Re: [PATCH] drm/amdgpu: remove useless condition in amdgpu_job_stop_all_jobs_on_sched()

[Andrey Grodzovsky]

Reviewed-by: Andrey Grodzovsky <andrey.grodzovsky@xxxxxxx>

Andrey

On 2022-07-19 06:39, Andrey Strachuk wrote:
> Local variable 'rq' is initialized by an address
> of field of drm_sched_job, so it does not make
> sense to compare 'rq' with NULL.
>
> Found by Linux Verification Center (linuxtesting.org) with SVACE.
>
> Signed-off-by: Andrey Strachuk <strochuk@xxxxxxxxx>
> Fixes: 7c6e68c777f1 ("drm/amdgpu: Avoid HW GPU reset for RAS.")
> ---
>   drivers/gpu/drm/amd/amdgpu/amdgpu_job.c | 4 ----
>   1 file changed, 4 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c
> index 67f66f2f1809..600401f2a98f 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c
> @@ -285,10 +285,6 @@ void amdgpu_job_stop_all_jobs_on_sched(struct drm_gpu_scheduler *sched)
>   	/* Signal all jobs not yet scheduled */
>   	for (i = DRM_SCHED_PRIORITY_COUNT - 1; i >= DRM_SCHED_PRIORITY_MIN; i--) {
>   		struct drm_sched_rq *rq = &sched->sched_rq[i];
> -
> -		if (!rq)
> -			continue;
> -
>   		spin_lock(&rq->lock);
>   		list_for_each_entry(s_entity, &rq->entities, list) {
>   			while ((s_job = to_drm_sched_job(spsc_queue_pop(&s_entity->job_queue)))) {