[PATCH -next] pinctrl: ns2: fix return value check in ns2_pinmux_probe()

[weiyj_lk@xxxxxxx]

From: Wei Yongjun <yongjun_wei@xxxxxxxxxxxxxxxxx>

In case of error, the function pinctrl_register() returns
NULL 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/bcm/pinctrl-ns2-mux.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/pinctrl/bcm/pinctrl-ns2-mux.c b/drivers/pinctrl/bcm/pinctrl-ns2-mux.c
index 3fefd14..7e5f7b7 100644
--- a/drivers/pinctrl/bcm/pinctrl-ns2-mux.c
+++ b/drivers/pinctrl/bcm/pinctrl-ns2-mux.c
@@ -1089,9 +1089,9 @@ static int ns2_pinmux_probe(struct platform_device *pdev)
 
 	pinctrl->pctl = pinctrl_register(&ns2_pinctrl_desc, &pdev->dev,
 			pinctrl);
-	if (!pinctrl->pctl) {
+	if (IS_ERR(pinctrl->pctl)) {
 		dev_err(&pdev->dev, "unable to register IOMUX pinctrl\n");
-		return -EINVAL;
+		return PTR_ERR(pinctrl->pctl);
 	}
 
 	return 0;


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