Am 09.03.2017 um 00:18 schrieb Alex Deucher:
> Reject it if there are any invalid flags or domains.
>
> Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
Reviewed-by: Christian König <christian.koenig at amd.com> for both patches.
> ---
> drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c | 21 +++++++++++++++++++++
> 1 file changed, 21 insertions(+)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
> index 51d7594..106cf83 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
> @@ -202,6 +202,27 @@ int amdgpu_gem_create_ioctl(struct drm_device *dev, void *data,
> bool kernel = false;
> int r;
>
> + /* reject invalid gem flags */
> + if (args->in.domain_flags & ~(AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED |
> + AMDGPU_GEM_CREATE_NO_CPU_ACCESS |
> + AMDGPU_GEM_CREATE_CPU_GTT_USWC |
> + AMDGPU_GEM_CREATE_VRAM_CLEARED|
> + AMDGPU_GEM_CREATE_SHADOW |
> + AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS)) {
> + r = -EINVAL;
> + goto error_unlock;
> + }
> + /* reject invalid gem domains */
> + if (args->in.domains & ~(AMDGPU_GEM_DOMAIN_CPU |
> + AMDGPU_GEM_DOMAIN_GTT |
> + AMDGPU_GEM_DOMAIN_VRAM |
> + AMDGPU_GEM_DOMAIN_GDS |
> + AMDGPU_GEM_DOMAIN_GWS |
> + AMDGPU_GEM_DOMAIN_OA)) {
> + r = -EINVAL;
> + goto error_unlock;
> + }
> +
> /* create a gem object to contain this object in */
> if (args->in.domains & (AMDGPU_GEM_DOMAIN_GDS |
> AMDGPU_GEM_DOMAIN_GWS | AMDGPU_GEM_DOMAIN_OA)) {
