From: Joonwoo Park <joonwpark81@gmail.com>
Date: Fri, 18 Jan 2008 11:45:18 +0000 (-0800)
Subject: [IPV4] fib_trie: fix duplicated route issue
X-Git-Tag: v2.6.24~26^2~13
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6725033fa27c8f49e1221d2badbaaaf1ef459519;p=pandora-kernel.git

[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>
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