[FFmpeg-cvslog] crypto: fix potential double free

[Etienne Buira]

ffmpeg | branch: master | Etienne Buira <etienne.buira.lists at free.fr> | Wed Jun  8 02:20:53 2011 +0200| [7d89f7cbf3ccd98f9a5f58db97effa9afd2d571a] | committer: Michael Niedermayer

crypto: fix potential double free

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=7d89f7cbf3ccd98f9a5f58db97effa9afd2d571a
---

 libavformat/crypto.c |    6 ++----
 1 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/libavformat/crypto.c b/libavformat/crypto.c
index 789a4d1..03bfedd 100644
--- a/libavformat/crypto.c
+++ b/libavformat/crypto.c
@@ -97,8 +97,8 @@ static int crypto_open(URLContext *h, const char *uri, int flags)
 
     return 0;
 err:
-    av_free(c->key);
-    av_free(c->iv);
+    av_freep(c->key);
+    av_freep(c->iv);
     return ret;
 }
 
@@ -157,8 +157,6 @@ static int crypto_close(URLContext *h)
     if (c->hd)
         ffurl_close(c->hd);
     av_freep(&c->aes);
-    av_freep(&c->key);
-    av_freep(&c->iv);
     return 0;
 }