From 5ce4db64324c3291d953e096a4d159678465b306 Mon Sep 17 00:00:00 2001
From: rwatson <rwatson@FreeBSD.org>
Date: Mon, 12 Mar 2007 14:52:00 +0000
Subject: [PATCH] In uipc_close(), we no longer always free the unpcb, as the
 last reference may be dropped later.  In this case, always unlock the unpcb
 so as not to leak the lock.

Found by:	kris (BugMagnet)
---
 sys/kern/uipc_usrreq.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/sys/kern/uipc_usrreq.c b/sys/kern/uipc_usrreq.c
index 17a8fb5c8661..79da63bb705e 100644
--- a/sys/kern/uipc_usrreq.c
+++ b/sys/kern/uipc_usrreq.c
@@ -593,7 +593,8 @@ uipc_detach(struct socket *so)
 	if (freeunp) {
 		UNP_PCB_LOCK_DESTROY(unp);
 		uma_zfree(unp_zone, unp);
-	}
+	} else
+		UNP_PCB_UNLOCK(unp);
 	if (vp) {
 		int vfslocked;