From 6ce907eeaaea842ce42684fe0abe2224a9e4b7db Mon Sep 17 00:00:00 2001
From: Miod Vallat <miod@cvs.openbsd.org>
Date: Sat, 5 Apr 2014 13:31:00 +0000
Subject: Be sure to release rwlock when returning error in pppxclose().

---
 sys/net/if_pppx.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

(limited to 'sys')

diff --git a/sys/net/if_pppx.c b/sys/net/if_pppx.c
index 4dbe420bc18..5571ff14f4d 100644
--- a/sys/net/if_pppx.c
+++ b/sys/net/if_pppx.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: if_pppx.c,v 1.27 2014/04/04 03:34:41 jsg Exp $ */
+/*	$OpenBSD: if_pppx.c,v 1.28 2014/04/05 13:30:59 miod Exp $ */
 
 /*
  * Copyright (c) 2010 Claudio Jeker <claudio@openbsd.org>
@@ -590,8 +590,10 @@ pppxclose(dev_t dev, int flags, int mode, struct proc *p)
 
 	rw_enter_write(&pppx_devs_lk);
 
-	if ((pxd = pppx_dev_lookup(dev)) == NULL)
+	if ((pxd = pppx_dev_lookup(dev)) == NULL) {
+		rw_exit_write(&pppx_devs_lk);
 		return (ENXIO);
+	}
 
 	/* XXX */
 	while ((pxi = LIST_FIRST(&pxd->pxd_pxis)))
-- 
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