avformat/rtpenc: check av_packet_get_side_data() return, fix null ptr dereference

Fixes CID1035715

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-12-13 01:33:35 +01:00
parent c5f15f40b9
commit 5d8e4f6da0
1 changed files with 4 additions and 0 deletions

View File

@ -557,6 +557,10 @@ static int rtp_write_packet(AVFormatContext *s1, AVPacket *pkt)
const uint8_t *mb_info =
av_packet_get_side_data(pkt, AV_PKT_DATA_H263_MB_INFO,
&mb_info_size);
if (!mb_info) {
av_log(s1, AV_LOG_ERROR, "failed to allocate side data\n");
return AVERROR(ENOMEM);
}
ff_rtp_send_h263_rfc2190(s1, pkt->data, size, mb_info, mb_info_size);
break;
}