From: Stefan Hajnoczi <stefanha@gmail.com>
Date: Mon, 21 Jan 2013 01:17:22 +0000 (+0000)
Subject: net: split eth_mac_addr for better error handling
X-Git-Tag: v3.9-rc1~139^2~304^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=fa0879e37b59e8e3f130a30a9e6fa515717c5bdd;p=pandora-kernel.git

net: split eth_mac_addr for better error handling

When we set mac address, software mac address in system and hardware mac
address all need to be updated. Current eth_mac_addr() doesn't allow
callers to implement error handling nicely.

This patch split eth_mac_addr() to prepare part and real commit part,
then we can prepare first, and try to change hardware address, then do
the real commit if hardware address is set successfully.

Signed-off-by: Stefan Hajnoczi <stefanha@gmail.com>
Signed-off-by: Amos Kong <akong@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

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