commit 0e06877c6fdbc67b1132be895f995acd1ff30135
author Patrick McHardy <kaber@trash.net> Wed Jul 11 19:42:31 2007 -0700
committer David S. Miller <davem@sunset.davemloft.net> Wed Jul 11 19:45:36 2007 -0700
tree ddaba8cddc8a95d23ee18f812c6aba67dd9b1c6f
parent 2d85cba2b272a5201a60966a65a4f8c0bcc0bb71

[RTNETLINK]: rtnl_link: allow specifying initial device address

Drivers need to validate the initial addresses in their netlink attribute
validation function or manually reject them if they can't support this.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/core/rtnetlink.c

diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index 7b6b163..864cbdf 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -1032,8 +1032,7 @@
 
 		if (ifm->ifi_index || ifm->ifi_flags || ifm->ifi_change)
 			return -EOPNOTSUPP;
-		if (tb[IFLA_ADDRESS] || tb[IFLA_BROADCAST] || tb[IFLA_MAP] ||
-		    tb[IFLA_MASTER] || tb[IFLA_PROTINFO])
+		if (tb[IFLA_MAP] || tb[IFLA_MASTER] || tb[IFLA_PROTINFO])
 			return -EOPNOTSUPP;
 
 		if (!ops) {
@@ -1065,6 +1064,12 @@
 
 		if (tb[IFLA_MTU])
 			dev->mtu = nla_get_u32(tb[IFLA_MTU]);
+		if (tb[IFLA_ADDRESS])
+			memcpy(dev->dev_addr, nla_data(tb[IFLA_ADDRESS]),
+			       nla_len(tb[IFLA_ADDRESS]));
+		if (tb[IFLA_BROADCAST])
+			memcpy(dev->broadcast, nla_data(tb[IFLA_BROADCAST]),
+			       nla_len(tb[IFLA_BROADCAST]));
 		if (tb[IFLA_TXQLEN])
 			dev->tx_queue_len = nla_get_u32(tb[IFLA_TXQLEN]);
 		if (tb[IFLA_WEIGHT])