From 91e1324ac74746103896c4a557e62d3e40a708f4 Mon Sep 17 00:00:00 2001
From: Martin Pieuchot <mpi@cvs.openbsd.org>
Date: Wed, 25 Mar 2020 11:39:59 +0000
Subject: Grab the NET_LOCK() before calling pipex_iface_stop().

This function calls pipex_destroy_session() which requires the lock and
pipex_ioctl() already calls it with the NET_LOCK() held.

From Vitaliy Makkoveev.
---
 sys/net/pipex.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/sys/net/pipex.c b/sys/net/pipex.c
index 44564d3281c..a1df79f6931 100644
--- a/sys/net/pipex.c
+++ b/sys/net/pipex.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: pipex.c,v 1.107 2019/01/31 18:01:14 millert Exp $	*/
+/*	$OpenBSD: pipex.c,v 1.108 2020/03/25 11:39:58 mpi Exp $	*/
 
 /*-
  * Copyright (c) 2009 Internet Initiative Japan Inc.
@@ -197,7 +197,9 @@ void
 pipex_iface_fini(struct pipex_iface_context *pipex_iface)
 {
 	pool_put(&pipex_session_pool, pipex_iface->multicast_session);
+	NET_LOCK();
 	pipex_iface_stop(pipex_iface);
+	NET_UNLOCK();
 }
 
 int
-- 
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