From patchwork Fri May 9 05:31:43 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Duan Jiong X-Patchwork-Id: 347297 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id BF09C140107 for ; Fri, 9 May 2014 15:34:07 +1000 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752051AbaEIFeD (ORCPT ); Fri, 9 May 2014 01:34:03 -0400 Received: from cn.fujitsu.com ([59.151.112.132]:17527 "EHLO heian.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1751553AbaEIFeB (ORCPT ); Fri, 9 May 2014 01:34:01 -0400 X-IronPort-AV: E=Sophos;i="4.97,1016,1389715200"; d="scan'208";a="30292193" Received: from unknown (HELO edo.cn.fujitsu.com) ([10.167.33.5]) by heian.cn.fujitsu.com with ESMTP; 09 May 2014 13:31:29 +0800 Received: from G08CNEXCHPEKD01.g08.fujitsu.local (localhost.localdomain [127.0.0.1]) by edo.cn.fujitsu.com (8.14.3/8.13.1) with ESMTP id s495XxEd002708; Fri, 9 May 2014 13:33:59 +0800 Received: from [10.167.225.86] (10.167.225.86) by G08CNEXCHPEKD01.g08.fujitsu.local (10.167.33.89) with Microsoft SMTP Server id 14.3.146.2; Fri, 9 May 2014 13:33:59 +0800 Message-ID: <536C683F.40408@cn.fujitsu.com> Date: Fri, 9 May 2014 13:31:43 +0800 From: Duan Jiong User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.3.0 MIME-Version: 1.0 To: David Miller CC: netdev Subject: [PATCH net-next] ipv6: remove parameter rt from fib6_prune_clones() X-Originating-IP: [10.167.225.86] Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org the parameter rt will be assigned to c.arg in function fib6_clean_tree(), but function fib6_prune_clone() doesn't use c.arg, so we can remove it safely. Signed-off-by: Duan Jiong --- net/ipv6/ip6_fib.c | 12 +++++------- 1 file changed, 5 insertions(+), 7 deletions(-) diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c index 34e0ded..6fefd44 100644 --- a/net/ipv6/ip6_fib.c +++ b/net/ipv6/ip6_fib.c @@ -71,8 +71,7 @@ static DEFINE_RWLOCK(fib6_walker_lock); #define FWS_INIT FWS_L #endif -static void fib6_prune_clones(struct net *net, struct fib6_node *fn, - struct rt6_info *rt); +static void fib6_prune_clones(struct net *net, struct fib6_node *fn); static struct rt6_info *fib6_find_prefix(struct net *net, struct fib6_node *fn); static struct fib6_node *fib6_repair_tree(struct net *net, struct fib6_node *fn); static int fib6_walk(struct fib6_walker_t *w); @@ -941,7 +940,7 @@ int fib6_add(struct fib6_node *root, struct rt6_info *rt, struct nl_info *info, if (!err) { fib6_start_gc(info->nl_net, rt); if (!(rt->rt6i_flags & RTF_CACHE)) - fib6_prune_clones(info->nl_net, pn, rt); + fib6_prune_clones(info->nl_net, pn); } out: @@ -1375,7 +1374,7 @@ int fib6_del(struct rt6_info *rt, struct nl_info *info) pn = pn->parent; } #endif - fib6_prune_clones(info->nl_net, pn, rt); + fib6_prune_clones(info->nl_net, pn); } /* @@ -1600,10 +1599,9 @@ static int fib6_prune_clone(struct rt6_info *rt, void *arg) return 0; } -static void fib6_prune_clones(struct net *net, struct fib6_node *fn, - struct rt6_info *rt) +static void fib6_prune_clones(struct net *net, struct fib6_node *fn) { - fib6_clean_tree(net, fn, fib6_prune_clone, 1, rt); + fib6_clean_tree(net, fn, fib6_prune_clone, 1, NULL); } /*