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| author | Theodore Ts'o <tytso@mit.edu> | 2012-07-04 21:23:25 -0400 |
|---|---|---|
| committer | Ben Hutchings <ben@decadent.org.uk> | 2012-08-10 00:24:44 +0100 |
| commit | 322f326e39b1c06a24e2e927db0a46e6e054cd2b (patch) | |
| tree | 090ff61a4db3b61250ef0c76a425f6c27c4183c7 /net/core/dev.c | |
| parent | 4e28e08b4dbd6c38c9c9e2d1f171949520c708f7 (diff) | |
| download | kernel_samsung_smdk4412-322f326e39b1c06a24e2e927db0a46e6e054cd2b.zip kernel_samsung_smdk4412-322f326e39b1c06a24e2e927db0a46e6e054cd2b.tar.gz kernel_samsung_smdk4412-322f326e39b1c06a24e2e927db0a46e6e054cd2b.tar.bz2 | |
net: feed /dev/random with the MAC address when registering a device
commit 7bf2357524408b97fec58344caf7397f8140c3fd upstream.
Cc: David Miller <davem@davemloft.net>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Diffstat (limited to 'net/core/dev.c')
| -rw-r--r-- | net/core/dev.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/net/core/dev.c b/net/core/dev.c index 5738654..4b18703 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -1177,6 +1177,7 @@ static int __dev_open(struct net_device *dev) net_dmaengine_get(); dev_set_rx_mode(dev); dev_activate(dev); + add_device_randomness(dev->dev_addr, dev->addr_len); } return ret; @@ -4841,6 +4842,7 @@ int dev_set_mac_address(struct net_device *dev, struct sockaddr *sa) err = ops->ndo_set_mac_address(dev, sa); if (!err) call_netdevice_notifiers(NETDEV_CHANGEADDR, dev); + add_device_randomness(dev->dev_addr, dev->addr_len); return err; } EXPORT_SYMBOL(dev_set_mac_address); @@ -5621,6 +5623,7 @@ int register_netdevice(struct net_device *dev) dev_init_scheduler(dev); dev_hold(dev); list_netdevice(dev); + add_device_randomness(dev->dev_addr, dev->addr_len); /* Notify protocols, that a new device appeared. */ ret = call_netdevice_notifiers(NETDEV_REGISTER, dev); |