2TP_ATTR_SESSION_ID]); - session = l2tp_session_find(net, tunnel, session_id); - if (session) { - ret = -EEXIST; - goto out; - } if (!info->attrs[L2TP_ATTR_PEER_SESSION_ID]) { ret = -EINVAL; - goto out; + goto out_tunnel; } peer_session_id = nla_get_u32(info->attrs[L2TP_ATTR_PEER_SESSION_ID]); if (!info->attrs[L2TP_ATTR_PW_TYPE]) { ret = -EINVAL; - goto out; + goto out_tunnel; } cfg.pw_type = nla_get_u16(info->attrs[L2TP_ATTR_PW_TYPE]); if (cfg.pw_type >= __L2TP_PWTYPE_MAX) { ret = -EINVAL; - goto out; + goto out_tunnel; } if (tunnel->version > 2) { @@ -467,7 +471,7 @@ static int l2tp_nl_cmd_session_create(struct sk_buff *skb, struct genl_info *inf u16 len = nla_len(info->attrs[L2TP_ATTR_COOKIE]); if (len > 8) { ret = -EINVAL; - goto out; + goto out_tunnel; } cfg.cookie_len = len; memcpy(&cfg.cookie[0], nla_data(info->attrs[L2TP_ATTR_COOKIE]), len); @@ -476,7 +480,7 @@ static int l2tp_nl_cmd_session_create(struct sk_buff *skb, struct genl_info *inf u16 len = nla_len(info->attrs[L2TP_ATTR_PEER_COOKIE]); if (len > 8) { ret = -EINVAL; - goto out; + goto out_tunnel; } cfg.peer_cookie_len = len; memcpy(&cfg.peer_cookie[0], nla_data(info->attrs[L2TP_ATTR_PEER_COOKIE]), len); @@ -512,7 +516,7 @@ static int l2tp_nl_cmd_session_create(struct sk_buff *skb, struct genl_info *inf if ((l2tp_nl_cmd_ops[cfg.pw_type] == NULL) || (l2tp_nl_cmd_ops[cfg.pw_type]->session_create == NULL)) { ret = -EPROTONOSUPPORT; - goto out; + goto out_tunnel; } /* Check that pseudowire-specific params are present */ @@ -522,7 +526,7 @@ static int l2tp_nl_cmd_session_create(struct sk_buff *skb, struct genl_info *inf case L2TP_PWTYPE_ETH_VLAN: if (!info->attrs[L2TP_ATTR_VLAN_ID]) { ret = -EINVAL; - goto out; + goto out_tunnel; } break; case L2TP_PWTYPE_ETH: @@ -541,6 +545,8 @@ static int l2tp_nl_cmd_session_create(struct sk_buff *skb, struct genl_info *inf ret = (*l2tp_nl_cmd_ops[cfg.pw_type]->session_create)(net, tunnel_id, session_id, peer_session_id, &cfg); +out_tunnel: + l2tp_tunnel_dec_refcount(tunnel); out: return ret; } diff --git a/net/mac80211/key.c b/net/mac80211/key.c index 947daa9d3346..398cc91aff65 100644 --- a/net/mac80211/key.c +++ b/net/mac80211/key.c @@ -3,6 +3,7 @@ * Copyright 2005-2006, Devicescape Software, Inc. * Copyright 2006-2007 Jiri Benc <jbenc@xxxxxxx> * Copyright 2007-2008 Johannes Berg <johannes@xxxxxxxxxxxxxxxx> + * Copyright 2017 Intel Deutschland GmbH * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as @@ -487,9 +488,6 @@ int ieee80211_key_link(struct ieee80211_key *key, pairwise = key->conf.flags & IEEE80211_KEY_FLAG_PAIRWISE; idx = key->conf.keyidx; - key->local = sdata->local; - key->sdata = sdata; - key->sta = sta; mutex_lock(&sdata->local->key_mtx); @@ -500,6 +498,21 @@ int ieee80211_key_link(struct ieee80211_key *key, else old_key = key_mtx_dereference(sdata->local, sdata->keys[idx]); + /* + * Silently accept key re-installation without really installing the + * new version of the key to avoid nonce reuse or replay issues. + */ + if (old_key && key->conf.keylen == old_key->conf.keylen && + !memcmp(key->conf.key, old_key->conf.key, key->conf.keylen)) { + ieee80211_key_free_unused(key); + ret = 0; + goto out; + } + + key->local = sdata->local; + key->sdata = sdata; + key->sta = sta; + increment_tailroom_need_count(sdata); ieee80211_key_replace(sdata, sta, pairwise, old_key, key); @@ -515,6 +528,7 @@ int ieee80211_key_link(struct ieee80211_key *key, ret = 0; } + out: mutex_unlock(&sdata->local->key_mtx); return ret; diff --git a/net/netfilter/ipvs/ip_vs_xmit.c b/net/netfilter/ipvs/ip_vs_xmit.c index 180f7624bcd4..7abd786d9d89 100644 --- a/net/netfilter/ipvs/ip_vs_xmit.c +++ b/net/netfilter/ipvs/ip_vs_xmit.c @@ -373,7 +373,7 @@ __ip_vs_get_out_rt_v6(struct sk_buff *skb, struct ip_vs_dest *dest, goto err_unreach; } rt = (struct rt6_info *) dst; - cookie = rt->rt6i_node ? rt->rt6i_node->fn_sernum : 0; + cookie = rt6_get_cookie(rt); __ip_vs_dst_set(dest, dest_dst, &rt->dst, cookie); spin_unlock_bh(&dest->dst_lock); IP_VS_DBG(10, "new dst %pI6, src %pI6, refcnt=%d\n", diff --git a/net/netfilter/nft_compat.c b/net/netfilter/nft_compat.c index 62097fda49dc..55be1e0a4a7f 100644 --- a/net/netfilter/nft_compat.c +++ b/net/netfilter/nft_compat.c @@ -295,11 +295,11 @@ static void nft_match_eval(const struct nft_expr *expr, return; } - switch(ret) { - case true: + switch (ret ? 