From f97f0333867ee4ea3ede4886d1edac808b11d43a Mon Sep 17 00:00:00 2001
From: Lukas Hejtmanek <xhejtman@ics.muni.cz>
Date: Tue, 9 Feb 2010 11:20:22 +0100
Subject: [PATCH] take care of SEGV

---
 ultragrid/src/rtp/decoders.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/ultragrid/src/rtp/decoders.c b/ultragrid/src/rtp/decoders.c
index cd5ec4107..f560a4f1b 100644
--- a/ultragrid/src/rtp/decoders.c
+++ b/ultragrid/src/rtp/decoders.c
@@ -67,6 +67,9 @@ void decode_frame(struct coded_data *cdata, struct video_frame *frame)
         int prints=0;
         double fps;
 
+        if(!frame)
+                return;
+
         while (cdata != NULL) {
                 pckt = cdata->data;
                 hdr = (payload_hdr_t *) pckt->data;