From ec28cf738d899e9d0652108e1986101771aacb2e Mon Sep 17 00:00:00 2001
From: Stephen Hemminger <shemminger@vyatta.com>
Date: Mon, 11 Feb 2008 21:12:49 -0800
Subject: [PATCH] fib_trie: handle empty tree

This fixes possible problems when trie_firstleaf() returns NULL
to trie_leafindex().

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Reading git-format-patch failed