From: Sergey Vlasov <vsu@altlinux.ru>
Date: Mon, 10 Apr 2006 05:32:48 +0000 (-0700)
Subject: [NET]: Fix hotplug race during device registration.
X-Git-Tag: v2.6.17-rc2~291^2~4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9469d458b90bfb9117cbb488cfa645d94c3921b1;p=pandora-kernel.git

[NET]: Fix hotplug race during device registration.

From: Thomas de Grenier de Latour <degrenier@easyconnect.fr>

On Sun, 9 Apr 2006 21:56:59 +0400,
Sergey Vlasov <vsu@altlinux.ru> wrote:

> However, show_address() does not output anything unless
> dev->reg_state == NETREG_REGISTERED - and this state is set by
> netdev_run_todo() only after netdev_register_sysfs() returns, so in
> the meantime (while netdev_register_sysfs() is busy adding the
> "statistics" attribute group) some process may see an empty "address"
> attribute.

I've tried the attached patch, suggested by Sergey Vlasov on
hotplug-devel@, and as far as i can test it works just fine.

Signed-off-by: David S. Miller <davem@davemloft.net>
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