drm/amdgpu: add check for callback
it is possible that the callback isn't defined sometimes.
Signed-off-by: Chunming Zhou <david1.zhou@amd.com>
Reviewed-by: Christian K?nig <christian.koenig@amd.com>
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
index 9ff4d27..c41360e 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
@@ -137,7 +137,8 @@
container_of(work, struct amdgpu_cs_parser,
job_work);
mutex_lock(&sched_job->job_lock);
- sched_job->free_job(sched_job);
+ if (sched_job->free_job)
+ sched_job->free_job(sched_job);
mutex_unlock(&sched_job->job_lock);
/* after processing job, free memory */
kfree(sched_job);