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

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/watchdog/rt2880_wdt.c b/drivers/watchdog/rt2880_wdt.c
index a9f84919df7f..53d37fea183e 100644
--- a/drivers/watchdog/rt2880_wdt.c
+++ b/drivers/watchdog/rt2880_wdt.c
@@ -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);