Add malloc return null check for copybit context 'ctx', and source handler null check before getting metadata. Change-Id: I9466de72d2b47ec2ba58fd50e66022555652f4c8
Add malloc return null check for copybit context 'ctx', and source handler null check before getting metadata. Change-Id: I9466de72d2b47ec2ba58fd50e66022555652f4c8