From a5b1a8553c1ed85f2b3ae1a4ddb1a9b4b232e024 Mon Sep 17 00:00:00 2001
From: Sean Farley <scf@FreeBSD.org>
Date: Tue, 17 Mar 2009 02:32:36 +0000
Subject: [PATCH] Remove the splimp()/splx() calls around the setting of the
 MTU.  They are no-op's that I inadvertently added.  Even if locking is needed
 in general for the ioctl's, setting a single long will not need it due to the
 operation being atomic.

Reported by:	rwatson
---
 sys/net/if_tap.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/sys/net/if_tap.c b/sys/net/if_tap.c
index 99c5968e324..92563012c28 100644
--- a/sys/net/if_tap.c
+++ b/sys/net/if_tap.c
@@ -611,9 +611,7 @@ tapifioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
 			break;
 
 		case SIOCSIFMTU:
-			s = splimp();
 			ifp->if_mtu = ifr->ifr_mtu;
-			splx(s);
 			break;
 
 		case SIOCGIFSTATUS: