backend-drm: Cleanup output's disable head list when destroying it
Avoid memory use-after-free when the trying to remove it from an already freed list later.
Signed-off-by: Jeffy Chen jeffy.chen@rock-chips.com
Avoid memory use-after-free when the trying to remove it from an already freed list later.
Signed-off-by: Jeffy Chen jeffy.chen@rock-chips.com