From: Li RongQing <roy.qing.li@gmail.com>
Date: Sat, 11 Oct 2014 05:03:34 +0000 (+0800)
Subject: ipv6: remove aca_lock spinlock from struct ifacaddr6
X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=02ea80741a25435123e8a5ca40cac6a0bcf0c9f1;p=sagit-ice-cold%2Fkernel_xiaomi_msm8998.git

ipv6: remove aca_lock spinlock from struct ifacaddr6

no user uses this lock.

Signed-off-by: Li RongQing <roy.qing.li@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/include/net/if_inet6.h b/include/net/if_inet6.h
index 55a8d4056cc9..98e5f9578f86 100644
--- a/include/net/if_inet6.h
+++ b/include/net/if_inet6.h
@@ -146,7 +146,6 @@ struct ifacaddr6 {
 	struct ifacaddr6	*aca_next;
 	int			aca_users;
 	atomic_t		aca_refcnt;
-	spinlock_t		aca_lock;
 	unsigned long		aca_cstamp;
 	unsigned long		aca_tstamp;
 };
diff --git a/net/ipv6/anycast.c b/net/ipv6/anycast.c
index f5e319a8d4e2..baf2742d1ec4 100644
--- a/net/ipv6/anycast.c
+++ b/net/ipv6/anycast.c
@@ -235,7 +235,6 @@ static struct ifacaddr6 *aca_alloc(struct rt6_info *rt,
 	/* aca_tstamp should be updated upon changes */
 	aca->aca_cstamp = aca->aca_tstamp = jiffies;
 	atomic_set(&aca->aca_refcnt, 1);
-	spin_lock_init(&aca->aca_lock);
 
 	return aca;
 }