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[-next] drm/tegra: dpaux: Fix return value check in tegra_dpaux_probe()

Message ID 1469860337-2686-1-git-send-email-weiyj.lk@gmail.com (mailing list archive)
State New, archived
Headers show

Commit Message

Wei Yongjun July 30, 2016, 6:32 a.m. UTC
In case of error, the function devm_pinctrl_register() returns ERR_PTR()
and never returns NULL. The NULL test in the return value check should
be replaced with IS_ERR().

Signed-off-by: Wei Yongjun <weiyj.lk@gmail.com>
---
 drivers/gpu/drm/tegra/dpaux.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
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Patch

diff --git a/drivers/gpu/drm/tegra/dpaux.c b/drivers/gpu/drm/tegra/dpaux.c
index 059f409..2fde44c 100644
--- a/drivers/gpu/drm/tegra/dpaux.c
+++ b/drivers/gpu/drm/tegra/dpaux.c
@@ -539,9 +539,9 @@  static int tegra_dpaux_probe(struct platform_device *pdev)
 	dpaux->desc.owner = THIS_MODULE;
 
 	dpaux->pinctrl = devm_pinctrl_register(&pdev->dev, &dpaux->desc, dpaux);
-	if (!dpaux->pinctrl) {
+	if (IS_ERR(dpaux->pinctrl)) {
 		dev_err(&pdev->dev, "failed to register pincontrol\n");
-		return -ENODEV;
+		return PTR_ERR(dpaux->pinctrl);
 	}
 #endif
 	/* enable and clear all interrupts */