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From 5134e999cb72c621f48305d5c201ab30156505c1 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@amd.com>
Date: Fri, 4 Sep 2015 00:11:54 -0400
Subject: [PATCH 0531/1050] drm/amdgpu: fix warning in scheduler
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
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>
---
drivers/gpu/drm/amd/scheduler/gpu_scheduler.c | 5 +++--
1 file 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 ab8577f..9259f1b 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;
--
1.9.1
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