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lavf/avidec: fix memory leak in error handling path

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free the value in error handling path to avoid the memory leak.

Signed-off-by: Jun Zhao <barryjzhao@tencent.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Jun Zhao 2019-09-10 19:39:27 +08:00 committed by Michael Niedermayer
parent de5543d8d4
commit 3740bdee77
1 changed files with 3 additions and 1 deletions
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4
libavformat/avidec.c
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@ -306,8 +306,10 @@ static int avi_read_tag(AVFormatContext *s, AVStream *st, uint32_t tag,
value = av_malloc(size + 1);
if (!value)
return AVERROR(ENOMEM);
if (avio_read(pb, value, size) != size)
if (avio_read(pb, value, size) != size) {
av_freep(&value);
return AVERROR_INVALIDDATA;
}
value[size] = 0;
AV_WL32(key, tag);