1 : 0) { + case 1: data[NFT_REG_VERDICT].verdict = NFT_CONTINUE; break; - case false: + case 0: data[NFT_REG_VERDICT].verdict = NFT_BREAK; break; } diff --git a/net/netfilter/nft_ct.c b/net/netfilter/nft_ct.c index cc5603016242..18d520e0ca0a 100644 --- a/net/netfilter/nft_ct.c +++ b/net/netfilter/nft_ct.c @@ -56,6 +56,8 @@ static void nft_ct_get_eval(const struct nft_expr *expr, state = NF_CT_STATE_BIT(ctinfo); dest->data[0] = state; return; + default: + break; } if (ct == NULL) @@ -117,6 +119,8 @@ static void nft_ct_get_eval(const struct nft_expr *expr, return; } #endif + default: + break; } tuple = &ct->tuplehash[priv->dir].tuple; @@ -141,6 +145,8 @@ static void nft_ct_get_eval(const struct nft_expr *expr, case NFT_CT_PROTO_DST: dest->data[0] = (__force __u16)tuple->dst.u.all; return; + default: + break; } return; err: @@ -172,6 +178,8 @@ static void nft_ct_set_eval(const struct nft_expr *expr, } break; #endif + default: + break; } } diff --git a/net/netfilter/nft_reject.c b/net/netfilter/nft_reject.c index f3448c296446..5d5d1df34f77 100644 --- a/net/netfilter/nft_reject.c +++ b/net/netfilter/nft_reject.c @@ -61,6 +61,8 @@ int nft_reject_dump(struct sk_buff *skb, const struct nft_expr *expr) if (nla_put_u8(skb, NFTA_REJECT_ICMP_CODE, priv->icmp_code)) goto nla_put_failure; break; + default: + break; } return 0; diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c index d798c2fcd114..f5bf29c033bd 100644 --- a/net/packet/af_packet.c +++ b/net/packet/af_packet.c @@ -214,6 +214,7 @@ static void prb_clear_rxhash(struct tpacket_kbdq_core *, static void prb_fill_vlan_info(struct tpacket_kbdq_core *, struct tpacket3_hdr *); static void packet_flush_mclist(struct sock *sk); +static void packet_pick_tx_queue(struct net_device *dev, struct sk_buff *skb); struct packet_skb_cb { unsigned int origlen; @@ -266,6 +267,7 @@ static int packet_direct_xmit(struct sk_buff *skb) goto drop; } + packet_pick_tx_queue(dev, skb); queue_map = skb_get_queue_mapping(skb); txq = netdev_get_tx_queue(dev, queue_map); @@ -1457,10 +1459,6 @@ static int fanout_add(struct sock *sk, u16 id, u16 type_flags) mutex_lock(&fanout_mutex); - err = -EINVAL; - if (!po->running) - goto out; - err = -EALREADY; if (po->fanout) goto out; @@ -1497,7 +1495,10 @@ static int fanout_add(struct sock *sk, u16 id, u16 type_flags) list_add(&match->list, &fanout_list); } err = -EINVAL; - if (match->type == type && + + spin_lock(&po->bind_lock); + if (po->running && + match->type == type && match->prot_hook.type == po->prot_hook.type && match->prot_hook.dev == po->prot_hook.dev) { err = -ENOSPC; @@ -1509,6 +1510,13 @@ static int fanout_add(struct sock *sk, u16 id, u16 type_flags) err = 0; } } + spin_unlock(&po->bind_lock); + + if (err && !atomic_read(&match->sk_ref)) { + list_del(&match->list); + kfree(match); + } + out: mutex_unlock(&fanout_mutex); return err; @@ -2343,8 +2351,6 @@ static int tpacket_snd(struct packet_sock *po, struct msghdr *msg) } } - packet_pick_tx_queue(dev, skb); - skb->destructor = tpacket_destruct_skb; __packet_set_status(po, ph, TP_STATUS_SENDING); packet_inc_pending(&po->tx_ring); @@ -2551,8 +2557,6 @@ static int packet_snd(struct socket *sock, struct msghdr *msg, size_t len) skb->priority = sk->sk_priority; skb->mark = sk->sk_mark; - packet_pick_tx_queue(dev, skb); - if (po->has_vnet_hdr) { if (vnet_hdr.flags & VIRTIO_NET_HDR_F_NEEDS_CSUM) { if (!skb_partial_csum_set(skb, vnet_hdr.csum_start, @@ -2692,13 +2696,15 @@ static int packet_do_bind(struct sock *sk, const char *name, int ifindex, int ret = 0; bool unlisted = false; - if (po->fanout) - return -EINVAL; - lock_sock(sk); spin_lock(&po->bind_lock); rcu_read_lock(); + if (po->fanout) { + ret = -EINVAL; + goto out_unlock; + } + if (name) { dev = dev_get_by_name_rcu(sock_net(sk), name); if (!dev) { diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c index 8b7e7e25bd72..2403a7b126f6 100644 --- a/net/sched/sch_api.c +++ b/net/sched/sch_api.c @@ -978,6 +978,8 @@ qdisc_create(struct net_device *dev, struct netdev_queue *dev_queue, return sch; } + /* ops->init() failed, we call ->destroy() like qdisc_create_dflt() */ + ops->destroy(sch); err_out3: dev_put(dev); kfree((char *) sch - sch->padded); diff --git a/net/sched/sch_cbq.c b/net/sched/sch_cbq.c index fc0ea5c63521..56d1262d8593 100644 --- a/net/sched/sch_cbq.c +++ b/net/sched/sch_cbq.c @@ -1364,6 +1364,13 @@ static int cbq_init(struct Qdisc *sch, struct nlattr *opt) struct