diff options
| author | Dave Airlie <airlied@redhat.com> | 2016-05-03 12:44:29 +1000 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2016-05-03 11:53:44 -0400 |
| commit | 0092d3edcb23fcdb8cbe4159ba94a534290ff982 (patch) | |
| tree | e58d9c93ba27914d0d3c56074c6ce809c2b2db59 /drivers/gpu | |
| parent | ea99697814d6e64927e228675a6eb7fa76014648 (diff) | |
drm/amdgpu: set metadata pointer to NULL after freeing.
Without this there was a double free of the metadata,
which ended up freeing the fd table for me here, and taking
out the machine more often than not.
I reproduced with X.org + modesetting DDX + latest llvm/mesa,
also required using dri3.
Cc: stable@vger.kernel.org
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c index e557fc1f17c8..7ecea83ce453 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c @@ -541,6 +541,7 @@ int amdgpu_bo_set_metadata (struct amdgpu_bo *bo, void *metadata, if (!metadata_size) { if (bo->metadata_size) { kfree(bo->metadata); + bo->metadata = NULL; bo->metadata_size = 0; } return 0; |