Commit b174084b authored by Mario Limonciello's avatar Mario Limonciello Committed by Alex Deucher
Browse files

drm/amd/display: Only finalize atomic_obj if it was initialized 



[Why]
If amdgpu_dm failed to initalize before amdgpu_dm_initialize_drm_device()
completed then freeing atomic_obj will lead to list corruption.

[How]
Check if atomic_obj state is initialized before trying to free.

Reviewed-by: default avatarHarry Wentland <harry.wentland@amd.com>
Signed-off-by: default avatarMario Limonciello <mario.limonciello@amd.com>
Signed-off-by: default avatarIvan Lipski <ivan.lipski@amd.com>
Tested-by: default avatarDaniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent a5ce8695

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c

+2 −1
Original line number Diff line number Diff line
@@ -5410,6 +5410,7 @@ static int amdgpu_dm_initialize_drm_device(struct amdgpu_device *adev) 


static void amdgpu_dm_destroy_drm_device(struct amdgpu_display_manager *dm)

{

	if (dm->atomic_obj.state)

		drm_atomic_private_obj_fini(&dm->atomic_obj);

}