From patchwork Tue Jan 22 15:21:35 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 10775741 X-Patchwork-Delegate: kvalo@adurom.com Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 5FF646C2 for ; Tue, 22 Jan 2019 15:24:12 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 505962821F for ; Tue, 22 Jan 2019 15:24:12 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 447B428505; Tue, 22 Jan 2019 15:24:12 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 18EAB2821F for ; Tue, 22 Jan 2019 15:24:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730052AbfAVPYJ (ORCPT ); Tue, 22 Jan 2019 10:24:09 -0500 Received: from mail.kernel.org ([198.145.29.99]:37792 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729981AbfAVPYJ (ORCPT ); Tue, 22 Jan 2019 10:24:09 -0500 Received: from localhost (5356596B.cm-6-7b.dynamic.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 04536217D4; Tue, 22 Jan 2019 15:24:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1548170648; bh=VVGely5ydeVrDBODAHMoYQnlw4BUra8XL8cikzWU7Dg=; h=From:To:Cc:Subject:Date:From; b=tjV4SpXbcorZt/URjF9QSvR7G2a5vDFP8LrntS9Km3DqSDBIpiCmev5NB2LrPawA2 I1LZlGkJk0ftu3wW2mAJtp/Gf8uM5kONfbFnjQnBFH5fDkCHYyKmC6E+a/xGyAQeSu P8QxzBGV6Wd9fcdV/lB9/m5W11orqIACOIsOyQB0= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , Igor Mitsyanko , Avinash Patil , Sergey Matyukevich , Kalle Valo , linux-wireless@vger.kernel.org Subject: [PATCH] quantenna: no need to check return value of debugfs_create functions Date: Tue, 22 Jan 2019 16:21:35 +0100 Message-Id: <20190122152151.16139-36-gregkh@linuxfoundation.org> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP When calling debugfs functions, there is no need to ever check the return value. The function can work or not, but the code logic should never do something different based on this. Cc: Igor Mitsyanko Cc: Avinash Patil Cc: Sergey Matyukevich Cc: Kalle Valo Cc: linux-wireless@vger.kernel.org Signed-off-by: Greg Kroah-Hartman Reviewed-by: Sergey Matyukevich --- drivers/net/wireless/quantenna/qtnfmac/debug.c | 14 +------------- 1 file changed, 1 insertion(+), 13 deletions(-) diff --git a/drivers/net/wireless/quantenna/qtnfmac/debug.c b/drivers/net/wireless/quantenna/qtnfmac/debug.c index 9f826b9ef5d9..10156780ea37 100644 --- a/drivers/net/wireless/quantenna/qtnfmac/debug.c +++ b/drivers/net/wireless/quantenna/qtnfmac/debug.c @@ -16,17 +16,9 @@ #include "debug.h" -#undef pr_fmt -#define pr_fmt(fmt) "qtnfmac dbg: %s: " fmt, __func__ - void qtnf_debugfs_init(struct qtnf_bus *bus, const char *name) { bus->dbg_dir = debugfs_create_dir(name, NULL); - - if (IS_ERR_OR_NULL(bus->dbg_dir)) { - pr_warn("failed to create debugfs root dir\n"); - bus->dbg_dir = NULL; - } } void qtnf_debugfs_remove(struct qtnf_bus *bus) @@ -38,9 +30,5 @@ void qtnf_debugfs_remove(struct qtnf_bus *bus) void qtnf_debugfs_add_entry(struct qtnf_bus *bus, const char *name, int (*fn)(struct seq_file *seq, void *data)) { - struct dentry *entry; - - entry = debugfs_create_devm_seqfile(bus->dev, name, bus->dbg_dir, fn); - if (IS_ERR_OR_NULL(entry)) - pr_warn("failed to add entry (%s)\n", name); + debugfs_create_devm_seqfile(bus->dev, name, bus->dbg_dir, fn); }