Hi Christophe,
Am Montag, den 31.10.2016, 18:59 +0100 schrieb Christophe JAILLET:
> 'drm_dev_alloc()' returns an error pointer in case of error, not NULL
> So test it with IS_ERR.
>
> This behavior has been introduced recently in 0f2886057be3. For some
> reason, this file has not been updated.
>
> Fixes: 0f2886057be3 ("drm: Don't swallow error codes in drm_dev_alloc()")
>
> Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>
> ---
> drivers/gpu/drm/imx/imx-drm-core.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/imx/imx-drm-core.c b/drivers/gpu/drm/imx/imx-drm-core.c
> index 98df09c2b388..3acc976cc04e 100644
> --- a/drivers/gpu/drm/imx/imx-drm-core.c
> +++ b/drivers/gpu/drm/imx/imx-drm-core.c
> @@ -357,8 +357,8 @@ static int imx_drm_bind(struct device *dev)
> int ret;
>
> drm = drm_dev_alloc(&imx_drm_driver, dev);
> - if (!drm)
> - return -ENOMEM;
> + if (IS_ERR(drm))
> + return PTR_ERR(drm);
>
> imxdrm = devm_kzalloc(dev, sizeof(*imxdrm), GFP_KERNEL);
> if (!imxdrm) {
Thank you for the patch. The same fix is in the queue already:
8cca354816ad ("drm/imx: drm_dev_alloc() returns error pointers"). Only
Dan selected commit 54db5decce17 ("drm/imx: drop deprecated load/unload
drm_driver ops") as the culprit.
regards
Philipp
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