From 7bf2357524408b97fec58344caf7397f8140c3fd Mon Sep 17 00:00:00 2001
From: Theodore Ts'o
Date: Wed, 4 Jul 2012 21:23:25 -0400
Subject: net: feed /dev/random with the MAC address when registering a device

Cc: David Miller <davem@davemloft.net>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Cc: stable@vger.kernel.org
---
 net/core/rtnetlink.c | 1 +
 1 file changed, 1 insertion(+)

(limited to 'net/core/rtnetlink.c')

diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index 21318d15bbc3..f058e599d858 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -1378,6 +1378,7 @@ static int do_setlink(struct net_device *dev, struct ifinfomsg *ifm,
 			goto errout;
 		send_addr_notify = 1;
 		modified = 1;
+		add_device_randomness(dev->dev_addr, dev->addr_len);
 	}
 
 	if (tb[IFLA_MTU]) {
-- 
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