From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B5291ECDFB0 for ; Fri, 13 Jul 2018 09:37:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 79CB4208E2 for ; Fri, 13 Jul 2018 09:37:10 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 79CB4208E2 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=huawei.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729627AbeGMJu7 (ORCPT ); Fri, 13 Jul 2018 05:50:59 -0400 Received: from szxga07-in.huawei.com ([45.249.212.35]:34450 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1727189AbeGMJu6 (ORCPT ); Fri, 13 Jul 2018 05:50:58 -0400 Received: from DGGEMS406-HUB.china.huawei.com (unknown [172.30.72.59]) by Forcepoint Email with ESMTP id 7E66B1ACC010B; Fri, 13 Jul 2018 17:37:04 +0800 (CST) Received: from [127.0.0.1] (10.177.31.96) by DGGEMS406-HUB.china.huawei.com (10.3.19.206) with Microsoft SMTP Server id 14.3.382.0; Fri, 13 Jul 2018 17:37:04 +0800 Subject: Re: [PATCH] hostap: hide unused procfs helpers To: Arend van Spriel , , References: <20180713070317.6724-1-yuehaibing@huawei.com> <5B485441.1080305@broadcom.com> CC: , , , , Randy Dunlap From: YueHaibing Message-ID: <6ebda7d5-364a-a242-527c-e57ce4888f9b@huawei.com> Date: Fri, 13 Jul 2018 17:37:03 +0800 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:45.0) Gecko/20100101 Thunderbird/45.2.0 MIME-Version: 1.0 In-Reply-To: <5B485441.1080305@broadcom.com> Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit X-Originating-IP: [10.177.31.96] X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2018/7/13 15:26, Arend van Spriel wrote: > + Randy > > On 7/13/2018 9:03 AM, YueHaibing wrote: >> When CONFIG_PROC_FS isn't set, gcc warning this: >> >> drivers/net/wireless/intersil/hostap/hostap_hw.c:2901:12: warning: ‘prism2_registers_proc_show’ defined but not used [-Wunused-function] >> static int prism2_registers_proc_show(struct seq_file *m, void *v) >> >> drivers/net/wireless/intersil/hostap/hostap_proc.c:16:12: warning: ‘prism2_debug_proc_show’ defined but not used [-Wunused-function] >> static int prism2_debug_proc_show(struct seq_file *m, void *v) >> ^ >> drivers/net/wireless/intersil/hostap/hostap_proc.c:49:12: warning: ‘prism2_stats_proc_show’ defined but not used [-Wunused-function] >> static int prism2_stats_proc_show(struct seq_file *m, void *v) >> ^ >> drivers/net/wireless/intersil/hostap/hostap_proc.c:177:12: warning: ‘prism2_crypt_proc_show’ defined but not used [-Wunused-function] >> static int prism2_crypt_proc_show(struct seq_file *m, void *v) >> ^ >> >> fix this by adding #ifdef around them. >> hfa384x_read_reg is only used by prism2_registers_proc_show,so move it >> into #ifdef. > > There was already a fix for this posted by Randy Dunlap taking a different approach, ie. use __maybe_unused classifier. To be honest I prefer the ifdef approach as it is more explicit and does not feel like a cheat. > > Actually some of the functions are between a flag already PRISM2_NO_PROCFS_DEBUG which is in a private header file hostap_config.h. Seems like this would be better placed in Kconfig and depend on CONFIG_PROCFS. Anyway, this driver is old cruft. Maybe some people are still running it, but it is probably not worth the effort so fine with either fix. > I dont check Randy's patch. ignore this pls. > Regards, > Arend > > . >