From: Xi Wang <xi.wang@gmail.com>
Date: Wed, 14 Nov 2012 07:52:32 +0000 (-0500)
Subject: segment: fix NULL pointer dereference in seg_write_header()
X-Git-Tag: android-x86-4.4-r1~364^2~2691
X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=e8769b37fe8a841c0d28d3686c6d3cdecc542bc7;p=android-x86%2Fexternal-ffmpeg.git

segment: fix NULL pointer dereference in seg_write_header()

Since the pointer `oc' is NULL, oc->oformat->name will cause a null
pointer dereference.  This patch changes it to seg->oformat->name.

Signed-off-by: Xi Wang <xi.wang@gmail.com>
Signed-off-by: Martin Storsjö <martin@martin.st>
---

diff --git a/libavformat/segment.c b/libavformat/segment.c
index fd5283560e..8afb41f93d 100644
--- a/libavformat/segment.c
+++ b/libavformat/segment.c
@@ -210,7 +210,7 @@ static int seg_write_header(AVFormatContext *s)
     }
     if (seg->oformat->flags & AVFMT_NOFILE) {
         av_log(s, AV_LOG_ERROR, "format %s not supported.\n",
-               oc->oformat->name);
+               seg->oformat->name);
         ret = AVERROR(EINVAL);
         goto fail;
     }