Author: Wei Yongjun <yongjun_wei@trendmicro.com.cn> 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 Signed-off-by: Wim Van Sebroeck — drivers/watchdog/watchdog_core.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff –git a/drivers/watchdog/watchdog_core.c b/drivers/watchdog/watchdog_core.c index 6aa46a9..3796434 100644 — a/drivers/watchdog/watchdog_core.c +++ b/drivers/watchdog/watchdog_core.c …