netdev - Re: [PATCH] ipv6: fix run pending DAD when interface becomes ready

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Date:	Tue, 04 Nov 2008 14:51:22 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	benjamin.thery@...l.net
Cc:	yoshfuji@...ux-ipv6.org, netdev@...r.kernel.org
Subject: Re: [PATCH] ipv6: fix run pending DAD when interface becomes ready

From: Benjamin Thery <benjamin.thery@...l.net>
Date: Tue, 04 Nov 2008 14:55:50 +0100

> I think there's a bug in net/ipv6/addrconf.c, addrconf_notify():
> addrconf_dad_run() is not always run when the interface is flagged IF_READY.
> Currently it is only run when receiving NETDEV_CHANGE event. Looks like
> some (virtual) devices doesn't send this event when becoming up.
> 
> For both NETDEV_UP and NETDEV_CHANGE events, when the interface becomes
> ready, run_pending should be set to 1. Patch below.
> 
> 'run_pending = 1' could be moved below the if/else block but it makes 
> the code less readable.

I wonder if we should instead make the virtual devices emit
the missing event?
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