From 955c72c194bf7e82b4fff0dc198003d84bdd86b0 Mon Sep 17 00:00:00 2001
From: Jacob Meuser <jakemsr@cvs.openbsd.org>
Date: Wed, 27 Oct 2010 17:51:12 +0000
Subject: don't free network related resources if they were not allocated

---
 sys/dev/usb/if_ral.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

(limited to 'sys/dev/usb/if_ral.c')

diff --git a/sys/dev/usb/if_ral.c b/sys/dev/usb/if_ral.c
index 4e7677f4ee9..c5dca41c525 100644
--- a/sys/dev/usb/if_ral.c
+++ b/sys/dev/usb/if_ral.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: if_ral.c,v 1.115 2010/10/23 16:14:07 jakemsr Exp $	*/
+/*	$OpenBSD: if_ral.c,v 1.116 2010/10/27 17:51:11 jakemsr Exp $	*/
 
 /*-
  * Copyright (c) 2005, 2006
@@ -363,8 +363,10 @@ ural_detach(struct device *self, int flags)
 
 	s = splusb();
 
-	ieee80211_ifdetach(ifp);	/* free all nodes */
-	if_detach(ifp);
+	if (ifp->if_softc != NULL) {
+		ieee80211_ifdetach(ifp);	/* free all nodes */
+		if_detach(ifp);
+	}
 
 	usb_rem_task(sc->sc_udev, &sc->sc_task);
 	if (timeout_initialized(&sc->scan_to))
-- 
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