[errors] arch/arm/include/asm/dma-mapping.h:94:2: error: implicit declaration of function 'debug_dma_mapping_error' [-Werror=implicit-function-declaration] drivers/acpi/osl.c:629:29: error: 'max_low_pfn_mapped' undeclared (first use in this function) drivers/staging/telephony/ixj.c:7732:38: error: expected ';' before 'pci_resource_start' drivers/scsi/gdth.c:1111:34: error: lvalue required as left operand of assignment net/core/sock.c:1267:3: error: too many arguments to function 'sock_update_classid' [warnings] drivers/staging/telephony/ixj.c:7732:13: warning: assignment makes integer from pointer without a cast [enabled by default] drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c:1742:2: warning: 'err' may be used uninitialized in this function [-Wmaybe-uninitialized] drivers/gpu/drm/nouveau/core/subdev/gpio/nv50.c:81:9: warning: 'reg' may be used uninitialized in this function [-Wmaybe-uninitialized] [sparse] init/main.c:163:13: sparse: undefined identifier '__setup_very_very_end' [smatch] drivers/usb/host/ehci-lpm.c:95 ehci_update_device() error: we previously assumed 'udev->parent' could be null (see line 92) drivers/usb/chipidea/../host/ehci-lpm.c:95 ehci_update_device() error: we previously assumed 'udev->parent' could be null (see line 92) drivers/input/tablet/wacom_sys.c:394 wacom_parse_hid() warn: should this be a bitwise op? drivers/gpio/gpiolib.c:774 gpio_export() warn: inconsistent returns mutex:&sysfs_lock: locked (731) unlocked (712,717,767,774) drivers/hwmon/w83627ehf.c:2672 w83627ehf_resume() error: buffer overflow 'W83627EHF_REG_TEMP_OFFSET' 3 <= 8 drivers/hwmon/w83627ehf.c:2673 w83627ehf_resume() error: buffer overflow 'data->temp_offset' 3 <= 8 drivers/misc/mei/main.c:787 mei_write() warn: maybe return -EFAULT instead of the bytes remaining? drivers/usb/serial/usb_wwan.c:505 usb_wwan_port_probe() error: port->bulk_out_endpointAddress is never equal to -1 (wrong type 0 - 255). [cppcheck] In file included from drivers/net/caif/caif_spi_slave.c: arch/x86/include/asm/module.h:59: error: unknown processor family In file included from fs/nfsd/nfsfh.c: include/linux/jiffies.h:39: error: #error Invalid value of HZ. In file included from drivers/net/ethernet/mellanox/mlx4/pd.c: In file included from drivers/misc/bh1780gli.c: In file included from drivers/media/pci/cx18/cx18-audio.c: drivers/media/pci/cx18/cx18-driver.h:70: error: "This driver requires kernel PCI support." In file included from fs/ntfs/debug.c: In file included from drivers/rapidio/switches/tsi57x.c: In file included from drivers/usb/host/ohci-hcd.c: drivers/usb/host/ohci-hcd.c:1132: error: "missing bus glue for ohci-hcd" In file included from drivers/net/wireless/b43legacy/main.c: drivers/net/wireless/b43legacy/b43legacy.h:775: error: "Using neither DMA nor PIO? Confused..." In file included from drivers/usb/host/uhci-hcd.c: drivers/usb/host/uhci-hcd.c:855: error: "missing bus glue for uhci-hcd" In file included from net/llc/sysctl_net_llc.c: net/llc/sysctl_net_llc.c:14: error: This file should not be compiled without CONFIG_SYSCTL defined In file included from drivers/net/wireless/b43legacy/ilt.c: In file included from drivers/net/wireless/b43legacy/phy.c: kernel/rcutree.h:73: error: "CONFIG_RCU_FANOUT insufficient for NR_CPUS" In file included from drivers/usb/host/pci-quirks.c: include/linux/slub_def.h:161: warning: Using sizeof with a numeric constant as function argument might not be what you intended. include/linux/sched.h:161: warning: Using sizeof with a numeric constant as function argument might not be what you intended. arch/x86/include/asm/paravirt.h:25: warning: Redundant assignment of "__eax" to itself arch/x86/include/asm/paravirt.h:25: warning: Redundant assignment of "__edx" to itself arch/x86/include/asm/paravirt.h:25: warning: Redundant assignment of "__ecx" to itself arch/x86/include/asm/processor.h:945: