netdev - Re: [PATCH net/ipv6] net/ipv6: avoid possible dead locking on addr_gen

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Message-Id: <20170301.132442.1331801761085806178.davem@davemloft.net>
Date:   Wed, 01 Mar 2017 13:24:42 -0500 (EST)
From:   David Miller <davem@...emloft.net>
To:     felix.jia@...iedtelesis.co.nz
Cc:     netdev@...r.kernel.org
Subject: Re: [PATCH net/ipv6] net/ipv6: avoid possible dead locking on
 addr_gen_mode sysctl

From: Felix Jia <felix.jia@...iedtelesis.co.nz>
Date: Mon, 27 Feb 2017 12:41:23 +1300

> The addr_gen_mode variable can be accessed by both sysctl and netlink.
> Repleacd rtnl_lock() with rtnl_trylock() protect the sysctl operation to
> avoid the possbile dead lock.`
> 
> Signed-off-by: Felix Jia <felix.jia@...iedtelesis.co.nz>

Applied and queued up for -stable, thanks.