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-rw-r--r--main/linux-pae/0004-arp-flush-arp-cache-on-device-change.patch29
1 files changed, 29 insertions, 0 deletions
diff --git a/main/linux-pae/0004-arp-flush-arp-cache-on-device-change.patch b/main/linux-pae/0004-arp-flush-arp-cache-on-device-change.patch
new file mode 100644
index 00000000..85161ea3
--- /dev/null
+++ b/main/linux-pae/0004-arp-flush-arp-cache-on-device-change.patch
@@ -0,0 +1,29 @@
+From 8a0e3ea4924059a7268446177d6869e3399adbb2 Mon Sep 17 00:00:00 2001
+From: Timo Teras <timo.teras@iki.fi>
+Date: Mon, 12 Apr 2010 13:46:45 +0000
+Subject: [PATCH 04/18] arp: flush arp cache on device change
+
+If IFF_NOARP is changed, we must flush the arp cache.
+
+Signed-off-by: Timo Teras <timo.teras@iki.fi>
+---
+ net/ipv4/arp.c | 3 +++
+ 1 files changed, 3 insertions(+), 0 deletions(-)
+
+diff --git a/net/ipv4/arp.c b/net/ipv4/arp.c
+index 4e80f33..580bfc3 100644
+--- a/net/ipv4/arp.c
++++ b/net/ipv4/arp.c
+@@ -1200,6 +1200,9 @@ static int arp_netdev_event(struct notifier_block *this, unsigned long event, vo
+ neigh_changeaddr(&arp_tbl, dev);
+ rt_cache_flush(dev_net(dev), 0);
+ break;
++ case NETDEV_CHANGE:
++ neigh_changeaddr(&arp_tbl, dev);
++ break;
+ default:
+ break;
+ }
+--
+1.7.0.2
+