netdev - MTU of bridge after deleting an interface

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Message-ID: <ebf95dd7-9166-43d5-9919-22f2cd654ef6@default>
Date:	Thu, 12 Mar 2015 15:37:31 -0700 (PDT)
From:	Venkat Venkatsubra <venkat.x.venkatsubra@...cle.com>
To:	netdev@...r.kernel.org
Cc:	davem@...emloft.net
Subject: MTU of bridge after deleting an interface

Hello All,

When adding an interface the bridge interface's MTU is set to the
minimum of all the interfaces. Call to dev_set_mtu(br->dev, br_min_mtu(br))
in br_add_if() achieves that. But when deleting an interface from the bridge
the MTU is not reset again to the minimum of the current set of interfaces.
Is there a reason it is that way ?

If not I could send a patch that resets the MTU with a call to
dev_set_mtu(br->dev, br_min_mtu(br)) in br_del_if().

Looking forward to your response.

Thanks.

Venkat
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