tc_ratespec *r; int err; + qdisc_watchdog_init(&q->watchdog, sch); + hrtimer_init(&q->delay_timer, CLOCK_MONOTONIC, HRTIMER_MODE_ABS_PINNED); + q->delay_timer.function = cbq_undelay; + + if (!opt) + return -EINVAL; + err = nla_parse_nested(tb, TCA_CBQ_MAX, opt, cbq_policy); if (err < 0) return err; @@ -1402,9 +1409,6 @@ static int cbq_init(struct Qdisc *sch, struct nlattr *opt) q->link.avpkt = q->link.allot/2; q->link.minidle = -0x7FFFFFFF; - qdisc_watchdog_init(&q->watchdog, sch); - hrtimer_init(&q->delay_timer, CLOCK_MONOTONIC, HRTIMER_MODE_ABS); - q->delay_timer.function = cbq_undelay; q->toplevel = TC_CBQ_MAXLEVEL; q->now = psched_get_time(); q->now_rt = q->now; diff --git a/net/sched/sch_fq_codel.c b/net/sched/sch_fq_codel.c index 633be4b72e20..3de2fd89e7fe 100644 --- a/net/sched/sch_fq_codel.c +++ b/net/sched/sch_fq_codel.c @@ -411,10 +411,8 @@ static int fq_codel_init(struct Qdisc *sch, struct nlattr *opt) if (!q->flows) return -ENOMEM; q->backlogs = fq_codel_zalloc(q->flows_cnt * sizeof(u32)); - if (!q->backlogs) { - fq_codel_free(q->flows); + if (!q->backlogs) return -ENOMEM; - } for (i = 0; i < q->flows_cnt; i++) { struct fq_codel_flow *flow = q->flows + i; diff --git a/net/sched/sch_hfsc.c b/net/sched/sch_hfsc.c index 90bc6e56f112..4cbcf532e55b 100644 --- a/net/sched/sch_hfsc.c +++ b/net/sched/sch_hfsc.c @@ -1432,6 +1432,8 @@ hfsc_init_qdisc(struct Qdisc *sch, struct nlattr *opt) struct tc_hfsc_qopt *qopt; int err; + qdisc_watchdog_init(&q->watchdog, sch); + if (opt == NULL || nla_len(opt) < sizeof(*qopt)) return -EINVAL; qopt = nla_data(opt); @@ -1457,8 +1459,6 @@ hfsc_init_qdisc(struct Qdisc *sch, struct nlattr *opt) qdisc_class_hash_insert(&q->clhash, &q->root.cl_common); qdisc_class_hash_grow(sch, &q->clhash); - qdisc_watchdog_init(&q->watchdog, sch); - return 0; } diff --git a/net/sched/sch_hhf.c b/net/sched/sch_hhf.c index cdc1836810c2..33cf9e5ae352 100644 --- a/net/sched/sch_hhf.c +++ b/net/sched/sch_hhf.c @@ -509,6 +509,9 @@ static void hhf_destroy(struct Qdisc *sch) hhf_free(q->hhf_valid_bits[i]); } + if (!q->hh_flows) + return; + for (i = 0; i < HH_FLOWS_CNT; i++) { struct hh_flow_state *flow, *next; struct list_head *head = &q->hh_flows[i]; @@ -644,7 +647,9 @@ static int hhf_init(struct Qdisc *sch, struct nlattr *opt) q->hhf_arrays[i] = hhf_zalloc(HHF_ARRAYS_LEN * sizeof(u32)); if (!q->hhf_arrays[i]) { - hhf_destroy(sch); + /* Note: hhf_destroy() will be called + * by our caller. + */ return -ENOMEM; } } @@ -655,7 +660,9 @@ static int hhf_init(struct Qdisc *sch, struct nlattr *opt) q->hhf_valid_bits[i] = hhf_zalloc(HHF_ARRAYS_LEN / BITS_PER_BYTE); if (!q->hhf_valid_bits[i]) { - hhf_destroy(sch); + /* Note: hhf_destroy() will be called + * by our caller. + */ return -ENOMEM; } } diff --git a/net/sched/sch_htb.c b/net/sched/sch_htb.c index b169a8a05a5d..ac0e30dd1ed9 100644 --- a/net/sched/sch_htb.c +++ b/net/sched/sch_htb.c @@ -1025,6 +1025,9 @@ static int htb_init(struct Qdisc *sch, struct nlattr *opt) int err; int i; + qdisc_watchdog_init(&q->watchdog, sch); + INIT_WORK(&q->work, htb_work_func); + if (!opt) return -EINVAL; @@ -1045,8 +1048,6 @@ static int htb_init(struct Qdisc *sch, struct nlattr *opt) for (i = 0; i < TC_HTB_NUMPRIO; i++) INIT_LIST_HEAD(q->drops + i); - qdisc_watchdog_init(&q->watchdog, sch); - INIT_WORK(&q->work, htb_work_func); skb_queue_head_init(&q->direct_queue); if (tb[TCA_HTB_DIRECT_QLEN]) diff --git a/net/sched/sch_mq.c b/net/sched/sch_mq.c index a8b2864a696b..0c6db36b6a82 100644 --- a/net/sched/sch_mq.c +++ b/net/sched/sch_mq.c @@ -52,7 +52,7 @@ static int mq_init(struct Qdisc *sch, struct nlattr *opt) /* pre-allocate qdiscs, attachment can't fail */ priv->qdiscs = kcalloc(dev->num_tx_queues, sizeof(priv->qdiscs[0]), GFP_KERNEL); - if (priv->qdiscs == NULL) + if (!priv->qdiscs) return -ENOMEM; for (ntx = 0; ntx < dev->num_tx_queues; ntx++) { @@ -60,18 +60,14 @@ static int mq_init(struct Qdisc *sch, struct nlattr *opt) qdisc = qdisc_create_dflt(dev_queue, default_qdisc_ops, TC_H_MAKE(TC_H_MAJ(sch->handle), TC_H_MIN(ntx + 1))); - if (qdisc == NULL) - goto err; + if (!qdisc) + return -ENOMEM; priv->qdiscs[ntx] = qdisc; qdisc->flags |= TCQ_F_ONETXQUEUE; } sch->flags |= TCQ_F_MQROOT; return 0; - -err: - mq_destroy(sch); - return -ENOMEM; } static void mq_attach(struct Qdisc *sch) diff --git a/net/sched/sch_mqprio.c b/net/sched/sch_mqprio.c index 6749e2f540d0..626170d568ce 