[PATCH 05/10] net: feed /dev/random with the MAC address when registering a device

[Theodore Ts'o]

Cc: David Miller <davem@xxxxxxxxxxxxx>
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: "Theodore Ts'o" <tytso@xxxxxxx>
Cc: stable@xxxxxxxxxx
---
 net/core/dev.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/net/core/dev.c b/net/core/dev.c
index 6df2140..46f2f0c 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -5542,6 +5542,9 @@ int register_netdevice(struct net_device *dev)
 	dev_hold(dev);
 	list_netdevice(dev);
 
+	if (dev->dev_addr)
+		add_device_randomness(dev->dev_addr, dev->addr_len);
+
 	/* Notify protocols, that a new device appeared. */
 	ret = call_netdevice_notifiers(NETDEV_REGISTER, dev);
 	ret = notifier_to_errno(ret);
-- 
1.7.11.1.108.gb129051

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