[FFmpeg-cvslog] riff: Fix freeing of random value.

[Michael Niedermayer]

ffmpeg | branch: release/0.9 | Michael Niedermayer <michaelni at gmx.at> | Wed Dec 14 21:23:03 2011 +0100| [f52324629a0f8e3a022a494fabfe0a4354f78f99] | committer: Michael Niedermayer

riff: Fix freeing of random value.
Fixes Ticket752
Bug-found-by: Diana Elena Muscalu
(cherry picked from commit 76b9a0961c33c9eb19b220c6f0edfbb3e79fcd59)

Signed-off-by: Michael Niedermayer <michaelni at gmx.at>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=f52324629a0f8e3a022a494fabfe0a4354f78f99
---

 libavformat/riff.c |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)

diff --git a/libavformat/riff.c b/libavformat/riff.c
index 3cc3c35..9915eb2 100644
--- a/libavformat/riff.c
+++ b/libavformat/riff.c
@@ -713,8 +713,7 @@ int ff_read_riff_info(AVFormatContext *s, int64_t size)
         AV_WL32(key, chunk_code);
 
         if (avio_read(pb, value, chunk_size) != chunk_size) {
-            av_freep(key);
-            av_freep(value);
+            av_freep(&value);
             av_log(s, AV_LOG_ERROR, "premature end of file while reading INFO tag\n");
             return AVERROR_INVALIDDATA;
         }