linux-kernel - [PATCH] kernel/watchdog: is

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Message-Id: <1442928763-4425-1-git-send-email-bywxiaobai@163.com>
Date:	Tue, 22 Sep 2015 21:32:43 +0800
From:	Yaowei Bai <bywxiaobai@....com>
To:	akpm@...ux-foundation.org, uobergfe@...hat.com, dzickus@...hat.com,
	atomlin@...hat.com, cmetcalf@...hip.com, fweisbec@...il.com,
	eranian@...gle.com
Cc:	linux-kernel@...r.kernel.org
Subject: [PATCH] kernel/watchdog: is_hardlockup can be boolean

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@....com>
---
 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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