From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755029Ab2LGAKe (ORCPT ); Thu, 6 Dec 2012 19:10:34 -0500 Received: from mail-qc0-f174.google.com ([209.85.216.174]:57563 "EHLO mail-qc0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754489Ab2LGAKc (ORCPT ); Thu, 6 Dec 2012 19:10:32 -0500 From: Cong Ding To: "David S. Miller" , "Eric W. Biederman" , Eric Dumazet , Pavel Emelyanov , netdev@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Cong Ding Subject: [PATCH] net: core: fix unused variable sparse warning Date: Fri, 7 Dec 2012 00:06:44 +0000 Message-Id: <1354838913-20084-1-git-send-email-dinggnu@gmail.com> X-Mailer: git-send-email 1.7.4.5 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org the variables zero and unres_qlen_max are only used when CONFIG_SYSCTL is defined, otherwise it causes the following sparse warning when we turn on CONFIG_SYSCTL. Signed-off-by: Cong Ding --- net/core/neighbour.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) diff --git a/net/core/neighbour.c b/net/core/neighbour.c index 36fc692..4a15278 100644 --- a/net/core/neighbour.c +++ b/net/core/neighbour.c @@ -62,8 +62,10 @@ static void __neigh_notify(struct neighbour *n, int type, int flags); static void neigh_update_notify(struct neighbour *neigh); static int pneigh_ifdown(struct neigh_table *tbl, struct net_device *dev); +#ifdef CONFIG_SYSCTL static int zero; static int unres_qlen_max = INT_MAX / SKB_TRUESIZE(ETH_FRAME_LEN); +#endif static struct neigh_table *neigh_tables; #ifdef CONFIG_PROC_FS -- 1.7.4.5