style: Same expression on both sides of '|'. arch/x86/include/asm/tsc.h:27: style: Same expression on both sides of '|'. arch/x86/include/asm/acpi.h:158: style: Same expression on both sides of '|'. arch/x86/include/asm/apic.h:496: style: Same expression on both sides of '|'. arch/x86/include/asm/smp.h:29: style: Same expression on both sides of '|'. arch/x86/include/asm/pgtable.h:165: style: Same expression on both sides of '|'. include/linux/slub_def.h:161: style: Same expression on both sides of '&'. arch/x86/include/asm/percpu.h:510: style: Statements following return, break, continue, goto or throw will never be executed. arch/x86/include/asm/current.h:14: style: Statements following return, break, continue, goto or throw will never be executed. arch/x86/include/asm/paravirt.h:40: style: Statements following return, break, continue, goto or throw will never be executed. arch/x86/include/asm/processor.h:171: style: Statements following return, break, continue, goto or throw will never be executed. arch/x86/include/asm/atomic.h:182: style: Statements following return, break, continue, goto or throw will never be executed. include/linux/debug_locks.h:16: style: Statements following return, break, continue, goto or throw will never be executed. arch/x86/include/asm/spinlock.h:76: style: Statements following return, break, continue, goto or throw will never be executed. include/linux/spinlock.h:350: style: Statements following return, break, continue, goto or throw will never be executed. include/linux/kobject.h:175: style: Statements following return, break, continue, goto or throw will never be executed. include/linux/jiffies.h:305: style: Statements following return, break, continue, goto or throw will never be executed. include/linux/workqueue.h:110: style: Statements following return, break, continue, goto or throw will never be executed. include/linux/device.h:700: style: Statements following return, break, continue, goto or throw will never be executed. include/linux/nodemask.h:239: style: Statements following return, break, continue, goto or throw will never be executed. arch/x86/include/asm/rwsem.h:207: style: Statements following return, break, continue, goto or throw will never be executed. include/linux/rcupdate.h:383: style: Statements following return, break, continue, goto or throw will never be executed. arch/x86/include/asm/apic.h:662: style: Statements following return, break, continue, goto or throw will never be executed. arch/x86/include/asm/smp.h:43: style: Statements following return, break, continue, goto or throw will never be executed. arch/x86/include/asm/mmzone_32.h:56: style: Statements following return, break, continue, goto or throw will never be executed. include/linux/topology.h:185: style: Statements following return, break, continue, goto or throw will never be executed. include/linux/mm.h:743: style: Statements following return, break, continue, goto or throw will never be executed. include/linux/scatterlist.h:186: style: Statements following return, break, continue, goto or throw will never be executed. include/linux/plist.h:240: style: Statements following return, break, continue, goto or throw will never be executed. include/linux/llist.h:178: style: Statements following return, break, continue, goto or throw will never be executed. include/linux/aio.h:235: style: Statements following return, break, continue, goto or throw will never be executed. include/linux/sched.h:2362: style: Statements following return, break, continue, goto or throw will never be executed. include/acpi/platform/aclinux.h:130: style: Statements following return, break, continue, goto or throw will never be executed. include/linux/rculist_bl.h:23: style: Statements following return, break, continue, goto or throw will never be executed. include/linux/radix-tree.h:152: style: Statements following