netdev - [PATCH][net-next] ipv4: remove ipv4_ifdown

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Message-Id: <1395630190-12586-1-git-send-email-roy.qing.li@gmail.com>
Date:	Mon, 24 Mar 2014 11:03:10 +0800
From:	roy.qing.li@...il.com
To:	netdev@...r.kernel.org
Subject: [PATCH][net-next] ipv4: remove ipv4_ifdown_dst from route.c

From: Li RongQing <roy.qing.li@...il.com> 

ipv4_ifdown_dst does nothing after IPv4 route caches removal,
so we can remove it.

Signed-off-by: Li RongQing <roy.qing.li@...il.com>
---
 net/ipv4/route.c |    6 ------
 1 file changed, 6 deletions(-)

diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 11e4384..57527ee 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -139,11 +139,6 @@ static void		 ip_do_redirect(struct dst_entry *dst, struct sock *sk,
 					struct sk_buff *skb);
 static void		ipv4_dst_destroy(struct dst_entry *dst);
 
-static void ipv4_dst_ifdown(struct dst_entry *dst, struct net_device *dev,
-			    int how)
-{
-}
-
 static u32 *ipv4_cow_metrics(struct dst_entry *dst, unsigned long old)
 {
 	WARN_ON(1);
@@ -162,7 +157,6 @@ static struct dst_ops ipv4_dst_ops = {
 	.mtu =			ipv4_mtu,
 	.cow_metrics =		ipv4_cow_metrics,
 	.destroy =		ipv4_dst_destroy,
-	.ifdown =		ipv4_dst_ifdown,
 	.negative_advice =	ipv4_negative_advice,
 	.link_failure =		ipv4_link_failure,
 	.update_pmtu =		ip_rt_update_pmtu,
-- 
1.7.10.4

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