tree 67a1eba02e87c75e382648c0853c47ee8c2aec03
parent 5ec9e63c1c90074d2986f1102acbd1572eb827af
author YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> 1311507874 +0000
committer David S. Miller <davem@davemloft.net> 1311635760 -0700

ipv6: Do not leave router anycast address for /127 prefixes.

Original commit 2bda8a0c8af... "Disable router anycast
address for /127 prefixes" says:

|   No need for matching code in addrconf_leave_anycast() as it
|   will silently ignore any attempt to leave an unknown anycast
|   address.

After analysis, because 1) we may add two or more prefixes on the
same interface, or 2)user may have manually joined that anycast,
we may hit chances to have anycast address which as if we had
generated one by /127 prefix and we should not leave from subnet-
router anycast address unconditionally.

CC: Bjørn Mork <bjorn@mork.no>
CC: Brian Haley <brian.haley@hp.com>
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>