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=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 C30EEC282C3 for ; Tue, 22 Jan 2019 15:26:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 91A9C217D6 for ; Tue, 22 Jan 2019 15:26:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1548170761; bh=UgFdE/28zUYcD+pvmTGjHV58/a6MidScMZkcvO2bYic=; h=From:To:Cc:Subject:Date:List-ID:From; b=172MYcfGNa7MvrOR4qHKWxtp2yydtIiMdfhVcq+Jts6XQEglc9kE04G6VA1Fc3mXZ ITEX0Cn+O1jz0pni8jDge62QJDRCogjjQMx086fuNW/3uG1+6xREQpkgZd6duVE19S lSbC0+7CLAJAp6fARaIKpeVZ/KHNQGuQpBR06wDg= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729743AbfAVPZ7 (ORCPT ); Tue, 22 Jan 2019 10:25:59 -0500 Received: from mail.kernel.org ([198.145.29.99]:36240 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728918AbfAVPXW (ORCPT ); Tue, 22 Jan 2019 10:23:22 -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 03629217D4; Tue, 22 Jan 2019 15:23:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1548170601; bh=UgFdE/28zUYcD+pvmTGjHV58/a6MidScMZkcvO2bYic=; h=From:To:Cc:Subject:Date:From; b=UAP1p59slyM3EvNUqs1zTQ0f6zFHKYC3c5EhxMzKKgXjLzYbq5TNb1PDD0nZB5glv 5SBD5pbzmaI+Rszx9vfpoTrUS+/7aNP9UBHEIvFAPqxvM/DIOj9mwEY6LGzm8NqFfw ACPw78H0DmV3wrNel1QrnnlNuHcMcFoh2dwGEvlU= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , Seth Jennings , Dan Streetman , linux-mm@kvack.org Subject: [PATCH] zswap: ignore debugfs_create_dir() return value Date: Tue, 22 Jan 2019 16:21:08 +0100 Message-Id: <20190122152151.16139-9-gregkh@linuxfoundation.org> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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: Seth Jennings Cc: Dan Streetman Cc: linux-mm@kvack.org Signed-off-by: Greg Kroah-Hartman --- mm/zswap.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/mm/zswap.c b/mm/zswap.c index a4e4d36ec085..f583d08f6e24 100644 --- a/mm/zswap.c +++ b/mm/zswap.c @@ -1262,8 +1262,6 @@ static int __init zswap_debugfs_init(void) return -ENODEV; zswap_debugfs_root = debugfs_create_dir("zswap", NULL); - if (!zswap_debugfs_root) - return -ENOMEM; debugfs_create_u64("pool_limit_hit", 0444, zswap_debugfs_root, &zswap_pool_limit_hit); -- 2.20.1