redonkable/remarkable-linux
redonkable/remarkable-linux
1
0
Fork 0
Code Releases Activity

ipv6 addrlabel: permit deletion of labels assigned to removed dev

Browse source 
as addrlabels with an interface index are left alone when the
interface gets removed this results in addrlabels that can no
longer be removed.

Restrict validation of index to adding new addrlabels.

Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Florian Westphal 2010-05-07 11:31:33 +00:00 committed by David S. Miller
parent 6811d58fc1
commit 0771275b25
1 changed files with 4 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

8
net/ipv6/addrlabel.c
View file

@ -422,10 +422,6 @@ static int ip6addrlbl_newdel(struct sk_buff *skb, struct nlmsghdr *nlh,
ifal->ifal_prefixlen > 128)
return -EINVAL;
if (ifal->ifal_index &&
!__dev_get_by_index(net, ifal->ifal_index))
return -EINVAL;
if (!tb[IFAL_ADDRESS])
return -EINVAL;
@ -441,6 +437,10 @@ static int ip6addrlbl_newdel(struct sk_buff *skb, struct nlmsghdr *nlh,
switch(nlh->nlmsg_type) {
case RTM_NEWADDRLABEL:
if (ifal->ifal_index &&
!__dev_get_by_index(net, ifal->ifal_index))
return -EINVAL;
err = ip6addrlbl_add(net, pfx, ifal->ifal_prefixlen,
ifal->ifal_index, label,
nlh->nlmsg_flags & NLM_F_REPLACE);