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avformat/rtpdec_xiph: Move pkt_len onto one side of the check

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This is more correct
Fixes CID1271793

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2015-05-12 18:07:32 +02:00
parent aa5169935e
commit a23379a0a6
1 changed files with 1 additions and 1 deletions
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2
libavformat/rtpdec_xiph.c
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@ -73,7 +73,7 @@ static int xiph_handle_packet(AVFormatContext *ctx, PayloadContext *data,
}
pkt_len = AV_RB16(data->split_buf + data->split_pos);
data->split_pos += 2;
if (data->split_pos + pkt_len > data->split_buf_len) {
if (pkt_len > data->split_buf_len - data->split_pos) {
av_log(ctx, AV_LOG_ERROR, "Not enough data to return\n");
return AVERROR_INVALIDDATA;
}