Commit db076bef authored by Yaowei Bai's avatar Yaowei Bai Committed by Linus Torvalds

kernel/mutex: mutex_is_locked can be boolean

Make mutex_is_locked return bool due to this particular function only
using either one or zero as its return value.

No functional change.

Link: http://lkml.kernel.org/r/1513266622-15860-7-git-send-email-baiyaowei@cmss.chinamobile.comSigned-off-by: default avatarYaowei Bai <baiyaowei@cmss.chinamobile.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 171d864e
...@@ -138,9 +138,9 @@ extern void __mutex_init(struct mutex *lock, const char *name, ...@@ -138,9 +138,9 @@ extern void __mutex_init(struct mutex *lock, const char *name,
* mutex_is_locked - is the mutex locked * mutex_is_locked - is the mutex locked
* @lock: the mutex to be queried * @lock: the mutex to be queried
* *
* Returns 1 if the mutex is locked, 0 if unlocked. * Returns true if the mutex is locked, false if unlocked.
*/ */
static inline int mutex_is_locked(struct mutex *lock) static inline bool mutex_is_locked(struct mutex *lock)
{ {
/* /*
* XXX think about spin_is_locked * XXX think about spin_is_locked
......
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