linux-kernel - [PATCH 2/5] input: remove unnecessary work pending test

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Message-ID: <5229B68F.1000903@huawei.com>
Date:	Fri, 6 Sep 2013 19:03:43 +0800
From:	Xie XiuQi <xiexiuqi@...wei.com>
To:	Jonathan Cameron <jic23@....ac.uk>,
	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Dmitry Torokhov <dtor@...l.ru>,
	Thomas Gleixner <tglx@...utronix.de>,
	Andres Salomon <dilinger@...ued.net>,
	Chris Ball <cjb@...top.org>,
	Jon Nettleton <jon.nettleton@...il.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Nadia Derbey <Nadia.Derbey@...l.net>
CC:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Li Bin <huawei.libin@...wei.com>, Tejun Heo <tj@...nel.org>
Subject: [PATCH 2/5] input: remove unnecessary work pending test

Remove unnecessary work pending test before calling schedule_work().
It has been tested in queue_work_on() already.

Signed-off-by: Xie XiuQi <xiexiuqi@...wei.com>
Cc: Tejun Heo <tj@...nel.org>
---
 drivers/input/touchscreen/cyttsp4_core.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/input/touchscreen/cyttsp4_core.c b/drivers/input/touchscreen/cyttsp4_core.c
index edcf799..b0ee865 100644
--- a/drivers/input/touchscreen/cyttsp4_core.c
+++ b/drivers/input/touchscreen/cyttsp4_core.c
@@ -1249,8 +1249,7 @@ static void cyttsp4_watchdog_timer(unsigned long handle)
 	if (!cd)
 		return;

-	if (!work_pending(&cd->watchdog_work))
-		schedule_work(&cd->watchdog_work);
+	schedule_work(&cd->watchdog_work);

 	return;
 }
-- 
1.8.2.2



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