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avformat/mpc8: check avio_read() return in mpc8_parse_seektable() 

no sample / testcase known

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-12-25 23:55:06 +01:00
parent e33b6ccfa7
commit 26ce266e3d
1 changed files with 7 additions and 2 deletions
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9
libavformat/mpc8.c
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@ -136,7 +136,7 @@ static void mpc8_parse_seektable(AVFormatContext *s, int64_t off)
int tag;
int64_t size, pos, ppos[2];
uint8_t *buf;
int i, t, seekd;
int i, t, seekd, ret;
GetBitContext gb;
if (s->nb_streams == 0) {
@ -156,7 +156,12 @@ static void mpc8_parse_seektable(AVFormatContext *s, int64_t off)
}
if(!(buf = av_malloc(size + FF_INPUT_BUFFER_PADDING_SIZE)))
return;
avio_read(s->pb, buf, size);
ret = avio_read(s->pb, buf, size);
if (ret != size) {
av_log(s, AV_LOG_ERROR, "seek table truncated\n");
av_free(buf);
return;
}
memset(buf+size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
init_get_bits(&gb, buf, size * 8);