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authorYaowei Bai <[email protected]>2018-02-06 15:41:35 -0800
committerLinus Torvalds <[email protected]>2018-02-06 18:32:47 -0800
commitdb076bef2da1f81bf918fc0b24ebed5756fbae5a (patch)
treebf7e7a576a2d2866eb45890a9127cc37b3ed6025
parent171d864e75a9fa086c2a59b954945caaf6175396 (diff)
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/[email protected] Signed-off-by: Yaowei Bai <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
-rw-r--r--include/linux/mutex.h4
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