net: Allow DCBnl to use other namespaces besides init_net

Allow DCB and net namespace to work together. This is useful if you
have containers that are bound to 'phys' interfaces that want to
also manage their DCB attributes.

The net namespace is taken from sock_net(skb->sk) of the netlink skb.

CC: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: John Fastabend <john.r.fastabend@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
John Fastabend 2012-12-09 20:48:13 +00:00 committed by David S. Miller
parent 7b9e75802f
commit 7c77ab24e3
1 changed files with 2 additions and 5 deletions

View File

@ -1665,9 +1665,6 @@ static int dcb_doit(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg)
if ((nlh->nlmsg_type == RTM_SETDCB) && !capable(CAP_NET_ADMIN))
return -EPERM;
if (!net_eq(net, &init_net))
return -EINVAL;
ret = nlmsg_parse(nlh, sizeof(*dcb), tb, DCB_ATTR_MAX,
dcbnl_rtnl_policy);
if (ret < 0)
@ -1684,7 +1681,7 @@ static int dcb_doit(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg)
if (!tb[DCB_ATTR_IFNAME])
return -EINVAL;
netdev = dev_get_by_name(&init_net, nla_data(tb[DCB_ATTR_IFNAME]));
netdev = dev_get_by_name(net, nla_data(tb[DCB_ATTR_IFNAME]));
if (!netdev)
return -ENODEV;
@ -1708,7 +1705,7 @@ static int dcb_doit(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg)
nlmsg_end(reply_skb, reply_nlh);
ret = rtnl_unicast(reply_skb, &init_net, portid);
ret = rtnl_unicast(reply_skb, net, portid);
out:
dev_put(netdev);
return ret;