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| author | Yaowei Bai <baiyaowei@cmss.chinamobile.com> | 2018-02-06 15:41:35 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2018-02-06 18:32:47 -0800 |
| commit | db076bef2da1f81bf918fc0b24ebed5756fbae5a (patch) | |
| tree | bf7e7a576a2d2866eb45890a9127cc37b3ed6025 /include/linux/mutex.h | |
| parent | 171d864e75a9fa086c2a59b954945caaf6175396 (diff) | |
| download | linux-stable-db076bef2da1f81bf918fc0b24ebed5756fbae5a.tar.gz linux-stable-db076bef2da1f81bf918fc0b24ebed5756fbae5a.tar.bz2 linux-stable-db076bef2da1f81bf918fc0b24ebed5756fbae5a.zip | |
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.com
Signed-off-by: Yaowei Bai <baiyaowei@cmss.chinamobile.com>
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 | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/include/linux/mutex.h b/include/linux/mutex.h index 153274f78402..f25c13423bd4 100644 --- a/include/linux/mutex.h +++ b/include/linux/mutex.h @@ -138,9 +138,9 @@ extern void __mutex_init(struct mutex *lock, const char *name, * mutex_is_locked - is the mutex locked * @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 |