We should be checking for IS_ERR() instead of NULL because
drm_dev_alloc() returns error pointers.
Fixes: 45d59d704080 ("drm: Add new driver for MXSFB controller")
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
diff --git a/drivers/gpu/drm/mxsfb/mxsfb_drv.c b/drivers/gpu/drm/mxsfb/mxsfb_drv.c
index 79a18bf48b54..955441f71500 100644
--- a/drivers/gpu/drm/mxsfb/mxsfb_drv.c
+++ b/drivers/gpu/drm/mxsfb/mxsfb_drv.c
@@ -395,8 +395,8 @@ static int mxsfb_probe(struct platform_device *pdev)
pdev->id_entry = of_id->data;
drm = drm_dev_alloc(&mxsfb_driver, &pdev->dev);
- if (!drm)
- return -ENOMEM;
+ if (IS_ERR(drm))
+ return PTR_ERR(drm);
ret = mxsfb_load(drm, 0);
if (ret)
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