[PATCH] drm/amdgpu/userq: fix error handling of invalid doorbell

[Alex Deucher]

Ping?

On Fri, Aug 22, 2025 at 12:33 PM Alex Deucher <alexander.deucher at amd.com> wrote:
>
> If the doorbell is invalid, be sure to set the r to an error
> state so the function returns an error.
>
> Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
> ---
>  drivers/gpu/drm/amd/amdgpu/amdgpu_userq.c | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_userq.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_userq.c
> index 424831997cb1a..28242ec2215da 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_userq.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_userq.c
> @@ -426,6 +426,7 @@ amdgpu_userq_create(struct drm_file *filp, union drm_amdgpu_userq *args)
>         if (index == (uint64_t)-EINVAL) {
>                 drm_file_err(uq_mgr->file, "Failed to get doorbell for queue\n");
>                 kfree(queue);
> +               r = -EINVAL;
>                 goto unlock;
>         }
>
> --
> 2.50.1
>