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avformat/qoadec: Check ffio_ensure_seekback()

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Fixes Coverity issue #1598406.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt 2024-05-22 06:53:07 +02:00
parent 6dc8d4eea8
commit 95faf45af1
1 changed files with 4 additions and 1 deletions
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5
libavformat/qoadec.c
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@ -41,6 +41,7 @@ static int qoa_read_header(AVFormatContext *s)
{
AVIOContext *pb = s->pb;
AVStream *st;
int ret;
st = avformat_new_stream(s, NULL);
if (!st)
@ -52,7 +53,9 @@ static int qoa_read_header(AVFormatContext *s)
st->duration = avio_rb32(pb);
st->start_time = 0;
ffio_ensure_seekback(pb, 4);
ret = ffio_ensure_seekback(pb, 4);
if (ret < 0)
return ret;
st->codecpar->ch_layout.nb_channels = avio_r8(pb);
if (st->codecpar->ch_layout.nb_channels == 0)
return AVERROR_INVALIDDATA;