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drm/imx/lcdc: fix a NULL vs IS_ERR() bug in probe 

The devm_drm_dev_alloc() function returns error pointers.  It never
returns NULL.  Fix the check.

Fixes: c87e859cde ("drm/imx/lcdc: Implement DRM driver for imx25")
Signed-off-by: Dan Carpenter <error27@gmail.com>
Reviewed-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/d0a1fc55-3ef6-444e-b3ef-fdc937d8d57a@kili.mountain
This commit is contained in:
Dan Carpenter 2023-03-22 12:06:55 +03:00 committed by Javier Martinez Canillas
parent ebb7619d3a
commit dae2f7b89a
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1 changed files with 2 additions and 2 deletions
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4
drivers/gpu/drm/imx/lcdc/imx-lcdc.c
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@ -400,8 +400,8 @@ static int imx_lcdc_probe(struct platform_device *pdev)
lcdc = devm_drm_dev_alloc(dev, &imx_lcdc_drm_driver,
struct imx_lcdc, drm);
if (!lcdc)
return -ENOMEM;
if (IS_ERR(lcdc))
return PTR_ERR(lcdc);
drm = &lcdc->drm;