From 95ab41e938994c55c58caf350ff909d9b443988a Mon Sep 17 00:00:00 2001
From: Martin Kaiser <wireshark@kaiser.cx>
Date: Wed, 13 Mar 2013 22:39:50 +0000
Subject: [PATCH]  add missing NULL check
 http://www.wireshark.org/download/automated/analysis/scan-build-2013-03-12-1/report-q1cLLC.html#EndPath

svn path=/trunk/; revision=48283
---
 ringbuffer.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ringbuffer.c b/ringbuffer.c
index beffca5a24..58cb8e14c6 100644
--- a/ringbuffer.c
+++ b/ringbuffer.c
@@ -116,7 +116,7 @@ static int ringbuf_open_file(rb_file *rfile, int *err)
   rfile->name = g_strconcat(rb_data.fprefix, "_", filenum, "_", timestr,
 			    rb_data.fsuffix, NULL);
 
-  if (rfile->name == NULL) {
+  if (rfile->name == NULL && err != NULL) {
     *err = ENOMEM;
     return -1;
   }