From 5d5780df23537ad0db72267fe11103d2c23d9b2a Mon Sep 17 00:00:00 2001
From: Yan Zheng <yanzheng@21cn.com>
Date: Sun, 20 Nov 2005 13:42:20 -0800
Subject: [PATCH] [IPV6]: Acquire addrconf_hash_lock for read in
 addrconf_verify(...)

addrconf_verify(...) only traverse address hash table when
addrconf_hash_lock is held for writing, and it may hold
addrconf_hash_lock for a long time. So I think it's better to acquire
addrconf_hash_lock for reading instead of writing

Signed-off-by: Yan Zheng <yanzheng@21cn.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Reading git-format-patch failed