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drm: mxsfb: drm_dev_alloc() returns error pointers 

We should be checking for IS_ERR() instead of NULL because
drm_dev_alloc() returns error pointers.

Fixes: 45d59d7040 ("drm: Add new driver for MXSFB controller")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20161213122332.GA7519@elgon.mountain
This commit is contained in:
Dan Carpenter 2016-12-13 15:23:32 +03:00 committed by Daniel Vetter
parent 010f5b9f0d
commit e89e50ac35
1 changed files with 2 additions and 2 deletions
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4
drivers/gpu/drm/mxsfb/mxsfb_drv.c
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@ -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)