Commit b232a70a authored Sep 10, 2012 by Wei Yongjun Committed by Wim Van Sebroeck Sep 10, 2012

watchdog: move the dereference below the NULL test

The dereference should be moved below the NULL test.

spatch with a semantic match is used to found this.
(http://coccinelle.lip6.fr/

)

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>

parent 308b135e

drivers/watchdog/watchdog_core.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -128,11 +128,12 @@ EXPORT_SYMBOL_GPL(watchdog_register_device);
		void watchdog_unregister_device(struct watchdog_device *wdd)
		{
		int ret;
		int devno = wdd->cdev.dev;
		int devno;

		if (wdd == NULL)
		return;

		devno = wdd->cdev.dev;
		ret = watchdog_dev_unregister(wdd);
		if (ret)
		pr_err("error unregistering /dev/watchdog (err=%d)\n", ret);