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Message-ID: <20150313140822.GA30448@oracle.com>
Date: Fri, 13 Mar 2015 07:08:22 -0700
From: Venkat Venkatsubra <venkat.x.venkatsubra@...cle.com>
To: netdev@...r.kernel.org
Cc: davem@...emloft.net
Subject: [PATCH] bridge: reset bridge mtu after deleting an interface
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 <venkat.x.venkatsubra@...cle.com>
---
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
--
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