[IPV4] fib_hash: fix duplicated route issue
authorJoonwoo Park <joonwpark81@gmail.com>
Fri, 18 Jan 2008 11:44:48 +0000 (03:44 -0800)
committerDavid S. Miller <davem@davemloft.net>
Mon, 21 Jan 2008 04:31:37 +0000 (20:31 -0800)
commitbd566e7525b5986864e8d6eb5b67640abcd284a9
treeef53396f419171eb1db49803d84c0c8b50af0ca8
parentb3652b2dc5ec6ccd946ae9136b30c6babb81305a
[IPV4] fib_hash: 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_hash.c