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authorYaowei Bai <bywxiaobai@163.com>2015-11-05 18:44:24 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2015-11-05 19:34:48 -0800
commit451637e454f0b41689cd07cdc3fa53388c22890d (patch)
treee4a957254759d4aa677b4916e2ca969e09a93cf4 /kernel
parentb64787401fd85b66403dd05159a749e333059c0a (diff)
downloadlinux-451637e454f0b41689cd07cdc3fa53388c22890d.tar.bz2
kernel/watchdog.c: is_hardlockup can be boolean
Make is_hardlockup return bool to improve readability due to this particular function only using either one or zero as its return value. No functional change. Signed-off-by: Yaowei Bai <bywxiaobai@163.com> Reviewed-by: Aaron Tomlin <atomlin@redhat.com> Acked-by: Don Zickus <dzickus@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'kernel')
-rw-r--r--kernel/watchdog.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/kernel/watchdog.c b/kernel/watchdog.c
index 64ed1c37bd1f..568ba64b22d6 100644
--- a/kernel/watchdog.c
+++ b/kernel/watchdog.c
@@ -263,15 +263,15 @@ void touch_softlockup_watchdog_sync(void)
#ifdef CONFIG_HARDLOCKUP_DETECTOR
/* watchdog detector functions */
-static int is_hardlockup(void)
+static bool is_hardlockup(void)
{
unsigned long hrint = __this_cpu_read(hrtimer_interrupts);
if (__this_cpu_read(hrtimer_interrupts_saved) == hrint)
- return 1;
+ return true;
__this_cpu_write(hrtimer_interrupts_saved, hrint);
- return 0;
+ return false;
}
#endif