netdev - Re: [PATCH][net-next] ipv6: replace write lock with read lock in addrconf_permanent

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Message-Id: <20160314.122534.345751583747280951.davem@davemloft.net>
Date:	Mon, 14 Mar 2016 12:25:34 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	roy.qing.li@...il.com
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH][net-next] ipv6: replace write lock with read lock in
 addrconf_permanent_addr

From: roy.qing.li@...il.com
Date: Mon, 14 Mar 2016 17:35:08 +0800

> From: Li RongQing <roy.qing.li@...il.com>
> 
> nothing of idev is changed, so read lock is enough
> 
> Signed-off-by: Li RongQing <roy.qing.li@...il.com>

We need it for the modifications made by fixup_permanent_addr().