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-rw-r--r--libavformat/riff.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/libavformat/riff.c b/libavformat/riff.c
index 4b3ab60bb7..544c29f116 100644
--- a/libavformat/riff.c
+++ b/libavformat/riff.c
@@ -537,6 +537,7 @@ int ff_get_wav_header(AVIOContext *pb, AVCodecContext *codec, int size)
}
codec->extradata_size = cbSize;
if (cbSize > 0) {
+ av_free(codec->extradata);
codec->extradata = av_mallocz(codec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
if (!codec->extradata)
return AVERROR(ENOMEM);