Added an out of bound check on u4_num_bufs in input argument am: aa11ab9f am: 50ec4202 am: 0514a1eb am: fa8bb9d8 am: 96228ba3 am: 4a6a743d Change-Id: Ifb4eef3f1f35daf42ce7c7e2052e6a2ad7025ef1