avformat/matroskaenc: fix leak on error

Signed-off-by: James Almer <jamrial@gmail.com>

avformat/matroskaenc: fix leak on error
Signed-off-by: James Almer <jamrial@gmail.com>
1ec777dc · Tristan Matthews · James Almer · d6a83922 · 1ec777dc
Commit 1ec777dc authored Apr 04, 2019 by Tristan Matthews Committed by James Almer Apr 09, 2019
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matroskaenc.c libavformat/matroskaenc.c +3 -1

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--- a/libavformat/matroskaenc.c
+++ b/libavformat/matroskaenc.c
@@ -694,8 +694,10 @@ static int put_flac_codecpriv(AVFormatContext *s,
        av_dict_set(&dict, "WAVEFORMATEXTENSIBLE_CHANNEL_MASK", buf, 0);

        len = ff_vorbiscomment_length(dict, vendor, NULL, 0);
-        if (len >= ((1<<24) - 4))
+        if (len >= ((1<<24) - 4)) {
+            av_dict_free(&dict);
            return AVERROR(EINVAL);
+        }

        data = av_malloc(len + 4);
        if (!data) {