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[RTNL]: Improve error codes for unsupported operations

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The most common trigger of these errors is that the
config option hasn't been enable wich would make the
functionality available. Therefore returning EOPNOTSUPP
gives a better idea on what is going wrong.

Signed-off-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Thomas Graf 2007-04-05 14:35:52 -07:00 committed by David S. Miller
parent 716ea3a7aa
commit 038890fed8
1 changed files with 3 additions and 3 deletions
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6
net/core/rtnetlink.c
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@ -862,7 +862,7 @@ static int rtnetlink_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
type = nlh->nlmsg_type;
if (type > RTM_MAX)
return -EINVAL;
return -EOPNOTSUPP;
type -= RTM_BASE;
@ -885,7 +885,7 @@ static int rtnetlink_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
dumpit = rtnl_get_dumpit(family, type);
if (dumpit == NULL)
return -EINVAL;
return -EOPNOTSUPP;
return netlink_dump_start(rtnl, skb, nlh, dumpit, NULL);
}
@ -913,7 +913,7 @@ static int rtnetlink_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
doit = rtnl_get_doit(family, type);
if (doit == NULL)
return -EINVAL;
return -EOPNOTSUPP;
return doit(skb, nlh, (void *)&rta_buf[0]);
}