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drm/amdgpu: memset gds_info struct in info ioctl 

Avoids possibility that info may leak via the uninitialized
_pad element.

Noticed-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2015-04-30 11:47:03 -04:00
parent 1045745742
commit c92b90ccc2
1 changed files with 1 additions and 0 deletions
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1
drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
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@ -345,6 +345,7 @@ static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file
case AMDGPU_INFO_GDS_CONFIG: {
struct drm_amdgpu_info_gds gds_info;
memset(&gds_info, 0, sizeof(gds_info));
gds_info.gds_gfx_partition_size = adev->gds.mem.gfx_partition_size >> AMDGPU_GDS_SHIFT;
gds_info.compute_partition_size = adev->gds.mem.cs_partition_size >> AMDGPU_GDS_SHIFT;
gds_info.gds_total_size = adev->gds.mem.total_size >> AMDGPU_GDS_SHIFT;