From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754737Ab2HMWEj (ORCPT ); Mon, 13 Aug 2012 18:04:39 -0400 Received: from mail-ob0-f174.google.com ([209.85.214.174]:33116 "EHLO mail-ob0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754655Ab2HMWEe (ORCPT ); Mon, 13 Aug 2012 18:04:34 -0400 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Greg KH , torvalds@linux-foundation.org, akpm@linux-foundation.org, alan@lxorguk.ukuu.org.uk, "Theodore Tso" , David Miller Subject: [ 24/44] net: feed /dev/random with the MAC address when registering a device Date: Mon, 13 Aug 2012 15:02:31 -0700 Message-Id: <20120813220144.254312872@linuxfoundation.org> X-Mailer: git-send-email 1.7.10.1.362.g242cab3 In-Reply-To: <20120813220142.113186818@linuxfoundation.org> References: <20120813220142.113186818@linuxfoundation.org> User-Agent: quilt/0.60-20.5 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Greg KH 3.0-stable review patch. If anyone has any objections, please let me know. ------------------ From: Theodore Ts'o commit 7bf2357524408b97fec58344caf7397f8140c3fd upstream. Signed-off-by: "Theodore Ts'o" Cc: David Miller Cc: Linus Torvalds Signed-off-by: Greg Kroah-Hartman --- net/core/dev.c | 3 +++ net/core/rtnetlink.c | 1 + 2 files changed, 4 insertions(+) --- a/net/core/dev.c +++ b/net/core/dev.c @@ -1163,6 +1163,7 @@ static int __dev_open(struct net_device net_dmaengine_get(); dev_set_rx_mode(dev); dev_activate(dev); + add_device_randomness(dev->dev_addr, dev->addr_len); } return ret; @@ -4730,6 +4731,7 @@ int dev_set_mac_address(struct net_devic 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); @@ -5507,6 +5509,7 @@ int register_netdevice(struct net_device 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); --- a/net/core/rtnetlink.c +++ b/net/core/rtnetlink.c @@ -1304,6 +1304,7 @@ static int do_setlink(struct net_device goto errout; send_addr_notify = 1; modified = 1; + add_device_randomness(dev->dev_addr, dev->addr_len); } if (tb[IFLA_MTU]) {