From 67da1f3d8d5cb490e8991f75c302fb892ee355bd Mon Sep 17 00:00:00 2001
From: Marko Zec <zec@FreeBSD.org>
Date: Fri, 22 May 2009 22:22:21 +0000
Subject: [PATCH] Set ifp->if_afdata_initialized to 0 while holding
 IF_AFDATA_LOCK on ifp, not after the lock has been released.

Reviewed by:	bz
Discussed with:	rwatson
---
 sys/net/if.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sys/net/if.c b/sys/net/if.c
index fea9db77416..7248768439c 100644
--- a/sys/net/if.c
+++ b/sys/net/if.c
@@ -1022,8 +1022,8 @@ if_detach_internal(struct ifnet *ifp, int vmove)
 			(*dp->dom_ifdetach)(ifp,
 			    ifp->if_afdata[dp->dom_family]);
 	}
-	IF_AFDATA_UNLOCK(ifp);
 	ifp->if_afdata_initialized = 0;
+	IF_AFDATA_UNLOCK(ifp);
 
 	if (!vmove)
 		ifq_detach(&ifp->if_snd);