From: Grazvydas Ignotas <notasas-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
To: dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org,
amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
Subject: [PATCH] drm/amdgpu: fix a vm_flush fence leak
Date: Sun, 23 Oct 2016 21:31:45 +0300 [thread overview]
Message-ID: <1477247507-11378-3-git-send-email-notasas@gmail.com> (raw)
Looks like .last_flush reference is left at teardown.
Leak reported by CONFIG_SLUB_DEBUG.
Fixes: 41d9eb2c5a2a ("drm/amdgpu: add a fence after the VM flush")
Signed-off-by: Grazvydas Ignotas <notasas@gmail.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index ded57dd..d6c2839 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -1774,5 +1774,6 @@ void amdgpu_vm_manager_fini(struct amdgpu_device *adev)
fence_put(adev->vm_manager.ids[i].first);
amdgpu_sync_free(&adev->vm_manager.ids[i].active);
fence_put(id->flushed_updates);
+ fence_put(id->last_flush);
}
}
--
2.7.4
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next reply other threads:[~2016-10-23 18:31 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-10-23 18:31 Grazvydas Ignotas [this message]
[not found] ` <1477247507-11378-3-git-send-email-notasas-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2016-10-24 2:32 ` [PATCH] drm/amdgpu: fix a vm_flush fence leak zhoucm1
2016-10-24 9:07 ` Christian König
2016-10-24 16:11 ` Alex Deucher
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