return, break, continue, goto or throw will never be executed. include/linux/proc_fs.h:280: style: Statements following return, break, continue, goto or throw will never be executed. include/linux/list.h:216: style: The scope of the variable 'first' can be reduced include/linux/cpumask.h:108: style: The scope of the variable '__warned' can be reduced drivers/usb/host/pci-quirks.c:199: style: The scope of the variable 'addr_low' can be reduced drivers/usb/host/pci-quirks.c:199: style: The scope of the variable 'addr_high' can be reduced drivers/usb/host/pci-quirks.c:627: style: The scope of the variable 'wait_time' can be reduced include/linux/rcupdate.h:289: style: Variable '__here' is not assigned a value include/linux/mm.h:340: style: Variable 'uninitialized_var' is assigned a value that is never used include/linux/signal.h:78: error: Array 'set.sig[2]' accessed at index 3, which is out of bounds. include/linux/signal.h:120: error: Array 'r.sig[2]' accessed at index 3, which is out of bounds. include/linux/capability.h:113: performance: Function parameter 'a' should be passed by reference. include/linux/capability.h:114: performance: Function parameter 'b' should be passed by reference. include/linux/capability.h:130: performance: Function parameter 'drop' should be passed by reference. include/linux/capability.h:137: performance: Function parameter 'c' should be passed by reference. include/linux/capability.h:161: performance: Function parameter 'set' should be passed by reference. include/linux/capability.h:183: performance: Function parameter 'permitted' should be passed by reference. include/linux/spinlock_api_smp.h:108: warning: Redundant code: Found a statement that begins with numeric constant include/linux/rwlock_api_smp.h:157: warning: Redundant code: Found a statement that begins with numeric constant include/linux/spinlock.h:340: warning: Redundant code: Found a statement that begins with numeric constant include/linux/srcu.h:246: warning: Redundant code: Found a statement that begins with numeric constant include/linux/topology.h:199: warning: Redundant code: Found a statement that begins with numeric constant include/linux/mm.h:342: warning: Redundant code: Found a statement that begins with numeric constant include/linux/vmstat.h:37: warning: Redundant code: Found a statement that begins with numeric constant include/linux/proportions.h:75: warning: Redundant code: Found a statement that begins with numeric constant include/linux/sched.h:2169: warning: Redundant code: Found a statement that begins with numeric constant include/linux/percpu-rwsem.h:21: warning: Redundant code: Found a statement that begins with numeric constant drivers/usb/host/pci-quirks.c:101: warning: Redundant code: Found a statement that begins with numeric constant arch/x86/include/asm/paravirt.h:25: error: Uninitialized variable: __eax arch/x86/include/asm/paravirt.h:25: error: Uninitialized variable: __edx arch/x86/include/asm/paravirt.h:25: error: Uninitialized variable: __ecx include/linux/spinlock_api_smp.h:108: error: Uninitialized variable: __dummy include/linux/rwlock_api_smp.h:157: error: Uninitialized variable: __dummy include/linux/spinlock.h:340: error: Uninitialized variable: __dummy include/linux/nodemask.h:239: error: Uninitialized variable: __min2 include/linux/nodemask.h:239: error: Uninitialized variable: __min1 include/linux/rcupdate.h:383: error: Uninitialized variable: __dummy include/linux/srcu.h:246: error: Uninitialized variable: __dummy arch/x86/include/asm/mmzone_32.h:56: error: Uninitialized variable: __pgdat include/linux/topology.h:199: error: Uninitialized variable: __dummy include/linux/mm.h:342: error: Uninitialized variable: __dummy include/linux/mm.h:412: error: Uninitialized variable: __nid include/linux/vmstat.h:37: error: Uninitialized variable: __dummy include/linux/mm.h:743: error: