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net: ipv4: notify when address lifetime changes

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if userspace changes lifetime of address, send netlink notification and
call notifier.

Signed-off-by: Jiri Pirko <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
This commit is contained in:
Jiri Pirko 2013-04-04 08:33:00 +00:00 • committed by David S. Miller
commit 34e2ed34a0
1 changed files with 4 additions and 2 deletions
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6
net/ipv4/devinet.c
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@ -802,8 +802,10 @@ static int inet_rtm_newaddr(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg
if (nlh->nlmsg_flags & NLM_F_EXCL ||
!(nlh->nlmsg_flags & NLM_F_REPLACE))
return -EEXIST;
set_ifa_lifetime(ifa_existing, valid_lft, prefered_lft);
ifa = ifa_existing;
set_ifa_lifetime(ifa, valid_lft, prefered_lft);
rtmsg_ifa(RTM_NEWADDR, ifa, nlh, NETLINK_CB(skb).portid);
blocking_notifier_call_chain(&inetaddr_chain, NETDEV_UP, ifa);
}
return 0;
}