[PATCH] pinctrl: Fix return value check in amd_gpio_probe()

[weiyj_lk@xxxxxxx]

From: Wei Yongjun <yongjun_wei@xxxxxxxxxxxxxxxxx>

In case of error, the function devm_ioremap_nocache() returns NULL
pointer not ERR_PTR(). The IS_ERR() test in the return value check
should be replaced with NULL test.

Signed-off-by: Wei Yongjun <yongjun_wei@xxxxxxxxxxxxxxxxx>
---
 drivers/pinctrl/pinctrl-amd.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/pinctrl/pinctrl-amd.c b/drivers/pinctrl/pinctrl-amd.c
index 6574494..5c025f5 100644
--- a/drivers/pinctrl/pinctrl-amd.c
+++ b/drivers/pinctrl/pinctrl-amd.c
@@ -753,8 +753,8 @@ static int amd_gpio_probe(struct platform_device *pdev)
 
 	gpio_dev->base = devm_ioremap_nocache(&pdev->dev, res->start,
 						resource_size(res));
-	if (IS_ERR(gpio_dev->base))
-		return PTR_ERR(gpio_dev->base);
+	if (!gpio_dev->base)
+		return -ENOMEM;
 
 	irq_base = platform_get_irq(pdev, 0);
 	if (irq_base < 0) {

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