From 887b28d2a7a9c7fc6faaab5afe4367fdd5f31676 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Peter=20Pan=28=E6=BD=98=E5=8D=AB=E5=B9=B3=29?=
 <panweiping3@gmail.com>
Date: Thu, 1 Dec 2011 15:47:06 +0000
Subject: [PATCH] --- yaml --- r: 276270 b: refs/heads/master c:
 d01ff0a049f749e0bf10a35bb23edd012718c8c2 h: refs/heads/master v: v3

---
 [refs]                   | 2 +-
 trunk/net/ipv4/devinet.c | 5 +++++
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/[refs] b/[refs]
index 1740bb5c05b0..382a7525d802 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 1ee5fa1e9970a16036e37c7b9d5ce81c778252fc
+refs/heads/master: d01ff0a049f749e0bf10a35bb23edd012718c8c2
diff --git a/trunk/net/ipv4/devinet.c b/trunk/net/ipv4/devinet.c
index c6b5092f29a1..65f01dc47565 100644
--- a/trunk/net/ipv4/devinet.c
+++ b/trunk/net/ipv4/devinet.c
@@ -1490,7 +1490,9 @@ static int devinet_conf_proc(ctl_table *ctl, int write,
 			     void __user *buffer,
 			     size_t *lenp, loff_t *ppos)
 {
+	int old_value = *(int *)ctl->data;
 	int ret = proc_dointvec(ctl, write, buffer, lenp, ppos);
+	int new_value = *(int *)ctl->data;
 
 	if (write) {
 		struct ipv4_devconf *cnf = ctl->extra1;
@@ -1501,6 +1503,9 @@ static int devinet_conf_proc(ctl_table *ctl, int write,
 
 		if (cnf == net->ipv4.devconf_dflt)
 			devinet_copy_dflt_conf(net, i);
+		if (i == IPV4_DEVCONF_ACCEPT_LOCAL - 1)
+			if ((new_value == 0) && (old_value != 0))
+				rt_cache_flush(net, 0);
 	}
 
 	return ret;