From 6487f63b79cfbc22262720ac6afbb51de819c2aa Mon Sep 17 00:00:00 2001
From: Nick Mathewson <nickm@torproject.org>
Date: Thu, 26 Jul 2012 10:44:48 -0400
Subject: [PATCH] Check return value when using LEV_OPT_DEFERRED_ACCEPT. Found
 by coverity

---
 listener.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/listener.c b/listener.c
index a39c4dfc..276eb06e 100644
--- a/listener.c
+++ b/listener.c
@@ -239,7 +239,10 @@ evconnlistener_new_bind(struct event_base *base, evconnlistener_cb cb,
 	}
 
 	if (flags & LEV_OPT_DEFERRED_ACCEPT) {
-		evutil_make_tcp_listen_socket_deferred(fd);
+		if (evutil_make_tcp_listen_socket_deferred(fd) < 0) {
+			evutil_closesocket(fd);
+			return NULL;
+		}
 	}
 
 	if (sa) {