The patch titled
generic_nvram-use-i_mutex-not-lock_kernel-fix
has been added to the -mm tree. Its filename is
generic_nvram-use-i_mutex-not-lock_kernel-fix.patch
*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: generic_nvram-use-i_mutex-not-lock_kernel-fix
From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Cc: Alan Cox <alan@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/char/generic_nvram.c | 17 ++++++++++-------
1 files changed, 10 insertions(+), 7 deletions(-)
diff -puN drivers/char/generic_nvram.c~generic_nvram-use-i_mutex-not-lock_kernel-fix drivers/char/generic_nvram.c
--- a/drivers/char/generic_nvram.c~generic_nvram-use-i_mutex-not-lock_kernel-fix
+++ a/drivers/char/generic_nvram.c
@@ -30,22 +30,25 @@
static loff_t nvram_llseek(struct file *file, loff_t offset, int origin)
{
- mutex_lock(&file->f_path.dentry->d_inode->i_mutex);
+ struct inode *inode = file->f_mapping->host;
+
+ mutex_lock(&inode->i_mutex);
switch (origin) {
- case 1:
+ case SEEK_CUR:
offset += file->f_pos;
break;
- case 2:
+ case SEEK_END:
offset += NVRAM_SIZE;
break;
}
if (offset < 0) {
- unlock_kernel();
- return -EINVAL;
+ offset = -EINVAL;
+ goto out;
}
file->f_pos = offset;
- mutex_unlock(&file->f_path.dentry->d_inode->i_mutex);
- return file->f_pos;
+out:
+ mutex_unlock(&inode->i_mutex);
+ return offset;
}
static ssize_t read_nvram(struct file *file, char __user *buf,
_
Patches currently in -mm which might be from akpm@xxxxxxxxxxxxxxxxxxxx are
origin.patch
git-acpi.patch
working-3d-dri-intel-agpko-resume-for-i815-chip.patch
git-cpufreq.patch
git-powerpc.patch
revert-gregkh-driver-block-device.patch
driver-core-check-return-code-of-sysfs_create_link.patch
revert-saa7134-fix-thread-shutdown-handling.patch
git-dvb.patch
git-dvb-saa7134-tvaudio-fix.patch
git-kbuild.patch
git-kbuild-fixup.patch
git-kvm.patch
libata-add-irq_flags-to-struct-pata_platform_info-fix.patch
git-mips-fixup.patch
git-mtd.patch
git-ubi.patch
e1000new-build-fix.patch
e1000new-build-fix-2.patch
git-ocfs2-vs-git-gfs2-nmw.patch
revert-gregkh-pci-pci_bridge-device.patch
git-scsi-misc.patch
git-scsi-misc-fixup.patch
git-scsi-misc-vs-greg-sysfs-stuff.patch
aacraid-rename-check_reset.patch
git-block-fixup.patch
git-unionfs.patch
git-block-vs-git-unionfs.patch
git-watchdog.patch
x86_64-mm-xen-attempt-to-patch-inline-versions-of-common-operations.patch
fix-x86_64-numa-fake-apicid_to_node-mapping-for-fake-numa-2.patch
fix-x86_64-mm-sched-clock-share.patch
fix-x86_64-mm-add-common-orderly_poweroff.patch
i386-add-support-for-picopower-irq-router.patch
x86_64-extract-helper-function-from-e820_register_active_regions.patch
mmconfig-x86_64-i386-insert-unclaimed-mmconfig-resources.patch
x86_64-fix-smp_call_function_single-return-value.patch
i386-flush_tlb_kernel_range-add-reference-to-the-arguments.patch
mmconfig-validate-against-acpi-motherboard-resources.patch
x86_64-irq-check-remote-irr-bit-before-migrating-level-triggered-irq-v3.patch
x86-64-calgary-introduce-chipset-specific-ops.patch
x86-64-calgary-add-chip_ops-and-a-quirk-function-for-calioc2.patch
x86-64-calgary-reserve-tces-with-the-same-address-as-mem-regions.patch
x86-64-calgary-fix-few-style-problems-pointed-out-by-checkpatchpl.patch
i386-do-not-restore-reserved-memory-after-hibernation.patch
paravirt-helper-to-disable-all-io-space-fix.patch
i386-show-unhandled-signals.patch
x86_84-move-iommu-declaration-from-proto-to-iommuh.patch
i386-add-cpu_relax-to-cmos_lock.patch
x86_64-flush_tlb_kernel_range-warning-fix.patch
x86_64-add-ioapic-nmi-support.patch
ntp-move-the-cmos-update-code-into-ntpc.patch
x86_64-dynticks-disable-hpet_id_legsup-hpets.patch
x86_64-get-mp_bus_to_node-as-early.patch
ich-force-hpet-ich7-or-later-quirk-to-force-detect-enable.patch
ich-force-hpet-ich5-quirk-to-force-detect-enable.patch
git-xfs.patch
git-cryptodev.patch
git-kgdb-fixup.patch
vmscan-give-referenced-active-and-unmapped-pages-a-second-trip-around-the-lru.patch
change-zonelist-order-zonelist-order-selection-logic.patch
mm-merge-populate-and-nopage-into-fault-fixes-nonlinear.patch
invalidate_mapping_pages-add-cond_resched.patch
slub-support-slub_debug-on-by-default.patch
fs-introduce-write_begin-write_end-and-perform_write-aops.patch
add-__gfp_movable-for-callers-to-flag-allocations-from-high-memory-that-may-be-migrated.patch
create-the-zone_movable-zone.patch
allow-huge-page-allocations-to-use-gfp_high_movable.patch
bias-the-location-of-pages-freed-for-min_free_kbytes-in-the-same-max_order_nr_pages-blocks.patch
maps2-move-the-page-walker-code-to-lib.patch
maps2-add-proc-pid-pagemap-interface.patch
mm-clean-up-and-kernelify-shrinker-registration-vs-git-nfs.patch
slub-change-error-reporting-format-to-follow-lockdep-loosely.patch
fs-introduce-some-page-buffer-invariants-obnoxiousness.patch
