From ac3d3f81516fcbf80416e84682fd4bdaf3080611 Mon Sep 17 00:00:00 2001
From: Amerigo Wang <amwang@redhat.com>
Date: Thu, 19 May 2011 23:06:32 +0000
Subject: [PATCH] rtnetlink: ignore NETDEV_RELEASE and NETDEV_JOIN event

These two events are not expected to be caught by userspace.

Signed-off-by: WANG Cong <amwang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/core/rtnetlink.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index d2ba2597c75a..d1644e317e70 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -1956,6 +1956,8 @@ static int rtnetlink_event(struct notifier_block *this, unsigned long event, voi
 	case NETDEV_GOING_DOWN:
 	case NETDEV_UNREGISTER:
 	case NETDEV_UNREGISTER_BATCH:
+	case NETDEV_RELEASE:
+	case NETDEV_JOIN:
 		break;
 	default:
 		rtmsg_ifinfo(RTM_NEWLINK, dev, 0);
-- 
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