tree cbfb0fc850b4975734bc35f35eaf3e327c8df21e
parent a1ee74f727ab2d50bcaccbb33f3607156f26f3fd
author James Zern <jzern@google.com> 1492891876 -0700
committer James Zern <jzern@google.com> 1493345688 +0000

webm_read_frame: avoid NULL dereference

block may be NULL with block_entry_eos or from return of GetBlock()

Change-Id: Ia0dd3ffa46305ee70efcdc55c05c2ad24efc993b