From: Gui Jianfeng <guijianfeng@cn.fujitsu.com>
Date: Mon, 31 Dec 2007 07:27:10 +0000 (-0800)
Subject: [IPV6]: Remove useless code from fib6_del_route().
X-Git-Tag: firefly_0821_release~23655^2~901
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=a06b494b61de44617dd58612164bdde56fca7bfb;p=firefly-linux-kernel-4.4.55.git

[IPV6]: Remove useless code from fib6_del_route().

There are useless codes in fib6_del_route(). The following patch has
been tested, every thing looks fine, as usual.

Signed-off-by: Gui Jianfeng <guijianfeng@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c
index df05c6f2189c..7165a5e90f45 100644
--- a/net/ipv6/ip6_fib.c
+++ b/net/ipv6/ip6_fib.c
@@ -1126,9 +1126,6 @@ static void fib6_del_route(struct fib6_node *fn, struct rt6_info **rtp,
 
 	rt->u.dst.rt6_next = NULL;
 
-	if (fn->leaf == NULL && fn->fn_flags&RTN_TL_ROOT)
-		fn->leaf = &ip6_null_entry;
-
 	/* If it was last route, expunge its radix tree node */
 	if (fn->leaf == NULL) {
 		fn->fn_flags &= ~RTN_RTINFO;