macvlan: Propagate lowerdev MTU changes
authordingtianhong <dingtianhong@huawei.com>
Tue, 13 May 2014 06:39:27 +0000 (14:39 +0800)
committerDavid S. Miller <davem@davemloft.net>
Wed, 14 May 2014 19:35:03 +0000 (15:35 -0400)
When the physical MTU changes we should ensure that all existing MACVLAN
dev MTU do not exceed the new lowerdev MTU. This patch adds that
propagation.

Signed-off-by: Ding Tianhong <dingtianhong@huawei.com>
Reviewed-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/macvlan.c

Simple merge