From fea86ad8123df0d49188cbc1dd2f48da6ae49d65 Mon Sep 17 00:00:00 2001
From: Stephen Hemminger <stephen.hemminger@vyatta.com>
Date: Sat, 12 Jan 2008 20:57:07 -0800
Subject: [PATCH] [IPV4] fib_trie: fib_insert_node cleanup

The only error from fib_insert_node is if memory allocation fails, so
instead of passing by reference, just use the convention of returning
NULL.

Signed-off-by: Stephen Hemminger <stephen.hemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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