pinctrl: artpec6: Fix return value check in artpec6_pmx_probe()
In case of error, the function pinctrl_register() returns
ERR_PTR() not NULL. The NULL test in the return value check
should be replaced with IS_ERR().
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Acked-by: Jesper Nilsson <jesper.nilsson@axis.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
diff --git a/drivers/pinctrl/pinctrl-artpec6.c b/drivers/pinctrl/pinctrl-artpec6.c
index ffe33cf..357516d 100644
--- a/drivers/pinctrl/pinctrl-artpec6.c
+++ b/drivers/pinctrl/pinctrl-artpec6.c
@@ -937,9 +937,9 @@
pmx->num_pin_groups = ARRAY_SIZE(artpec6_pin_groups);
pmx->pctl = pinctrl_register(&artpec6_desc, &pdev->dev, pmx);
- if (!pmx->pctl) {
+ if (IS_ERR(pmx->pctl)) {
dev_err(&pdev->dev, "could not register pinctrl driver\n");
- return -EINVAL;
+ return PTR_ERR(pmx->pctl);
}
platform_set_drvdata(pdev, pmx);