freezer-make-kernel-threads-nonfreezable-by-default.patch
file-capabilities-clear-caps-cleanup-fix.patch
fix-alpha-isa-support.patch
freezer-run-show_state-when-freezing-times-out.patch
pm-introduce-hibernation-and-suspend-notifiers.patch
pm-disable-usermode-helper-before-hibernation-and-suspend.patch
add-generic-exit-time-stack-depth-checking-to-config_debug_stack_usage.patch
cache-pipe-buf-page-address-for-non-highmem-arch.patch
fix-rmmod-read-write-races-in-proc-entries.patch
use-write_trylock_irqsave-in-ptrace_attach.patch
use-no_pci_devices-in-pci-searchc.patch
introduce-boot-based-time.patch
use-boot-based-time-for-process-start-time-and-boot-time.patch
add-argv_split-fix.patch
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cpu-hotplug-fix-ksoftirqd-termination-on-cpu-hotplug-with-naughty-realtime-process.patch
fuse-warning-fix.patch
vxfs-warning-fixes.patch
percpu_counters-use-cpu-notifiers.patch
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vdso-print-fatal-signals.patch
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atmel_serial-fix-break-handling.patch
lib-add-idr_for_each.patch
ext3-ext4-orphan-list-check-on-destroy_inode.patch
taskstats-add-context-switch-counters.patch
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audit-add-tty-input-auditing.patch
revert-vanishing-ioctl-handler-debugging.patch
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dirty_writeback_centisecs_handler-cleanup.patch
diskquota-32bit-quota-tools-on-64bit-architectures.patch
sys_time-speedup.patch
add-documentation-sysctl-ctl_unnumberedtxt.patch
sysctlc-add-text-telling-people-to-use-ctl_unnumbered.patch
hfs-refactor-ascii-to-unicode-conversion-routine.patch
sprint_symbol-cleanup.patch
replace-obscure-constructs-in-fs-block_devc.patch
bd_claim_by_disk-fix-warning.patch
uninline-check_signature.patch
i386-speedup-touch_nmi_watchdog.patch
x86_64-speedup-touch_nmi_watchdog.patch
generic_nvram-use-i_mutex-not-lock_kernel-fix.patch
writeback-fix-time-ordering-of-the-per-superblock-dirty-inode-lists.patch
writeback-fix-time-ordering-of-the-per-superblock-dirty-inode-lists-2.patch
writeback-fix-time-ordering-of-the-per-superblock-dirty-inode-lists-3.patch
writeback-fix-time-ordering-of-the-per-superblock-dirty-inode-lists-4.patch
writeback-fix-comment-use-helper-function.patch
writeback-fix-time-ordering-of-the-per-superblock-dirty-inode-lists-5.patch
writeback-fix-time-ordering-of-the-per-superblock-dirty-inode-lists-6.patch
writeback-fix-time-ordering-of-the-per-superblock-dirty-inode-lists-7.patch
crc7-support.patch
spi-master-driver-for-xilinx-virtex.patch
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i2o_cfg_passthru-cleanup.patch
knfsd-exportfs-add-exportfsh-header.patch
knfsd-exportfs-remove-iget-abuse.patch
nfsd-warning-fix.patch
knfsd-nfsd4-vary-maximum-delegation-limit-based-on-ram-size.patch
driver-for-the-atmel-on-chip-rtc-on-at32ap700x-devices.patch
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rtc-add-support-for-the-st-m48t59-rtc.patch
rtc-add-support-for-the-st-m48t59-rtc-vs-git-acpi.patch
rtc-driver-for-ds1216-chips-fix.patch
lguest-the-host-code.patch
lguest-the-net-driver.patch
fbcon-allow-fbcon-to-use-the-primary-display-driver.patch
fbdev-fbcon-console-unregistration-from-unregister_framebuffer.patch
intel-iommu-pci-generic-helper-function.patch
intel-iommu-iova-allocation-and-management-routines.patch
intel-iommu-intel-iommu-driver.patch
intel-iommu-iommu-floppy-workaround.patch
revoke-wire-up-i386-system-calls.patch
revoke-vs-git-block.patch
kernel-doc-fix-leading-dot-in-man-mode-output.patch
coredump-masking-reimplementation-of-dumpable-using-two-flags.patch
drivers-edac-new-i82443bxgz-mc-driver-broken.patch
drivers-edac-fix-e752x-reversed-csrows-fix.patch
drivers-edac-new-pasemi-driver-fix.patch
containersv10-basic-container-framework-fix.patch
containersv10-basic-container-framework-fix-2.patch
containersv10-example-cpu-accounting-subsystem-fix.patch
containersv10-add-tasks-file-interface-fix.patch
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containersv10-add-container_clone-interface-fix.patch
containersv10-add-procfs-interface-fix.patch
containersv10-share-css_group-arrays-between-tasks-with-same-container-memberships-fix.patch
containersv10-simple-debug-info-subsystem-fix.patch
containersv10-simple-debug-info-subsystem-fix-2.patch
add-containerstats-v3-fix.patch
lockstat-core-infrastructure.patch
lockdep-various-fixes.patch
lockstat-measure-lock-bouncing.patch
some-kmalloc-memset-kzalloc-tree-wide.patch
reiser4.patch
git-block-vs-reiser4.patch
page-owner-tracking-leak-detector.patch
check_dirty_inode_list.patch
alloc_pages-debug.patch
w1-build-fix.patch
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