[PATCH] kernel/watchdog: is_hardlockup can be boolean

[Yaowei Bai]

This patch makes 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@xxxxxxx>
---
 kernel/watchdog.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/kernel/watchdog.c b/kernel/watchdog.c
index 64ed1c3..568ba64 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
 
-- 
1.9.1


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