From 4f9ce3c4c796d475656161644cca9bead523d6e7 Mon Sep 17 00:00:00 2001
From: Stefano Sabatini <stefano.sabatini-lala@poste.it>
Date: Tue, 17 Aug 2010 15:12:22 +0000
Subject: [PATCH] Add missing NULL checks in avfilter_ref_buffer().

Originally committed as revision 24808 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
 libavfilter/avfilter.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/libavfilter/avfilter.c b/libavfilter/avfilter.c
index a0643c989f..0d05c266cc 100644
--- a/libavfilter/avfilter.c
+++ b/libavfilter/avfilter.c
@@ -48,9 +48,15 @@ const char *avfilter_license(void)
 AVFilterBufferRef *avfilter_ref_buffer(AVFilterBufferRef *ref, int pmask)
 {
     AVFilterBufferRef *ret = av_malloc(sizeof(AVFilterBufferRef));
+    if (!ret)
+        return NULL;
     *ret = *ref;
     if (ref->type == AVMEDIA_TYPE_VIDEO) {
         ret->video = av_malloc(sizeof(AVFilterBufferRefVideoProps));
+        if (!ret->video) {
+            av_free(ret);
+            return NULL;
+        }
         *ret->video = *ref->video;
     }
     ret->perms &= pmask;