100644 --- a/net/sched/sch_mqprio.c +++ b/net/sched/sch_mqprio.c @@ -117,20 +117,17 @@ static int mqprio_init(struct Qdisc *sch, struct nlattr *opt) /* pre-allocate qdisc, attachment can't fail */ priv->qdiscs = kcalloc(dev->num_tx_queues, sizeof(priv->qdiscs[0]), GFP_KERNEL); - if (priv->qdiscs == NULL) { - err = -ENOMEM; - goto err; - } + if (!priv->qdiscs) + return -ENOMEM; for (i = 0; i < dev->num_tx_queues; i++) { dev_queue = netdev_get_tx_queue(dev, i); qdisc = qdisc_create_dflt(dev_queue, default_qdisc_ops, TC_H_MAKE(TC_H_MAJ(sch->handle), TC_H_MIN(i + 1))); - if (qdisc == NULL) { - err = -ENOMEM; - goto err; - } + if (!qdisc) + return -ENOMEM; + priv->qdiscs[i] = qdisc; qdisc->flags |= TCQ_F_ONETXQUEUE; } @@ -143,7 +140,7 @@ static int mqprio_init(struct Qdisc *sch, struct nlattr *opt) priv->hw_owned = 1; err = dev->netdev_ops->ndo_setup_tc(dev, qopt->num_tc); if (err) - goto err; + return err; } else { netdev_set_num_tc(dev, qopt->num_tc); for (i = 0; i < qopt->num_tc; i++) @@ -157,10 +154,6 @@ static int mqprio_init(struct Qdisc *sch, struct nlattr *opt) sch->flags |= TCQ_F_MQROOT; return 0; - -err: - mqprio_destroy(sch); - return err; } static void mqprio_attach(struct Qdisc *sch) diff --git a/net/sched/sch_multiq.c b/net/sched/sch_multiq.c index 946392276385..e70f51863e01 100644 --- a/net/sched/sch_multiq.c +++ b/net/sched/sch_multiq.c @@ -253,7 +253,7 @@ static int multiq_tune(struct Qdisc *sch, struct nlattr *opt) static int multiq_init(struct Qdisc *sch, struct nlattr *opt) { struct multiq_sched_data *q = qdisc_priv(sch); - int i, err; + int i; q->queues = NULL; @@ -268,12 +268,7 @@ static int multiq_init(struct Qdisc *sch, struct nlattr *opt) for (i = 0; i < q->max_bands; i++) q->queues[i] = &noop_qdisc; - err = multiq_tune(sch, opt); - - if (err) - kfree(q->queues); - - return err; + return multiq_tune(sch, opt); } static int multiq_dump(struct Qdisc *sch, struct sk_buff *skb) diff --git a/net/sched/sch_netem.c b/net/sched/sch_netem.c index aa9e07816feb..cbf402451c20 100644 --- a/net/sched/sch_netem.c +++ b/net/sched/sch_netem.c @@ -956,11 +956,11 @@ static int netem_init(struct Qdisc *sch, struct nlattr *opt) struct netem_sched_data *q = qdisc_priv(sch); int ret; + qdisc_watchdog_init(&q->watchdog, sch); + if (!opt) return -EINVAL; - qdisc_watchdog_init(&q->watchdog, sch); - q->loss_model = CLG_RANDOM; ret = netem_change(sch, opt); if (ret) diff --git a/net/sched/sch_sfq.c b/net/sched/sch_sfq.c index 78a5d7d43634..baebaaa995c1 100644 --- a/net/sched/sch_sfq.c +++ b/net/sched/sch_sfq.c @@ -460,6 +460,7 @@ sfq_enqueue(struct sk_buff *skb, struct Qdisc *sch) qdisc_drop(head, sch); slot_queue_add(slot, skb); + qdisc_tree_reduce_backlog(sch, 0, delta); return NET_XMIT_CN; } @@ -491,8 +492,10 @@ sfq_enqueue(struct sk_buff *skb, struct Qdisc *sch) /* Return Congestion Notification only if we dropped a packet * from this flow. */ - if (qlen != slot->qlen) + if (qlen != slot->qlen) { + qdisc_tree_reduce_backlog(sch, 0, dropped - qdisc_pkt_len(skb)); return NET_XMIT_CN; + } /* As we dropped a packet, better let upper stack know this */ qdisc_tree_reduce_backlog(sch, 1, dropped); @@ -767,9 +770,10 @@ static int sfq_init(struct Qdisc *sch, struct nlattr *opt) q->ht = sfq_alloc(sizeof(q->ht[0]) * q->divisor); q->slots = sfq_alloc(sizeof(q->slots[0]) * q->maxflows); if (!q->ht || !q->slots) { - sfq_destroy(sch); + /* Note: sfq_destroy() will be called by our caller */ return -ENOMEM; } + for (i = 0; i < q->divisor; i++) q->ht[i] = SFQ_EMPTY_SLOT; diff --git a/net/sched/sch_tbf.c b/net/sched/sch_tbf.c index 7c9545f1a391..8e7b508914c5 100644 --- a/net/sched/sch_tbf.c +++ b/net/sched/sch_tbf.c @@ -431,12 +431,13 @@ static int tbf_init(struct Qdisc *sch, struct nlattr *opt) { struct tbf_sched_data *q = qdisc_priv(sch); + qdisc_watchdog_init(&q->watchdog, sch); + q->qdisc = &noop_qdisc; + if (opt == NULL) return -EINVAL; q->t_c = ktime_to_ns(ktime_get()); - qdisc_watchdog_init(&q->watchdog, sch); - q->qdisc = &noop_qdisc; return tbf_change(sch, opt); } diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c index 8ad13ba731b9..7f47fbdeb414 100644 --- a/net/sctp/ipv6.c +++ b/net/sctp/ipv6.c @@ -331,7 +331,7 @@ static void sctp_v6_get_dst(struct sctp_transport *t, union sctp_addr *saddr, rt = (struct rt6_info *)dst; t->dst = dst; - t->dst_cookie = rt->rt6i_node ? rt->rt6i_node->fn_sernum : 