[PATCH next] pinctrl: amd: isp411: Fix IS_ERR() vs NULL check in probe()

[Dan Carpenter]

The platform_get_resource() returns NULL on error.  It doesn't
return error pointers.  Fix the error checking to match.

Fixes: e97435ab09f3 ("pinctrl: amd: isp411: Add amdisp GPIO pinctrl")
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
---
 drivers/pinctrl/pinctrl-amdisp.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/pinctrl/pinctrl-amdisp.c b/drivers/pinctrl/pinctrl-amdisp.c
index ce21ed84b929..9256ed67bb20 100644
--- a/drivers/pinctrl/pinctrl-amdisp.c
+++ b/drivers/pinctrl/pinctrl-amdisp.c
@@ -183,8 +183,8 @@ static int amdisp_pinctrl_probe(struct platform_device *pdev)
 	pdev->dev.init_name = DRV_NAME;
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (IS_ERR(res))
-		return PTR_ERR(res);
+	if (!res)
+		return -EINVAL;
 
 	pctrl->gpiobase = devm_ioremap_resource(&pdev->dev, res);
 	if (IS_ERR(pctrl->gpiobase))
-- 
2.47.2