On Thu, Jun 30, 2016 at 12:52:15AM +0300, Alexey Khoroshilov wrote:
> If class_create() fails, there is no need for class_destroy().
>
> Found by Linux Driver Verification project (linuxtesting.org).
>
> Signed-off-by: Alexey Khoroshilov <khoroshilov@xxxxxxxxx>
Applied to drm-misc, thanks for the patch. Out of curiosity, how exactly
did you spot this bug?
-Daniel
> ---
> drivers/gpu/drm/drm_dp_aux_dev.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/drm_dp_aux_dev.c b/drivers/gpu/drm/drm_dp_aux_dev.c
> index 3334baacf43d..734f86a345f6 100644
> --- a/drivers/gpu/drm/drm_dp_aux_dev.c
> +++ b/drivers/gpu/drm/drm_dp_aux_dev.c
> @@ -355,8 +355,7 @@ int drm_dp_aux_dev_init(void)
>
> drm_dp_aux_dev_class = class_create(THIS_MODULE, "drm_dp_aux_dev");
> if (IS_ERR(drm_dp_aux_dev_class)) {
> - res = PTR_ERR(drm_dp_aux_dev_class);
> - goto out;
> + return PTR_ERR(drm_dp_aux_dev_class);
> }
> drm_dp_aux_dev_class->dev_groups = drm_dp_aux_groups;
>
> --
> 1.9.1
>
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--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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