0; + t->dst_cookie = rt6_get_cookie(rt); pr_debug("rt6_dst:%pI6 rt6_src:%pI6\n", &rt->rt6i_dst.addr, &fl6->saddr); } else { diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c index a6d54a9a1133..c28716452211 100644 --- a/net/xfrm/xfrm_user.c +++ b/net/xfrm/xfrm_user.c @@ -1752,6 +1752,7 @@ static int build_aevent(struct sk_buff *skb, struct xfrm_state *x, const struct return -EMSGSIZE; id = nlmsg_data(nlh); + memset(&id->sa_id, 0, sizeof(id->sa_id)); memcpy(&id->sa_id.daddr, &x->id.daddr, sizeof(x->id.daddr)); id->sa_id.spi = x->id.spi; id->sa_id.family = x->props.family; @@ -2552,6 +2553,7 @@ static int xfrm_notify_sa(struct xfrm_state *x, const struct km_event *c) struct nlattr *attr; id = nlmsg_data(nlh); + memset(id, 0, sizeof(*id)); memcpy(&id->daddr, &x->id.daddr, sizeof(id->daddr)); id->spi = x->id.spi; id->family = x->props.family; diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c index 9d9c5b905b35..2241d036b63a 100644 --- a/scripts/mod/modpost.c +++ b/scripts/mod/modpost.c @@ -798,6 +798,7 @@ static int number_prefix(const char *sym) * where the '1' can be any number including several digits. * The $ syntax is for sections where ld append a dot number * to make section name unique. + * "*foo*" will match a string that contains "foo" */ static int match(const char *sym, const char * const pat[]) { @@ -806,8 +807,17 @@ static int match(const char *sym, const char * const pat[]) p = *pat++; const char *endp = p + strlen(p) - 1; + /* "*foo*" */ + if (*p == '*' && *endp == '*') { + char *here, *bare = strndup(p + 1, strlen(p) - 2); + + here = strstr(sym, bare); + free(bare); + if (here != NULL) + return 1; + } /* "*foo" */ - if (*p == '*') { + else if (*p == '*') { if (strrcmp(sym, p + 1) == 0) return 1; } @@ -920,6 +930,10 @@ static const char *init_sections[] = { ALL_INIT_SECTIONS, NULL }; static const char *init_exit_sections[] = {ALL_INIT_SECTIONS, ALL_EXIT_SECTIONS, NULL }; +/* all text sections */ +static const char *const text_sections[] = { ALL_INIT_TEXT_SECTIONS, + ALL_EXIT_TEXT_SECTIONS, TEXT_SECTIONS, NULL }; + /* data section */ static const char *data_sections[] = { DATA_SECTIONS, NULL }; @@ -938,6 +952,7 @@ static const char *data_sections[] = { DATA_SECTIONS, NULL }; static const char *head_sections[] = { ".head.text*", NULL }; static const char *linker_symbols[] = { "__init_begin", "_sinittext", "_einittext", NULL }; +static const char *const optim_symbols[] = { "*.constprop.*", NULL }; enum mismatch { TEXT_TO_ANY_INIT, @@ -1095,6 +1110,17 @@ static const struct sectioncheck *section_mismatch( * This pattern is identified by * refsymname = __init_begin, _sinittext, _einittext * + * Pattern 5: + * GCC may optimize static inlines when fed constant arg(s) resulting + * in functions like cpumask_empty() -- generating an associated symbol + * cpumask_empty.constprop.3 that appears in the audit. If the const that + * is passed in comes from __init, like say nmi_ipi_mask, we get a + * meaningless section warning. May need to add isra symbols too... + * This pattern is identified by + * tosec = init section + * fromsec = text section + * refsymname = *.constprop.* + * **/ static int secref_whitelist(const struct sectioncheck *mismatch, const char *fromsec, const char *fromsym, @@ -1127,6 +1153,12 @@ static int secref_whitelist(const struct sectioncheck *mismatch, if (match(tosym, linker_symbols)) return 0; + /* Check for pattern 5 */ + if (match(fromsec, text_sections) && + match(tosec, init_sections) && + match(fromsym, optim_symbols)) + return 0; + return 1; } diff --git a/security/keys/key.c b/security/keys/key.c index 07cd1fe2a496..58ebea254519 100644 --- a/security/keys/key.c +++ b/security/keys/key.c @@ -901,6 +901,16 @@ key_ref_t key_create_or_update(key_ref_t keyring_ref, */ __key_link_end(keyring, &index_key, edit); + key = key_ref_to_ptr(key_ref); + if (test_bit(KEY_FLAG_USER_CONSTRUCT, &key->flags)) { + ret = wait_for_key_construction(key, true); + if (ret < 0) { + key_ref_put(key_ref); + key_ref = ERR_PTR(ret); + goto error_free_prep; + } + } + key_ref = __key_update(key_ref, &prep); goto error_free_prep; } diff --git a/security/keys/keyctl.c b/security/keys/keyctl.c index edc3f3c32324..4598617c66de 100644 --- a/security/keys/keyctl.c +++ b/security/keys/keyctl.c @@ -735,6 +735,11 @@ long keyctl_read_key(key_serial_t keyid, char __user *buffer, size_t buflen) key = key_ref_to_ptr(key_ref); + if (test_bit(KEY_FLAG_NEGATIVE, &key->flags)) { + ret = -ENOKEY; + goto error2; + } + /* see if we can read it directly */ ret = key_permission(key_ref, KEY_NEED_READ); if (ret == 0) diff --git a/sound/core/control.c b/sound/core/control.c index 665020b7c82e..fdffe37d40b8 100644 --- a/sound/core/control.c +++ b/sound/core/control.c @@ -1087,7 +1087,7 @@ static int snd_ctl_elem_user_tlv(struct snd_kcontrol *kcontrol, mutex_lock(&ue->card->user_ctl_lock); change = ue->tlv_data_size != size; if (!change) - change = memcmp(ue->tlv_data, new_data, size); + change = memcmp(ue->tlv_data, new_data, size) != 0; kfree(ue->tlv_data); ue->tlv_data = new_data; ue->tlv_data_size = size; diff --git a/sound/core/seq/seq_clientmgr.c b/sound/core/seq/seq_clientmgr.c index 7825e7e69ab4..a3988a4bcfd6 100644 --- a/sound/core/seq/seq_clientmgr.c +++ b/sound/core/seq/seq_clientmgr.c @@ -1260,6 +1260,7 @@ static int snd_seq_ioctl_create_port(struct snd_seq_client *client, struct snd_seq_client_port *port; struct snd_seq_port_info info; struct snd_seq_port_callback *callback; + int port_idx; if (copy_from_user(&info, arg, sizeof(info))) return -EFAULT; @@ -1273,7 +1274,9 @@ static int snd_seq_ioctl_create_port(struct snd_seq_client *client, return -ENOMEM; if (client->type == USER_CLIENT && info.kernel) { - snd_seq_delete_port(client, port->addr.port); + port_idx = port->addr.port; + snd_seq_port_unlock(port); + snd_seq_delete_port(client, port_idx); return -EINVAL; } if (client->type == KERNEL_CLIENT) { @@ -1295,6 +1298,7 @@ static int snd_seq_ioctl_create_port(struct snd_seq_client *client, snd_seq_set_port_info(port, &info); snd_seq_system_client_ev_port_start(port->addr.client, port->addr.port); + snd_seq_port_unlock(port); if (copy_to_user(arg, &info, sizeof(info))) return -EFAULT; diff --git a/sound/core/seq/seq_lock.c b/sound/core/seq/seq_lock.c index 12ba83367b1b..ba5752ee9af3 100644 --- a/sound/core/seq/seq_lock.c +++ b/sound/core/seq/seq_lock.c @@ -23,8 +23,6 @@ #include <sound/core.h> #include "seq_lock.h" -#if defined(CONFIG_SMP) || defined(CONFIG_SND_DEBUG) - /* wait until all locks are released */ void snd_use_lock_sync_helper(snd_use_lock_t *lockp, const char *file, int line) { @@ -42,5 +40,3 @@ void snd_use_lock_sync_helper(snd_use_lock_t *lockp, const char *file, int line) } EXPORT_SYMBOL(snd_use_lock_sync_helper); - -#endif diff --git a/sound/core/seq/seq_lock.h b/sound/core/seq/seq_lock.h index 54044bc2c9ef..ac38031c370e 100644 --- a/sound/core/seq/seq_lock.h +++ b/sound/core/seq/seq_lock.h @@ -3,8 +3,6 @@ #include <linux/sched.h> -#if defined(CONFIG_SMP) || defined(CONFIG_SND_DEBUG) - typedef atomic_t snd_use_lock_t; /* initialize lock */ @@ -20,14 +18,4 @@ typedef atomic_t snd_use_lock_t; void snd_use_lock_sync_helper(snd_use_lock_t *lock, const char *file, int line); #define snd_use_lock_sync(lockp) snd_use_lock_sync_helper(lockp, __BASE_FILE__, __LINE__) -#else /* SMP || CONFIG_SND_DEBUG */ - -typedef spinlock_t snd_use_lock_t; /* dummy */ -#define snd_use_lock_init(lockp) /**/ -#define snd_use_lock_use(lockp) /**/ -#define snd_use_lock_free(lockp) /**/ -#define snd_use_lock_sync(lockp) /**/ - -#endif /* SMP || CONFIG_SND_DEBUG */ - #endif /* __SND_SEQ_LOCK_H */ diff --git a/sound/core/seq/seq_ports.c b/sound/core/seq/seq_ports.c index 9c1c8d50f593..1ddae911255c 100644 --- a/sound/core/seq/seq_ports.c +++ b/sound/core/seq/seq_ports.c @@ -122,7 +122,9 @@ static void port_subs_info_init(struct snd_seq_port_subs_info *grp) } -/* create a port, port number is returned (-1 on failure) */ +/* create a port, port number is returned (-1 on failure); + * the caller needs to unref the port via snd_seq_port_unlock() appropriately + */ struct snd_seq_client_port *snd_seq_create_port(struct snd_seq_client *client, int port) { @@ -151,6 +153,7 @@ struct snd_seq_client_port *snd_seq_create_port(struct snd_seq_client *client, snd_use_lock_init(&new_port->use_lock); port_subs_info_init(&new_port->c_src); port_subs_info_init(&new_port->c_dest); + snd_use_lock_use(&new_port->use_lock); num = port >= 0 ? port : 0; mutex_lock(&client->ports_mutex); @@ -165,9 +168,9 @@ struct snd_seq_client_port *snd_seq_create_port(struct snd_seq_client *client, list_add_tail(&new_port->list, &p->list); client->num_ports++; new_port->addr.port = num; /* store the port number in the port */ + sprintf(new_port->name, "port-%d", num); write_unlock_irqrestore(&client->ports_lock, flags); mutex_unlock(&client->ports_mutex); - sprintf(new_port->name, "port-%d", num); return new_port; } diff --git a/sound/pci/hda/patch_conexant.c b/sound/pci/hda/patch_conexant.c index ced54249c171..2086353ec6af 100644 --- a/sound/pci/hda/patch_conexant.c +++ b/sound/pci/hda/patch_conexant.c @@ -3438,6 +3438,7 @@ static const struct snd_pci_quirk cxt5066_fixups[] = { SND_PCI_QUIRK(0x17aa, 0x390b, "Lenovo G50-80", CXT_FIXUP_STEREO_DMIC), SND_PCI_QUIRK(0x17aa, 0x3975, "Lenovo U300s", CXT_FIXUP_STEREO_DMIC), SND_PCI_QUIRK(0x17aa, 0x3977, "Lenovo IdeaPad U310", CXT_FIXUP_STEREO_DMIC), + SND_PCI_QUIRK(0x17aa, 0x3978, "Lenovo G50-70", CXT_FIXUP_STEREO_DMIC), SND_PCI_QUIRK(0x17aa, 0x397b, "Lenovo S205", CXT_FIXUP_STEREO_DMIC), SND_PCI_QUIRK_VENDOR(0x17aa, "Thinkpad", CXT_FIXUP_THINKPAD_ACPI), SND_PCI_QUIRK(0x1c06, 0x2011, "Lemote A1004", CXT_PINCFG_LEMOTE_A1004), diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index 1b8fa72a6302..5c2b5c949c78 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -2285,6 +2285,7 @@ static const struct snd_pci_quirk alc882_fixup_tbl[] = { SND_PCI_QUIRK(0x1043, 0x8691, "ASUS ROG Ranger VIII", ALC882_FIXUP_GPIO3), SND_PCI_QUIRK(0x104d, 0x9047, "Sony Vaio TT", ALC889_FIXUP_VAIO_TT), SND_PCI_QUIRK(0x104d, 0x905a, "Sony Vaio Z", ALC882_FIXUP_NO_PRIMARY_HP), + SND_PCI_QUIRK(0x104d, 0x9060, "Sony Vaio VPCL14M1R", ALC882_FIXUP_NO_PRIMARY_HP), SND_PCI_QUIRK(0x104d, 0x9043, "Sony Vaio VGC-LN51JGB", ALC882_FIXUP_NO_PRIMARY_HP), SND_PCI_QUIRK(0x104d, 0x9044, "Sony VAIO AiO", ALC882_FIXUP_NO_PRIMARY_HP), diff --git a/sound/soc/codecs/adau1977.c b/sound/soc/codecs/adau1977.c index fd55da7cb9d4..70ab35744aba 100644 --- a/sound/soc/codecs/adau1977.c +++ b/sound/soc/codecs/adau1977.c @@ -968,7 +968,7 @@ int adau1977_probe(struct device *dev, struct regmap *regmap, if (adau1977->dvdd_reg) power_off_mask = ~0; else - power_off_mask = ~ADAU1977_BLOCK_POWER_SAI_LDO_EN; + power_off_mask = (unsigned int)~ADAU1977_BLOCK_POWER_SAI_LDO_EN; ret = regmap_update_bits(adau1977->regmap, ADAU1977_REG_BLOCK_POWER_SAI, power_off_mask, 0x00); diff --git a/sound/soc/fsl/fsl_sai.c b/sound/soc/fsl/fsl_sai.c index c5a0e8af8226..60465646fed8 100644 --- a/sound/soc/fsl/fsl_sai.c +++ b/sound/soc/fsl/fsl_sai.c @@ -333,8 +333,7 @@ static int fsl_sai_trigger(struct snd_pcm_substream *substream, int cmd, * The transmitter bit clock and frame sync are to be * used by both the transmitter and receiver. */ - regmap_update_bits(sai->regmap, FSL_SAI_TCR2, FSL_SAI_CR2_SYNC, - ~FSL_SAI_CR2_SYNC); + regmap_update_bits(sai->regmap, FSL_SAI_TCR2, FSL_SAI_CR2_SYNC, 0); regmap_update_bits(sai->regmap, FSL_SAI_RCR2, FSL_SAI_CR2_SYNC, FSL_SAI_CR2_SYNC); diff --git a/sound/soc/fsl/fsl_ssi.c b/sound/soc/fsl/fsl_ssi.c index 9bfef55d77d1..3043d576856b 100644 --- a/sound/soc/fsl/fsl_ssi.c +++ b/sound/soc/fsl/fsl_ssi.c @@ -590,8 +590,8 @@ static int fsl_ssi_set_bclk(struct snd_pcm_substream *substream, else clkrate = clk_round_rate(ssi_private->baudclk, tmprate); - do_div(clkrate, factor); - afreq = (u32)clkrate / (i + 1); + clkrate /= factor; + afreq = clkrate / (i + 1); if (freq == afreq) sub = 0; diff --git a/sound/soc/fsl/imx-audmux.c b/sound/soc/fsl/imx-audmux.c index 267717aa96c1..46f9beb6b273 100644 --- a/sound/soc/fsl/imx-audmux.c +++ b/sound/soc/fsl/imx-audmux.c @@ -67,7 +67,7 @@ static ssize_t audmux_read_file(struct file *file, char __user *user_buf, { ssize_t ret; char *buf; - int port = (int)file->private_data; + uintptr_t port = (uintptr_t)file->private_data; u32 pdcr, ptcr; if (audmux_clk) { @@ -147,7 +147,7 @@ static const struct file_operations audmux_debugfs_fops = { static void audmux_debugfs_init(void) { - int i; + uintptr_t i; char buf[20]; audmux_debugfs_root = debugfs_create_dir("audmux", NULL); @@ -157,10 +157,10 @@ static void audmux_debugfs_init(void) } for (i = 0; i < MX31_AUDMUX_PORT7_SSI_PINS_7 + 1; i++) { - snprintf(buf, sizeof(buf), "ssi%d", i); + snprintf(buf, sizeof(buf), "ssi%lu", i); if (!debugfs_create_file(buf, 0444, audmux_debugfs_root, (void *)i, &audmux_debugfs_fops)) - pr_warning("Failed to create AUDMUX port %d debugfs file\n", + pr_warning("Failed to create AUDMUX port %lu debugfs file\n", i); } } diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c index 9fa664de8580..0b44e605c1d2 100644 --- a/sound/soc/soc-pcm.c +++ b/sound/soc/soc-pcm.c @@ -150,6 +150,10 @@ int dpcm_dapm_stream_event(struct snd_soc_pcm_runtime *fe, int dir, dev_dbg(be->dev, "ASoC: BE %s event %d dir %d\n", be->dai_link->name, event, dir); + if ((event == SND_SOC_DAPM_STREAM_STOP) && + (be->dpcm[dir].users >= 1)) + continue; + snd_soc_dapm_stream_event(be, dir, event); } diff --git a/sound/usb/card.c b/sound/usb/card.c index 8887f4e19956..32ed66722c54 100644 --- a/sound/usb/card.c +++ b/sound/usb/card.c @@ -219,6 +219,7 @@ static int snd_usb_create_streams(struct snd_usb_audio *chip, int ctrlif) struct usb_interface_descriptor *altsd; void *control_header; int i, protocol; + int rest_bytes; /* find audiocontrol interface */ host_iface = &usb_ifnum_to_if(dev, ctrlif)->altsetting[0]; @@ -233,6 +234,15 @@ static int snd_usb_create_streams(struct snd_usb_audio *chip, int ctrlif) return -EINVAL; } + rest_bytes = (void *)(host_iface->extra + host_iface->extralen) - + control_header; + + /* just to be sure -- this shouldn't hit at all */ + if (rest_bytes <= 0) { + dev_err(&dev->dev, "invalid control header\n"); + return -EINVAL; + } + switch (protocol) { default: dev_warn(&dev->dev, @@ -243,11 +253,21 @@ static int snd_usb_create_streams(struct snd_usb_audio *chip, int ctrlif) case UAC_VERSION_1: { struct uac1_ac_header_descriptor *h1 = control_header; + if (rest_bytes < sizeof(*h1)) { + dev_err(&dev->dev, "too short v1 buffer descriptor\n"); + return -EINVAL; + } + if (!h1->bInCollection) { dev_info(&dev->dev, "skipping empty audio interface (v1)\n"); return -EINVAL; } + if (rest_bytes < h1->bLength) { + dev_err(&dev->dev, "invalid buffer length (v1)\n"); + return -EINVAL; + } + if (h1->bLength < sizeof(*h1) + h1->bInCollection) { dev_err(&dev->dev, "invalid UAC_HEADER (v1)\n"); return -EINVAL; diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c index 5d249caf3349..6d7605db36d0 100644 --- a/sound/usb/mixer.c +++ b/sound/usb/mixer.c @@ -533,6 +533,8 @@ int snd_usb_mixer_vol_tlv(struct snd_kcontrol *kcontrol, int op_flag, if (size < sizeof(scale)) return -ENOMEM; + if (cval->min_mute) + scale[0] = SNDRV_CTL_TLVT_DB_MINMAX_MUTE; scale[2] = cval->dBmin; scale[3] = cval->dBmax; if (copy_to_user(_tlv, scale, sizeof(scale))) @@ -2156,6 +2158,9 @@ static int parse_audio_unit(struct mixer_build *state, int unitid) static void snd_usb_mixer_free(struct usb_mixer_interface *mixer) { + /* kill pending URBs */ + snd_usb_mixer_disconnect(&mixer->list); + kfree(mixer->id_elems); if (mixer->urb) { kfree(mixer->urb->transfer_buffer); @@ -2492,8 +2497,13 @@ void snd_usb_mixer_disconnect(struct list_head *p) struct usb_mixer_interface *mixer; mixer = list_entry(p, struct usb_mixer_interface, list); - usb_kill_urb(mixer->urb); - usb_kill_urb(mixer->rc_urb); + if (mixer->disconnected) + return; + if (mixer->urb) + usb_kill_urb(mixer->urb); + if (mixer->rc_urb) + usb_kill_urb(mixer->rc_urb); + mixer->disconnected = true; } #ifdef CONFIG_PM diff --git a/sound/usb/mixer.h b/sound/usb/mixer.h index 73b1f649447b..483cbe89430a 100644 --- a/sound/usb/mixer.h +++ b/sound/usb/mixer.h @@ -23,6 +23,8 @@ struct usb_mixer_interface { u8 audigy2nx_leds[3]; u8 xonar_u1_status; + + bool disconnected; }; #define MAX_CHANNELS 16 /* max logical channels */ @@ -53,6 +55,7 @@ struct usb_mixer_elem_info { int cached; int cache_val[MAX_CHANNELS]; u8 initialized; + u8 min_mute; }; int snd_usb_create_mixer(struct snd_usb_audio *chip, int ctrlif, diff --git a/sound/usb/mixer_quirks.c b/sound/usb/mixer_quirks.c index 10ef6ce8f8bb..89d32f066561 100644 --- a/sound/usb/mixer_quirks.c +++ b/sound/usb/mixer_quirks.c @@ -1759,6 +1759,12 @@ void snd_usb_mixer_fu_apply_quirk(struct usb_mixer_interface *mixer, if (unitid == 7 && cval->control == UAC_FU_VOLUME) snd_dragonfly_quirk_db_scale(mixer, cval, kctl); break; + /* lowest playback value is muted on C-Media devices */ + case USB_ID(0x0d8c, 0x000c): + case USB_ID(0x0d8c, 0x0014): + if (strstr(kctl->id.name, "Playback")) + cval->min_mute = 1; + break; } } diff --git a/tools/perf/ui/browser.c b/tools/perf/ui/browser.c index 3ccf6e14f89b..8c8ac8c255a9 100644 --- a/tools/perf/ui/browser.c +++ b/tools/perf/ui/browser.c @@ -670,7 +670,7 @@ static void __ui_browser__line_arrow_down(struct ui_browser *browser, ui_browser__gotorc(browser, row, column + 1); SLsmg_draw_hline(2); - if (row++ == 0) + if (++row == 0) goto out; } else row = 0;
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