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[RTNETLINK]: rtnl_link: allow specifying initial device address

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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>
This commit is contained in:
Patrick McHardy
2007-07-11 19:42:31 -07:00
committed by David S. Miller
parent 2d85cba2b2
commit 0e06877c6f
5 changed files with 44 additions and 4 deletions
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9
net/core/rtnetlink.c
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@@ -1032,8 +1032,7 @@ replay:
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 @@ replay:
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])