amdgpu/dm: don't use after free.

This dereference acrtc after freeing it.

Found by the kfree cocci script.

Signed-off-by: Dave Airlie <airlied@redhat.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Dave Airlie 2017-10-03 14:27:15 +10:00 • committed by Alex Deucher
commit ae3a27d19b