From: Gao feng <gaofeng@cn.fujitsu.com>
Date: Thu, 13 Sep 2012 20:58:27 +0000 (+0000)
Subject: net: dev: fix incorrect getting net device's name
X-Git-Tag: omap-for-v3.7-rc1/fixes-cpufreq-signed~47^2~143
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=828de4f6bf6e785f7b5497f8f7cfd4d4fbcfdb7e;p=pandora-kernel.git

net: dev: fix incorrect getting net device's name

When moving a nic from net namespace A to net namespace B,
in dev_change_net_namesapce,we call __dev_get_by_name to
decide if the netns B has the device has the same name.

if the netns B already has the same named device,we call
dev_get_valid_name to try to get a valid name for this nic in
the netns B,but net_device->nd_net still point to netns A now.

this patch fix it.

Signed-off-by: Gao feng <gaofeng@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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