Merge commit 'ed9245dba83f9add60f55718b537b0af2105c60e'

* commit 'ed9245dba83f9add60f55718b537b0af2105c60e':
  oggparsevorbis: check allocations

Conflicts:
	libavformat/oggparsevorbis.c

See: 033f1644b5
See: 84aea80f78
Merged-by: Michael Niedermayer <michaelni@gmx.at>

libavformat/oggparsevorbis.c

@@ -193,7 +193,7 @@ struct oggvorbis_private {
     int final_duration;
 };
 
-static unsigned int fixup_vorbis_headers(AVFormatContext *as,
+static int fixup_vorbis_headers(AVFormatContext *as,
                                 struct oggvorbis_private *priv,
                                 uint8_t **buf)
 {
@@ -204,8 +204,8 @@ static unsigned int fixup_vorbis_headers(AVFormatContext *as,
     len = priv->len[0] + priv->len[1] + priv->len[2];
     buf_len = len + len / 255 + 64;
     ptr = *buf = av_realloc(NULL, buf_len);
-    if (!*buf)
-        return 0;
+    if (!ptr)
+        return AVERROR(ENOMEM);
     memset(*buf, '\0', buf_len);
 
     ptr[0]  = 2;