From: Julian Anastasov <ja@ssi.bg>
Date: Tue, 29 Jan 2008 05:14:10 +0000 (-0800)
Subject: [IPV4] fib: fix route replacement, fib_info is shared
X-Git-Tag: v2.6.25-rc1~1089^2~124
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c18865f39276435abb9286f9a816cb5b66c99a00;p=pandora-kernel.git

[IPV4] fib: fix route replacement, fib_info is shared

fib_info can be shared by many route prefixes but we don't want
duplicate alternative routes for a prefix+tos+priority. Last change
was not correct to check fib_treeref because it accounts usage from
other prefixes. Additionally, avoid replacement without error if new
route is same, as Joonwoo Park suggests.

Signed-off-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: David S. Miller <davem@davemloft.net>
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