From: Tomas Härdin <tomas.hardin@codemill.se>
Date: Wed, 24 Oct 2012 14:54:25 +0000 (+0200)
Subject: mxf: Fix potential leak in mxf_read_local_tags()
X-Git-Tag: android-x86-6.0-r1~10^2~2358
X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=cc1e3ace63075ccd75ef3a2acdeb2e81cd8a429e;p=android-x86%2Fexternal-ffmpeg.git

mxf: Fix potential leak in mxf_read_local_tags()

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
---

diff --git a/libavformat/mxfdec.c b/libavformat/mxfdec.c
index c25fd11520..cb383b0ea2 100644
--- a/libavformat/mxfdec.c
+++ b/libavformat/mxfdec.c
@@ -1648,6 +1648,9 @@ static int mxf_read_local_tags(MXFContext *mxf, KLVPacket *klv, MXFMetadataReadF
         /* Accept the 64k local set limit being exceeded (Avid). Don't accept
          * it extending past the end of the KLV though (zzuf5.mxf). */
         if (avio_tell(pb) > klv_end) {
+            if (ctx_size)
+                av_free(ctx);
+
             av_log(mxf->fc, AV_LOG_ERROR,
                    "local tag %#04x extends past end of local set @ %#"PRIx64"\n",
                    tag, klv->offset);