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matroska: Fix leaking memory allocated for laces.

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During error conditions matroska_parse_block may exit without
freeing the memory allocated for laces.

Found via valgrind: http://pastebin.com/E54k8QFU

Signed-off-by: Dale Curtis <dalecurtis@chromium.org>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Dale Curtis 2012-04-12 17:14:35 -07:00 committed by Michael Niedermayer
parent fd165a0b31
commit b5ada68ead
1 changed files with 3 additions and 0 deletions
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3
libavformat/matroskadec.c
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@ -1940,6 +1940,7 @@ static int matroska_parse_block(MatroskaDemuxContext *matroska, uint8_t *data,
if (size < cfs * h / 2) {
av_log(matroska->ctx, AV_LOG_ERROR,
"Corrupt int4 RM-style audio packet size\n");
av_free(lace_size);
return AVERROR_INVALIDDATA;
}
for (x=0; x<h/2; x++)
@ -1949,6 +1950,7 @@ static int matroska_parse_block(MatroskaDemuxContext *matroska, uint8_t *data,
if (size < w) {
av_log(matroska->ctx, AV_LOG_ERROR,
"Corrupt sipr RM-style audio packet size\n");
av_free(lace_size);
return AVERROR_INVALIDDATA;
}
memcpy(track->audio.buf + y*w, data, w);
@ -1956,6 +1958,7 @@ static int matroska_parse_block(MatroskaDemuxContext *matroska, uint8_t *data,
if (size < sps * w / sps) {
av_log(matroska->ctx, AV_LOG_ERROR,
"Corrupt generic RM-style audio packet size\n");
av_free(lace_size);
return AVERROR_INVALIDDATA;
}
for (x=0; x<w/sps; x++)