drm/amdgpu: fix warning in scheduler

This should never happen so warn when the count does
not equal the expected size.

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

1 files changed, 3 insertions, 2 deletions

diff --git a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c
index ab8577f8ed4a..9259f1b6664c 100644
--- a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c
+++ b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c
@@ -332,7 +332,7 @@ static int amd_sched_main(void *param)
 {
         struct sched_param sparam = {.sched_priority = 1};
         struct amd_gpu_scheduler *sched = (struct amd_gpu_scheduler *)param;
-        int r;
+        int r, count;
 
         sched_setscheduler(current, SCHED_FIFO, &sparam);
 
@@ -361,7 +361,8 @@ static int amd_sched_main(void *param)
                         fence_put(fence);
                 }
 
-                kfifo_out(&entity->job_queue, &job, sizeof(job));
+                count = kfifo_out(&entity->job_queue, &job, sizeof(job));
+                WARN_ON(count != sizeof(job));
                 wake_up(&sched->job_scheduled);
         }
         return 0;