From: Michael S. Tsirkin <mst@redhat.com>
Date: Thu, 1 Aug 2013 10:43:19 +0000 (+0300)
Subject: macvlan: better mode validation
X-Git-Tag: v3.11-rc4~5^2~17
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=266e83474c98e9f18d31f4837cfe05819a660d32;p=pandora-kernel.git

macvlan: better mode validation

macvlan passthrough mode is special: it's not possible to switch to or
from it through a netlink command.

But if you try, the command will succeed, which is
confusing.

Validate input and return error to user.

Cc:  Sridhar Samudrala <sri@us.ibm.com>
Cc: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

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