drm/radeon: keep __user during cast

Silence static checker warning.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König 2021-03-08 19:15:42 +01:00 • committed by Alex Deucher
commit 8b1c715fc8