tree 6d011efcb23f7349b5a19c213f52cc17fe1c3def
parent bd566e7525b5986864e8d6eb5b67640abcd284a9
author Joonwoo Park <joonwpark81@gmail.com> 1200656718 -0800
committer David S. Miller <davem@davemloft.net> 1200889898 -0800

[IPV4] fib_trie: fix duplicated route issue

http://bugzilla.kernel.org/show_bug.cgi?id=9493

The fib allows making identical routes with 'ip route replace'.
This patch makes the fib return -EEXIST if replacement would cause duplication.

Signed-off-by: Joonwoo Park <joonwpark81@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>