[PATCH -next] watchdog: rt2880_wdt: fix return value check in rt288x_wdt_probe()

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From: Wei Yongjun <yongjun_wei@xxxxxxxxxxxxxxxxx>

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@xxxxxxxxxxxxxxxxx>
---
 drivers/watchdog/rt2880_wdt.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/watchdog/rt2880_wdt.c b/drivers/watchdog/rt2880_wdt.c
index a9f8491..53d37fe 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);
 

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