[IPV4] fib_trie: fix duplicated route issue

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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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Joonwoo Park 2008-01-18 03:45:18 -08:00 • committed by David S. Miller

parent bd566e7525

commit 6725033fa2

1 changed files with 3 additions and 0 deletions

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net/ipv4/fib_trie.c

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