Uninitialized variable: __pgdat include/linux/scatterlist.h:114: error: Uninitialized variable: __nid include/linux/scatterlist.h:186: error: Uninitialized variable: __pgdat include/asm-generic/dma-mapping-common.h:20: error: Uninitialized variable: __nid arch/x86/include/asm/dma-mapping.h:165: error: Uninitialized variable: __dummy include/linux/proportions.h:75: error: Uninitialized variable: __dummy include/linux/sched.h:2169: error: Uninitialized variable: __dummy include/acpi/platform/aclinux.h:130: error: Uninitialized variable: __dummy include/linux/percpu-rwsem.h:21: error: Uninitialized variable: __dummy drivers/usb/host/pci-quirks.c:101: error: Uninitialized variable: __dummy In file included from fs/romfs/storage.c: fs/romfs/storage.c:18: error: no ROMFS backing store interface configured In file included from drivers/media/platform/marvell-ccic/cafe-driver.c: drivers/media/platform/marvell-ccic/mcam-core.h:32: error: One of the videobuf buffer modes must be selected in the config In file included from drivers/scsi/sym53c8xx_2/sym_fw.c: drivers/scsi/sym53c8xx_2/sym_hipd.h:1118: error: "Unsupported DMA addressing mode" In file included from drivers/media/pci/cx18/cx18-alsa-pcm.c: In file included from drivers/scsi/sym53c8xx_2/sym_glue.c: In file included from kernel/rcutree_trace.c: In file included from drivers/usb/host/ehci-hcd.c: drivers/usb/host/ehci-hcd.c:1345: error: "missing bus glue for ehci-hcd" In file included from lib/uuid.c: include/linux/uuid.h:26: performance: Function parameter 'u1' should be passed by reference. include/linux/uuid.h:26: performance: Function parameter 'u2' should be passed by reference. In file included from net/ipx/sysctl_net_ipx.c: net/ipx/sysctl_net_ipx.c:14: error: This file should not be compiled without CONFIG_SYSCTL defined In file included from net/dccp/sysctl.c: net/dccp/sysctl.c:18: error: This file should not be compiled without CONFIG_SYSCTL defined In file included from arch/x86/kernel/early_printk.c: arch/x86/include/asm/msr.h:259: style: Statements following return, break, continue, goto or throw will never be executed. arch/x86/include/asm/atomic64_64.h:173: style: Statements following return, break, continue, goto or throw will never be executed. include/linux/math64.h:55: style: The scope of the variable '__rem' can be reduced arch/x86/include/asm/processor.h:945: style: The scope of the variable '__warned' can be reduced arch/x86/kernel/early_printk.c:128: style: The scope of the variable 'port' can be reduced include/linux/math64.h:55: style: Variable '__rem' is assigned a value that is never used In file included from drivers/video/pm3fb.c: drivers/video/pm3fb.c:42: error: "Only generic PCI cards supported." In file included from drivers/video/pm2fb.c: drivers/video/pm2fb.c:53: error: "Only generic PCI cards supported." arch/x86/include/asm/bios_ebda.h:37: error: Uninitialized variable: __min1 arch/x86/include/asm/bios_ebda.h:37: error: Uninitialized variable: __min2 lib/flex_proportions.c:207: warning: Using sizeof with a numeric constant as function argument might not be what you intended. lib/flex_proportions.c:207: style: Same expression on both sides of '&'. include/linux/flex_proportions.h:66: warning: Redundant code: Found a statement that begins with numeric constant lib/flex_proportions.c:68: warning: Redundant code: Found a statement that begins with numeric constant include/linux/flex_proportions.h:66: error: Uninitialized variable: __dummy lib/flex_proportions.c:68: error: Uninitialized variable: __dummy arch/x86/include/asm/irq_regs.h:18: style: Statements following return, break, continue, goto or throw will never be executed. arch/x86/include/asm/irq_regs.h:26: warning: Redundant code: Found a statement that begins with numeric constant arch/x86/include/asm/irq_regs.h:26: error: Uninitialized variable: __dummy drivers/video/console/fonts.c:71: