netdev - Re: [PATCH stable 3.7+] fib_frontend: fix possible NULL pointer dereference

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Date:	Fri, 24 Jan 2014 15:52:06 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	socketcan@...tkopp.net
Cc:	eric.dumazet@...il.com, netdev@...r.kernel.org
Subject: Re: [PATCH stable 3.7+] fib_frontend: fix possible NULL pointer
 dereference

From: Oliver Hartkopp <socketcan@...tkopp.net>
Date: Thu, 23 Jan 2014 10:19:34 +0100

> The two commits 0115e8e30d (net: remove delay at device dismantle) and
> 748e2d9396a (net: reinstate rtnl in call_netdevice_notifiers()) silently
> removed a NULL pointer check for in_dev since Linux 3.7.
> 
> This patch re-introduces this check as it causes crashing the kernel when
> setting small mtu values on non-ip capable netdevices.
> 
> Signed-off-by: Oliver Hartkopp <socketcan@...tkopp.net>

Applied and queued up for -stable, thanks.
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