From d08e0ccc48aaf1d9d2aaff27460ef060cb86e085 Mon Sep 17 00:00:00 2001
From: Edward Hervey <edward.hervey@collabora.co.uk>
Date: Tue, 9 Aug 2011 11:28:17 +0200
Subject: [PATCH] rtspsrc: Properly error out if SDP contains no streams

Also fixes unitialized variable error on macosx.
---
 gst/rtsp/gstrtspsrc.c | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/gst/rtsp/gstrtspsrc.c b/gst/rtsp/gstrtspsrc.c
index 7b1a9d7780..c0b3753d1b 100644
--- a/gst/rtsp/gstrtspsrc.c
+++ b/gst/rtsp/gstrtspsrc.c
@@ -5000,7 +5000,7 @@ static GstRTSPResult
 gst_rtspsrc_setup_streams (GstRTSPSrc * src, gboolean async)
 {
   GList *walk;
-  GstRTSPResult res;
+  GstRTSPResult res = GST_RTSP_ERROR;
   GstRTSPMessage request = { 0 };
   GstRTSPMessage response = { 0 };
   GstRTSPStream *stream = NULL;
@@ -5032,6 +5032,9 @@ gst_rtspsrc_setup_streams (GstRTSPSrc * src, gboolean async)
   src->next_port_num = src->client_port_range.min;
   rtpport = rtcpport = 0;
 
+  if (G_UNLIKELY (src->streams == NULL))
+    goto no_streams;
+
   for (walk = src->streams; walk; walk = g_list_next (walk)) {
     GstRTSPConnection *conn;
     gchar *transports;
@@ -5284,6 +5287,12 @@ no_protocols:
         ("Could not connect to server, no protocols left"));
     return GST_RTSP_ERROR;
   }
+no_streams:
+  {
+    GST_ELEMENT_ERROR (src, RESOURCE, SETTINGS, (NULL),
+        ("SDP contains no streams"));
+    return GST_RTSP_ERROR;
+  }
 create_request_failed:
   {
     gchar *str = gst_rtsp_strresult (res);