error: No fonts configured. lib/mpi/mpicoder.c:171: error: please implement for this limb size. arch/x86/mm/setup_nx.c:34: style: Same expression on both sides of '|'. arch/x86/platform/mrst/early_printk_mrst.c:142: warning: When using char variables in bit operations, sign extension can generate unexpected results. arch/x86/lib/insn.c:239: style: The scope of the variable 'pfx_id' can be reduced arch/x86/lib/insn.c:239: style: The scope of the variable 'mod' can be reduced arch/x86/lib/insn.c:298: style: The scope of the variable 'modrm' can be reduced arch/x86/lib/insn.c:329: style: The scope of the variable 'rm' can be reduced arch/x86/lib/insn.c:329: style: The scope of the variable 'base' can be reduced drivers/misc/altera-stapl/altera-lpt.c:48: style: The scope of the variable 'initial_lpt_ctrl' can be reduced arch/x86/kernel/cpu/centaur.c:252: style: The scope of the variable 'lo' can be reduced arch/x86/kernel/cpu/centaur.c:252: style: The scope of the variable 'hi' can be reduced drivers/net/wireless/brcm80211/brcmsmac/phy/phy_qmath.c:111: style: The scope of the variable 'i' can be reduced arch/x86/boot/cpucheck.c:111: style: The scope of the variable 'max_intel_level' can be reduced arch/x86/boot/cpucheck.c:111: style: The scope of the variable 'max_amd_level' can be reduced arch/x86/boot/cpucheck.c:112: style: The scope of the variable 'tfms' can be reduced arch/x86/boot/early_serial_console.c:47: style: The scope of the variable 'pos' can be reduced arch/x86/boot/cpu.c:23: style: The scope of the variable 'buf' can be reduced drivers/staging/wlags49_h2/hcf.c:2147: style: The scope of the variable 'i' can be reduced drivers/staging/wlags49_h2/hcf.c:2148: style: The scope of the variable 'key_p' can be reduced drivers/staging/wlags49_h2/hcf.c:3422: style: The scope of the variable 'x32' can be reduced drivers/staging/wlags49_h2/hcf.c:3859: style: The scope of the variable 'j' can be reduced drivers/staging/wlags49_h2/hcf.c:4171: style: The scope of the variable 'info' can be reduced drivers/staging/wlags49_h2/hcf.c:4600: style: The scope of the variable 'sp' can be reduced drivers/staging/wlags49_h2/hcf.c:3154: style: struct or union member 'Anonymous5::x16' is never used drivers/staging/wlags49_h2/hcf.c:3232: style: struct or union member 'Anonymous6::x16' is never used lib/zlib_deflate/deftree.c:1024: style: The scope of the variable 'dist' can be reduced lib/zlib_deflate/deftree.c:1025: style: The scope of the variable 'lc' can be reduced lib/zlib_deflate/deftree.c:1026: style: The scope of the variable 'lx' can be reduced lib/zlib_deflate/deftree.c:1027: style: The scope of the variable 'code' can be reduced lib/zlib_deflate/deftree.c:1028: style: The scope of the variable 'extra' can be reduced lib/zlib_inflate/inflate.c:119: style: The scope of the variable 'dist' can be reduced lib/string_helpers.c:38: style: The scope of the variable 'j' can be reduced lib/string_helpers.c:39: style: The scope of the variable 'remainder' can be reduced lib/string_helpers.c:39: style: The scope of the variable 'sf_cap' can be reduced lib/string_helpers.c:46: style: The scope of the variable '__rem' can be reduced lib/string_helpers.c:46: style: Variable '__rem' is assigned a value that is never used lib/string_helpers.c:46: error: Uninitialized variable: __base lib/div64.c:67: error: Uninitialized variable: __x lib/strnlen_user.c:50: error: Uninitialized variable: c net/netfilter/nf_conntrack_h323_asn1.c:208: style: The scope of the variable 'shift' can be reduced net/netfilter/nf_conntrack_h323_asn1.c:208: style: The scope of the variable 'bytes' can be reduced arch/powerpc/include/asm/tlbflush.h:170: error: Unsupported MMU type --- 0-DAY kernel build testing backend Open Source Technology Center Fengguang Wu, Yuanhan Liu Intel Corporation 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