kernel/mutex: mutex_is_locked can be boolean
authorYaowei Bai <baiyaowei@cmss.chinamobile.com>
Tue, 6 Feb 2018 23:41:35 +0000 (15:41 -0800)
committerLinus Torvalds <torvalds@linux-foundation.org>
Wed, 7 Feb 2018 02:32:47 +0000 (18:32 -0800)
commitdb076bef2da1f81bf918fc0b24ebed5756fbae5a
treebf7e7a576a2d2866eb45890a9127cc37b3ed6025
parent171d864e75a9fa086c2a59b954945caaf6175396
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>
include/linux/mutex.h