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From cca417f1ffbacdb9f741aa9f32d2012e907ccccb Mon Sep 17 00:00:00 2001
From: Yong Zhao <yong.zhao@amd.com>
Date: Thu, 22 Dec 2016 19:59:36 -0500
Subject: [PATCH 1221/4131] drm/amdkfd: Fix potential fence leak
Change-Id: Ic38cb450cb2a752335a6a6d7c86a1252ab65a75f
Signed-off-by: Yong Zhao <yong.zhao@amd.com>
---
drivers/gpu/drm/amd/amdkfd/kfd_device.c | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device.c b/drivers/gpu/drm/amd/amdkfd/kfd_device.c
index 2fb12bc..4ed7420 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_device.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_device.c
@@ -860,7 +860,8 @@ int kgd2kfd_schedule_evict_and_restore_process(struct mm_struct *mm,
goto out;
else {
WARN(1, "Starting new evict with previous evict is not completed\n");
- cancel_work_sync(&p->eviction_work.work);
+ if (cancel_work_sync(&p->eviction_work.work))
+ fence_put(p->eviction_work.eviction_fence);
}
}
@@ -899,11 +900,11 @@ void kfd_evict_bo_worker(struct work_struct *work)
ret = quiesce_process_mm(p);
if (!ret) {
fence_signal(eviction_work->eviction_fence);
- fence_put(eviction_work->eviction_fence);
kfd_schedule_restore_bos_and_queues(p);
- } else {
+ } else
pr_err("Failed to quiesce user queues. Cannot evict BOs\n");
- }
+
+ fence_put(eviction_work->eviction_fence);
}
--
2.7.4
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