From patchwork Tue Jan 22 14:41:14 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 10775589 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 6AF5C13B5 for ; Tue, 22 Jan 2019 14:41:56 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 5B4B42AE9B for ; Tue, 22 Jan 2019 14:41:56 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 440AA2AE7B; Tue, 22 Jan 2019 14:41:56 +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 37C9B2AD7D for ; Tue, 22 Jan 2019 14:41:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728865AbfAVOll (ORCPT ); Tue, 22 Jan 2019 09:41:41 -0500 Received: from mail.kernel.org ([198.145.29.99]:53520 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728899AbfAVOlg (ORCPT ); Tue, 22 Jan 2019 09:41:36 -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 45B4F217D6; Tue, 22 Jan 2019 14:41:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1548168095; bh=JBjLL9TSk/DcRzx3WlQjotQ/M37jVyqq/YrBoWKS0Hw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Oc9LH+bwETYqPMMPYduzLxssl/TIEgtp1+BPNOdaigJ/2Qk+2eUcIg8Im/wWtq0e2 r3xFsDBRre/lXreJUM/3KLk9Za1Xd03RyhtglET+bVURiYw668ijKBA3s+WofCQwRg qLnFk7n22/489T8Tw4C6D0bz0arDhf5qdO9eJAkY= From: Greg Kroah-Hartman To: Catalin Marinas , Kevin Hilman , Russell King , Will Deacon Cc: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Greg Kroah-Hartman , Tony Lindgren , linux-omap@vger.kernel.org Subject: [PATCH 4/4] arm: omap2: no need to check return value of debugfs_create functions Date: Tue, 22 Jan 2019 15:41:14 +0100 Message-Id: <20190122144114.9816-5-gregkh@linuxfoundation.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190122144114.9816-1-gregkh@linuxfoundation.org> References: <20190122144114.9816-1-gregkh@linuxfoundation.org> MIME-Version: 1.0 Sender: linux-omap-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-omap@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: Kevin Hilman Cc: Tony Lindgren Cc: Russell King Cc: linux-omap@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org Signed-off-by: Greg Kroah-Hartman Acked-by: Tony Lindgren --- arch/arm/mach-omap2/pm-debug.c | 15 ++++++--------- 1 file changed, 6 insertions(+), 9 deletions(-) diff --git a/arch/arm/mach-omap2/pm-debug.c b/arch/arm/mach-omap2/pm-debug.c index 5a8839203958..1f9334a3d611 100644 --- a/arch/arm/mach-omap2/pm-debug.c +++ b/arch/arm/mach-omap2/pm-debug.c @@ -193,9 +193,8 @@ static int __init pwrdms_setup(struct powerdomain *pwrdm, void *dir) return 0; d = debugfs_create_dir(pwrdm->name, (struct dentry *)dir); - if (d) - (void) debugfs_create_file("suspend", S_IRUGO|S_IWUSR, d, - (void *)pwrdm, &pwrdm_suspend_fops); + debugfs_create_file("suspend", S_IRUGO|S_IWUSR, d, pwrdm, + &pwrdm_suspend_fops); return 0; } @@ -233,16 +232,14 @@ static int __init pm_dbg_init(void) return 0; d = debugfs_create_dir("pm_debug", NULL); - if (!d) - return -EINVAL; - (void) debugfs_create_file("count", 0444, d, NULL, &pm_dbg_counters_fops); - (void) debugfs_create_file("time", 0444, d, NULL, &pm_dbg_timers_fops); + debugfs_create_file("count", 0444, d, NULL, &pm_dbg_counters_fops); + debugfs_create_file("time", 0444, d, NULL, &pm_dbg_timers_fops); pwrdm_for_each(pwrdms_setup, (void *)d); - (void) debugfs_create_file("enable_off_mode", S_IRUGO | S_IWUSR, d, - &enable_off_mode, &pm_dbg_option_fops); + debugfs_create_file("enable_off_mode", S_IRUGO | S_IWUSR, d, + &enable_off_mode, &pm_dbg_option_fops); pm_dbg_init_done = 1; return 0;