linux-kernel - [PATCH v2] drm/sched: Add NULL check for s

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Date:   Fri, 30 Sep 2022 14:14:26 +0530
From:   Arvind Yadav <Arvind.Yadav@....com>
To:     <Christian.Koenig@....com>, <andrey.grodzovsky@....com>,
        <shashank.sharma@....com>, <amaranath.somalapuram@....com>,
        <Arunpravin.PaneerSelvam@....com>, <sumit.semwal@...aro.org>,
        <gustavo@...ovan.org>, <airlied@...ux.ie>, <daniel@...ll.ch>,
        <linux-media@...r.kernel.org>, <dri-devel@...ts.freedesktop.org>,
        <linaro-mm-sig@...ts.linaro.org>, <linux-kernel@...r.kernel.org>,
        <steven.price@....com>
CC:     Arvind Yadav <Arvind.Yadav@....com>
Subject: [PATCH v2] drm/sched: Add NULL check for s_fence->parent

NULL check is added for s_fence->parent.

Signed-off-by: Arvind Yadav <Arvind.Yadav@....com>
---
changes in v1 : subject 'drm/sched:' was missing.

 drivers/gpu/drm/scheduler/sched_main.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/scheduler/sched_main.c b/drivers/gpu/drm/scheduler/sched_main.c
index 4f2395d1a791..6684d88463b4 100644
--- a/drivers/gpu/drm/scheduler/sched_main.c
+++ b/drivers/gpu/drm/scheduler/sched_main.c
@@ -829,7 +829,8 @@ drm_sched_get_cleanup_job(struct drm_gpu_scheduler *sched)
 	job = list_first_entry_or_null(&sched->pending_list,
 				       struct drm_sched_job, list);
 
-	if (job && dma_fence_is_signaled(job->s_fence->parent)) {
+	if (job && job->s_fence->parent &&
+	    dma_fence_is_signaled(job->s_fence->parent)) {
 		/* remove job from pending_list */
 		list_del_init(&job->list);
 
-- 
2.25.1