From 0597c8cf73fc5889ce4e2cf4c98e7900573f3d65 Mon Sep 17 00:00:00 2001
From: Robert Watson <rwatson@FreeBSD.org>
Date: Sun, 26 Mar 2006 02:33:44 +0000
Subject: [PATCH] Restore original formulation of SPX segment queue draining
 during SPX PCB detach.

MFC after:	1 month
---
 sys/netipx/spx_usrreq.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/sys/netipx/spx_usrreq.c b/sys/netipx/spx_usrreq.c
index 8054c27e510..dad3cd934a8 100644
--- a/sys/netipx/spx_usrreq.c
+++ b/sys/netipx/spx_usrreq.c
@@ -1427,7 +1427,9 @@ spx_pcbdetach(struct ipxpcb *ipxp)
 	cb = ipxtospxpcb(ipxp);
 	KASSERT(cb != NULL, ("spx_pcbdetach: cb == NULL"));
 
-	for (s = cb->s_q.si_next; s != NULL; s = cb->s_q.si_next) {
+	s = cb->s_q.si_next;
+	while (s != &(cb->s_q)) {
+		s = s->si_next;
 		remque(s);
 		m = dtom(s);
 		m_freem(m);