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bethsoftvid: check return value of av_packet_new_side_data()

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Fixes null pointer dereference, fixes CID733777.

Signed-off-by: Paul B Mahol <onemda@gmail.com>
This commit is contained in:
Paul B Mahol
2012-10-11 19:37:25 +00:00
parent 313b40efbd
commit 3632f35c8e
1 changed files with 2 additions and 1 deletions
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libavformat/bethsoftvid.c
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@ -187,6 +187,7 @@ static int read_frame(BVID_DemuxContext *vid, AVIOContext *pb, AVPacket *pkt,
if (vid->palette) { if (vid->palette) {
uint8_t *pdata = av_packet_new_side_data(pkt, AV_PKT_DATA_PALETTE, uint8_t *pdata = av_packet_new_side_data(pkt, AV_PKT_DATA_PALETTE,
BVID_PALETTE_SIZE); BVID_PALETTE_SIZE);
if (pdata)
memcpy(pdata, vid->palette, BVID_PALETTE_SIZE); memcpy(pdata, vid->palette, BVID_PALETTE_SIZE);
av_freep(&vid->palette); av_freep(&vid->palette);
} }