From mboxrd@z Thu Jan 1 00:00:00 1970 From: Venkat Venkatsubra Subject: [PATCH] bridge: reset bridge mtu after deleting an interface Date: Fri, 13 Mar 2015 07:08:22 -0700 Message-ID: <20150313140822.GA30448@oracle.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: davem@davemloft.net To: netdev@vger.kernel.org Return-path: Received: from userp1040.oracle.com ([156.151.31.81]:44466 "EHLO userp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751214AbbCMOIj (ORCPT ); Fri, 13 Mar 2015 10:08:39 -0400 Content-Disposition: inline Sender: netdev-owner@vger.kernel.org List-ID: On adding an interface br_add_if() sets the MTU to the min of all the interfaces. Do the same thing on removing an interface too in br_del_if. Signed-off-by: Venkat Venkatsubra --- net/bridge/br_if.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/net/bridge/br_if.c b/net/bridge/br_if.c index b087d27..1849d96 100644 --- a/net/bridge/br_if.c +++ b/net/bridge/br_if.c @@ -563,6 +563,8 @@ int br_del_if(struct net_bridge *br, struct net_device *dev) */ del_nbp(p); + dev_set_mtu(br->dev, br_min_mtu(br)); + spin_lock_bh(&br->lock); changed_addr = br_stp_recalculate_bridge_id(br); spin_unlock_bh(&br->lock); -- 1.8.2.1