From: Antonio Huete Jimenez <tuxillo@quantumachine.net>
Date: Thu, 2 Aug 2012 18:15:28 +0000 (+0200)
Subject: dhclient - Make sure an interface is registered before we start using it.
X-Git-Tag: v3.2.0~337
X-Git-Url: https://gitweb.dragonflybsd.org/dragonfly.git/commitdiff_plain/d19bab2e415eb6d9787597eff213229a253a7cbb?ds=sidebyside

dhclient - Make sure an interface is registered before we start using it.

Taken-from: OpenBSD
---

diff --git a/sbin/dhclient/dispatch.c b/sbin/dhclient/dispatch.c
index 3c021b42ae..7968d24208 100644
--- a/sbin/dhclient/dispatch.c
+++ b/sbin/dhclient/dispatch.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: src/sbin/dhclient/dispatch.c,v 1.47 2010/07/02 22:03:27 deraadt Exp $	*/
+/*	$OpenBSD: src/sbin/dhclient/dispatch.c,v 1.49 2010/10/23 14:26:57 phessler Exp $	*/
 
 /*
  * Copyright 2004 Henning Brauer <henning@openbsd.org>
@@ -132,6 +132,9 @@ dispatch(void)
 		 * a timeout registered, time out the select call then.
 		 */
 another:
+		if (!ifi)
+			error("No interfaces available");
+
 		if (!ifi->linkstat)
 			interfaces_invalidated = 0;