[IPV4] fib_trie: fix duplicated route issue
authorJoonwoo Park <joonwpark81@gmail.com>
Fri, 18 Jan 2008 11:45:18 +0000 (03:45 -0800)
committerDavid S. Miller <davem@davemloft.net>
Mon, 21 Jan 2008 04:31:38 +0000 (20:31 -0800)
commit6725033fa27c8f49e1221d2badbaaaf1ef459519
tree6d011efcb23f7349b5a19c213f52cc17fe1c3def
parentbd566e7525b5986864e8d6eb5b67640abcd284a9
[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>
net/ipv4/fib_trie.c