From patchwork Tue Jan 22 15:21:04 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg Kroah-Hartman X-Patchwork-Id: 10775779 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 1D4F61390 for ; Tue, 22 Jan 2019 15:27:00 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 0B4822AE42 for ; Tue, 22 Jan 2019 15:27:00 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id F27C22AEB1; Tue, 22 Jan 2019 15:26:59 +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 943D82AE42 for ; Tue, 22 Jan 2019 15:26:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729776AbfAVP05 (ORCPT ); Tue, 22 Jan 2019 10:26:57 -0500 Received: from mail.kernel.org ([198.145.29.99]:35918 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729035AbfAVPXK (ORCPT ); Tue, 22 Jan 2019 10:23:10 -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 6AAAD217D4; Tue, 22 Jan 2019 15:23:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1548170589; bh=YdMOG5hIPebuBTE0TS4QbtMeuiflJa1UNYVFoBVxNu8=; h=From:To:Cc:Subject:Date:From; b=TZVkhibBwwG/kEyrjpMV5y/sO8E2LkbFUYYdDy0RKB7KYNXOoIoXqtgwySZM0t+nE UOv10OBsZVwklEumxSS5JNmGgI2b/FZJaSnqKzGhXMhSMvlHgqAzgOV6yabv8dJemB EMS8dpgN0jDxuKbZUhGFnt4fXBIEKu4oU2JBbtWU= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , "Ed L. Cashin" , Jens Axboe , linux-block@vger.kernel.org Subject: [PATCH] block: aoe: no need to check return value of debugfs_create functions Date: Tue, 22 Jan 2019 16:21:04 +0100 Message-Id: <20190122152151.16139-5-gregkh@linuxfoundation.org> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Sender: linux-block-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-block@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: "Ed L. Cashin" Cc: Jens Axboe Cc: linux-block@vger.kernel.org Signed-off-by: Greg Kroah-Hartman --- drivers/block/aoe/aoeblk.c | 13 +------------ 1 file changed, 1 insertion(+), 12 deletions(-) diff --git a/drivers/block/aoe/aoeblk.c b/drivers/block/aoe/aoeblk.c index e2c6aae2d636..b602646bfa04 100644 --- a/drivers/block/aoe/aoeblk.c +++ b/drivers/block/aoe/aoeblk.c @@ -207,14 +207,7 @@ aoedisk_add_debugfs(struct aoedev *d) else p++; BUG_ON(*p == '\0'); - entry = debugfs_create_file(p, 0444, aoe_debugfs_dir, d, - &aoe_debugfs_fops); - if (IS_ERR_OR_NULL(entry)) { - pr_info("aoe: cannot create debugfs file for %s\n", - d->gd->disk_name); - return; - } - BUG_ON(d->debugfs); + debugfs_create_file(p, 0444, aoe_debugfs_dir, d, &aoe_debugfs_fops); d->debugfs = entry; } void @@ -472,10 +465,6 @@ aoeblk_init(void) if (buf_pool_cache == NULL) return -ENOMEM; aoe_debugfs_dir = debugfs_create_dir("aoe", NULL); - if (IS_ERR_OR_NULL(aoe_debugfs_dir)) { - pr_info("aoe: cannot create debugfs directory\n"); - aoe_debugfs_dir = NULL; - } return 0; }