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ipv6: don't disable interface if last ipv6 address is removed

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The reason behind this change is that as soon as we delete
the last ipv6 address of an interface we also lose the
/proc/sys/net/ipv6/conf/<interface> directory. This seems to be a
usability problem for me.

I don't see any reason why we should shutdown ipv6 on that interface in
such cases.

CRs-fixed: 691450
Change-Id: Ic926a4ee8b54f4687a58e067d11e7dd4ea41f524
Cc: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Git-commit: 876fd05ddbae03166e7037fca957b55bb3be6594
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
Signed-off-by: Joonwoo Park <joonwoop@codeaurora.org>
This commit is contained in:
Joonwoo Park 2013-06-24 00:22:20 +02:00
parent 757651714b
commit 897fb09fd0
1 changed files with 0 additions and 6 deletions
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6
net/ipv6/addrconf.c
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@ -2552,12 +2552,6 @@ static int inet6_addr_del(struct net *net, int ifindex, const struct in6_addr *p
read_unlock_bh(&idev->lock);
ipv6_del_addr(ifp);
/* If the last address is deleted administratively,
disable IPv6 on this interface.
*/
if (list_empty(&idev->addr_list))
addrconf_ifdown(idev->dev, 1);
return 0;
}
}