If a timeline is destroyed while fences still hold pts on it, the reworked fence release handler can cause the timeline to be freed before all it's points are freed. Change-Id: I1cd8ddb638eded7db9db446ff6b37f3dd165d6c4 Signed-off-by: Erik Gilling <konkers@android.com> Signed-off-by: Ajay Dudani <adudani@codeaurora.org>