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Diffstat (limited to 'libavformat/isom.c')
-rw-r--r--libavformat/isom.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/libavformat/isom.c b/libavformat/isom.c
index 8a85fe3568..da789d618b 100644
--- a/libavformat/isom.c
+++ b/libavformat/isom.c
@@ -460,8 +460,11 @@ int ff_mp4_read_dec_config_descr(AVFormatContext *fc, AVStream *st, AVIOContext
av_free(st->codec->extradata);
if (ff_alloc_extradata(st->codec, len))
return AVERROR(ENOMEM);
- if ((ret = avio_read(pb, st->codec->extradata, len)) != len)
+ if ((ret = avio_read(pb, st->codec->extradata, len)) != len) {
+ av_freep(&st->codec->extradata);
+ st->codec->extradata_size = 0;
return ret < 0 ? ret : AVERROR_INVALIDDATA;
+ }
if (st->codec->codec_id == AV_CODEC_ID_AAC) {
MPEG4AudioConfig cfg = {0};
avpriv_mpeg4audio_get_config(&cfg, st->codec->extradata,