diff options
| author | Mauro Carvalho Chehab <m.chehab@samsung.com> | 2014-05-21 23:03:15 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <m.chehab@samsung.com> | 2014-05-21 23:03:15 -0300 |
| commit | e899966f626f1f657a4a7bac736c0b9ae5a243ea (patch) | |
| tree | a4bb8362d871da67b41fee27bb85ad0bc83e0591 /kernel/locking | |
| parent | ba0d342ecc21fbbe2f6c178f4479944d1fb34f3b (diff) | |
| parent | 4b660a7f5c8099d88d1a43d8ae138965112592c7 (diff) | |
Merge tag 'v3.15-rc6' into patchwork
Linux 3.15-rc6
* tag 'v3.15-rc6': (1314 commits)
Linux 3.15-rc6
Btrfs: send, fix incorrect ref access when using extrefs
Btrfs: fix EIO on reading file after ioctl clone works on it
scripts/checksyscalls.sh: Make renameat optional
asm-generic: Add renameat2 syscall
ia64: add renameat2 syscall
parisc: add renameat2 syscall
m68k: add renameat2 syscall
sysfs: make sure read buffer is zeroed
ahci: imx: PLL clock needs 100us to settle down
PCI: Wrong register used to check pending traffic
target: fix memory leak on XCOPY
random: fix BUG_ON caused by accounting simplification
clk: tegra: Fix wrong value written to PLLE_AUX
staging: rtl8723au: Do not reset wdev->iftype in netdev_close()
ACPI / video: Revert native brightness quirk for ThinkPad T530
staging: rtl8723au: Use correct pipe type for USB interrupts
crush: decode and initialize chooseleaf_vary_r
libceph: fix corruption when using page_count 0 page in rbd
arm64: fix pud_huge() for 2-level pagetables
...
Diffstat (limited to 'kernel/locking')
| -rw-r--r-- | kernel/locking/lockdep.c | 2 | ||||
| -rw-r--r-- | kernel/locking/mutex-debug.c | 19 |
2 files changed, 10 insertions, 11 deletions
diff --git a/kernel/locking/lockdep.c b/kernel/locking/lockdep.c index b0e9467922e..d24e4339b46 100644 --- a/kernel/locking/lockdep.c +++ b/kernel/locking/lockdep.c @@ -4188,7 +4188,7 @@ void debug_show_held_locks(struct task_struct *task) } EXPORT_SYMBOL_GPL(debug_show_held_locks); -asmlinkage void lockdep_sys_exit(void) +asmlinkage __visible void lockdep_sys_exit(void) { struct task_struct *curr = current; diff --git a/kernel/locking/mutex-debug.c b/kernel/locking/mutex-debug.c index e1191c996c5..5cf6731b98e 100644 --- a/kernel/locking/mutex-debug.c +++ b/kernel/locking/mutex-debug.c @@ -71,18 +71,17 @@ void mutex_remove_waiter(struct mutex *lock, struct mutex_waiter *waiter, void debug_mutex_unlock(struct mutex *lock) { - if (unlikely(!debug_locks)) - return; + if (likely(debug_locks)) { + DEBUG_LOCKS_WARN_ON(lock->magic != lock); - DEBUG_LOCKS_WARN_ON(lock->magic != lock); + if (!lock->owner) + DEBUG_LOCKS_WARN_ON(!lock->owner); + else + DEBUG_LOCKS_WARN_ON(lock->owner != current); - if (!lock->owner) - DEBUG_LOCKS_WARN_ON(!lock->owner); - else - DEBUG_LOCKS_WARN_ON(lock->owner != current); - - DEBUG_LOCKS_WARN_ON(!lock->wait_list.prev && !lock->wait_list.next); - mutex_clear_owner(lock); + DEBUG_LOCKS_WARN_ON(!lock->wait_list.prev && !lock->wait_list.next); + mutex_clear_owner(lock); + } /* * __mutex_slowpath_needs_to_unlock() is explicitly 0 for debug |