On 12/13/2016 01:23 PM, Dan Carpenter wrote:
> 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>
Thanks,
Reviewed-by: Marek Vasut <marex@xxxxxxx>
> 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)
>
--
Best regards,
Marek Vasut
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