watchdog: rt2880_wdt: fix return value check in rt288x_wdt_probe()

In case of error, the function devm_request_and_ioremap() returns NULL
pointer not ERR_PTR(). Fix it by using devm_ioremap_resource() instead
of devm_request_and_ioremap().

Signed-off-by: Wei Yongjun <[email protected]>
Signed-off-by: Wim Van Sebroeck <[email protected]>
This commit is contained in:
Wei Yongjun 2013-10-31 15:50:55 +08:00 • committed by Wim Van Sebroeck
commit 0859ffc3b3

View file

@ -144,7 +144,7 @@ static int rt288x_wdt_probe(struct platform_device *pdev)
int ret;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
rt288x_wdt_base = devm_request_and_ioremap(&pdev->dev, res);
rt288x_wdt_base = devm_ioremap_resource(&pdev->dev, res);
if (IS_ERR(rt288x_wdt_base))
return PTR_ERR(rt288x_wdt_base);