watchdog: wdat_wdt: fix return value check in wdat_wdt_probe()
authorWei Yongjun <weiyongjun1@huawei.com>
Wed, 28 Sep 2016 21:15:54 +0000 (23:15 +0200)
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>
Wed, 28 Sep 2016 21:15:54 +0000 (23:15 +0200)
commit356ed043517dbceb646a9353831abde91062a395
tree0bc4785cf97f7a1e99b9efa55ea77181efa136c0
parentbba6529ea039925ed422696be5d52677bd16643c
watchdog: wdat_wdt: fix return value check in wdat_wdt_probe()

In case of error, the function devm_ioremap_resource() returns ERR_PTR()
and never returns NULL. The NULL test in the return value check should
be replaced with IS_ERR().

Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
drivers/watchdog/wdat_wdt.c