diff options
| author | Grazvydas Ignotas <notasas@gmail.com> | 2016-10-23 21:31:45 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-11-18 10:51:53 +0100 |
| commit | 88a45e5d2c0d4bc2a79d33af411068992d07d564 (patch) | |
| tree | 69c0e7aec20560aea1d2c2e2967229dd47bde220 | |
| parent | 25ed6e4b0b651d84cc88e1347d34d186f45146ec (diff) | |
| download | lwn-88a45e5d2c0d4bc2a79d33af411068992d07d564.tar.gz lwn-88a45e5d2c0d4bc2a79d33af411068992d07d564.zip | |
drm/amdgpu: fix a vm_flush fence leak
commit 2d7c17be00e0dce3bc1a092a2c277a9f86c69ca9 upstream.
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")
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Grazvydas Ignotas <notasas@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c index 80120fa4092c..e86ca392a08c 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -1654,5 +1654,6 @@ 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); } } |