linux-kernel - [PATCH] devfreq: fix double call put

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Message-ID: <C3050A4DBA34F345975765E43127F10F6381E56F@SZXEMA512-MBS.china.huawei.com>
Date:	Sat, 14 May 2016 05:45:45 +0000
From:	Caizhiyong <caizhiyong@...ilicon.com>
To:	Andrew Morton <akpm@...ux-foundation.org>,
	"linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>,
	"kyungmin.park@...sung.com" <kyungmin.park@...sung.com>,
	"myungjoo.ham@...sung.com" <myungjoo.ham@...sung.com>,
	lkml <linux-kernel@...r.kernel.org>
CC:	"Wanli (welly)" <welly.wan@...ilicon.com>,
	Quyaxin <quyaxin@...ilicon.com>,
	"Wangming (Wonder)" <mingwonder.wang@...ilicon.com>
Subject: [PATCH] devfreq: fix double call put_device

From: Cai Zhiyong <caizhiyong@...wei.com>
Date: Sat, 14 May 2016 14:13:30 +0800
Subject: [PATCH] devfreq: fix double call put_device

1295  */
1296 void device_unregister(struct device *dev)
1297 {
1298         pr_debug("device: '%s': %s\n", dev_name(dev), __func__);
1299         device_del(dev);
1300         put_device(dev);
1301 }
1302 EXPORT_SYMBOL_GPL(device_unregister);
1303

device_unregister is called put_device, there is no need to call
put_device(&devfreq->dev) again.

Signed-off-by: Cai Zhiyong <caizhiyong@...wei.com>
---
 drivers/devfreq/devfreq.c |    1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/devfreq/devfreq.c b/drivers/devfreq/devfreq.c
index 1d6c803..8de22c0 100644
--- a/drivers/devfreq/devfreq.c
+++ b/drivers/devfreq/devfreq.c
@@ -621,7 +621,6 @@ int devfreq_remove_device(struct devfreq *devfreq)
 		return -EINVAL;
 
 	device_unregister(&devfreq->dev);
-	put_device(&devfreq->dev);
 
 	return 0;
 }
-- 
1.7.9.5