diff options
| author | Andrew Morton <akpm@linux-foundation.org> | 2007-05-09 02:33:39 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-05-09 12:30:49 -0700 |
| commit | 18d8362d517cb2bd97761294924fe6c2a6ee5e3c (patch) | |
| tree | fff49e54cb725ba33ddf4453fb866838ad6ceeca /include/linux/mutex.h | |
| parent | ae030e435f5400cff77c52506a8d3d7278f0947c (diff) | |
| download | lwn-18d8362d517cb2bd97761294924fe6c2a6ee5e3c.tar.gz lwn-18d8362d517cb2bd97761294924fe6c2a6ee5e3c.zip | |
mutex_lock_interruptible(): add __must_check
It's not sane to use mutex_lock_interruptible() and to then ignore the result.
Ditto down_interruptible(), but I'm lazy.
Cc: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/mutex.h')
| -rw-r--r-- | include/linux/mutex.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/include/linux/mutex.h b/include/linux/mutex.h index b81bc2adaeff..0d50ea3df689 100644 --- a/include/linux/mutex.h +++ b/include/linux/mutex.h @@ -121,11 +121,12 @@ static inline int fastcall mutex_is_locked(struct mutex *lock) * Also see Documentation/mutex-design.txt. */ extern void fastcall mutex_lock(struct mutex *lock); -extern int fastcall mutex_lock_interruptible(struct mutex *lock); +extern int __must_check fastcall mutex_lock_interruptible(struct mutex *lock); #ifdef CONFIG_DEBUG_LOCK_ALLOC extern void mutex_lock_nested(struct mutex *lock, unsigned int subclass); -extern int mutex_lock_interruptible_nested(struct mutex *lock, unsigned int subclass); +extern int __must_check mutex_lock_interruptible_nested(struct mutex *lock, + unsigned int subclass); #else # define mutex_lock_nested(lock, subclass) mutex_lock(lock) # define mutex_lock_interruptible_nested(lock, subclass) mutex_lock_interruptible(lock) |