From 52d269b6b19e1eb46a8b41a13f58e4ffb6692097 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?V=C3=ADctor=20Manuel=20J=C3=A1quez=20Leal?=
 <vjaquez@igalia.com>
Date: Thu, 11 Apr 2013 13:25:51 -0400
Subject: [PATCH] videometa: gst_buffer_add_meta() can return NULL

https://bugzilla.gnome.org/show_bug.cgi?id=697824
---
 gst-libs/gst/video/gstvideometa.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/gst-libs/gst/video/gstvideometa.c b/gst-libs/gst/video/gstvideometa.c
index 13883f1c04..dfce22e153 100644
--- a/gst-libs/gst/video/gstvideometa.c
+++ b/gst-libs/gst/video/gstvideometa.c
@@ -36,6 +36,10 @@ gst_video_meta_transform (GstBuffer * dest, GstMeta * meta,
       dmeta =
           (GstVideoMeta *) gst_buffer_add_meta (dest, GST_VIDEO_META_INFO,
           NULL);
+
+      if (!dmeta)
+        return FALSE;
+
       dmeta->buffer = dest;
 
       GST_DEBUG ("copy video metadata");
@@ -221,6 +225,9 @@ gst_buffer_add_video_meta_full (GstBuffer * buffer,
   meta =
       (GstVideoMeta *) gst_buffer_add_meta (buffer, GST_VIDEO_META_INFO, NULL);
 
+  if (!meta)
+    return NULL;
+
   meta->flags = flags;
   meta->format = format;
   meta->id = 0;
@@ -419,6 +426,10 @@ gst_video_gl_texture_upload_meta_transform (GstBuffer * dest, GstMeta * meta,
       dmeta =
           (GstVideoGLTextureUploadMeta *) gst_buffer_add_meta (dest,
           GST_VIDEO_GL_TEXTURE_UPLOAD_META_INFO, NULL);
+
+      if (!dmeta)
+        return FALSE;
+
       dmeta->buffer = dest;
       dmeta->upload = smeta->upload;
       dmeta->user_data = smeta->user_data;
@@ -476,6 +487,9 @@ gst_buffer_add_video_gl_texture_upload_meta (GstBuffer * buffer,
       (GstVideoGLTextureUploadMeta *) gst_buffer_add_meta (buffer,
       GST_VIDEO_GL_TEXTURE_UPLOAD_META_INFO, NULL);
 
+  if (!meta)
+    return NULL;
+
   meta->buffer = buffer;
   meta->upload = upload;
   meta->user_data = user_data;