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 EF8D1C282C3 for ; Tue, 22 Jan 2019 15:14:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C028120879 for ; Tue, 22 Jan 2019 15:14:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1548170087; bh=pdbZX+e4YaHZHBBu2G1bBtBhTN0QM+ePWfjLnLkX1eo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=fmf+MFf/hZ9Y5SS9+rWTA/gUaO82Kvh5xsnh8jtev8zxgW6bsO1crvpO4Rly3WhME nulycoRsPLY2baQZukzADjuSBHVowAN1XeheSxsR17FFVwI0EcYh9vJxd0ZD5lOGPP OAv5X37WhACVoAlyuaC8uQOmag62XEksc3/6n4KY= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729295AbfAVPOq (ORCPT ); Tue, 22 Jan 2019 10:14:46 -0500 Received: from mail.kernel.org ([198.145.29.99]:54308 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729199AbfAVPOp (ORCPT ); Tue, 22 Jan 2019 10:14:45 -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 E84F6217D4; Tue, 22 Jan 2019 15:14:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1548170084; bh=pdbZX+e4YaHZHBBu2G1bBtBhTN0QM+ePWfjLnLkX1eo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=MtFVwwMK4eO7yrOesrEBE+Mju+V+R/xSkFM0dpRjAX0r7x23OUW3kdEjqKYx6L1Ng X1Tp8wGdk6GPjGvAqBTUOII5FLV1gmEYuwLvjSLcfJQq40Ml3BvxUTQydn1u0LdSMm Y4pFixfZebdj0MHHiPvWzXziFfNtumj6Mm9VXraw= From: Greg Kroah-Hartman To: Herbert Xu , David Miller Cc: linux-kernel@vger.kernel.org, linux-crypto@vger.kernel.org, Greg Kroah-Hartman , Robert Richter , Jan Glauber Subject: [PATCH 4/7] crypto: cavium: zip: no need to check return value of debugfs_create functions Date: Tue, 22 Jan 2019 16:14:19 +0100 Message-Id: <20190122151422.14204-5-gregkh@linuxfoundation.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190122151422.14204-1-gregkh@linuxfoundation.org> References: <20190122151422.14204-1-gregkh@linuxfoundation.org> 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: Herbert Xu Cc: "David S. Miller" Cc: Robert Richter Cc: Jan Glauber Cc: linux-crypto@vger.kernel.org Signed-off-by: Greg Kroah-Hartman --- drivers/crypto/cavium/zip/zip_main.c | 52 ++++++---------------------- 1 file changed, 11 insertions(+), 41 deletions(-) diff --git a/drivers/crypto/cavium/zip/zip_main.c b/drivers/crypto/cavium/zip/zip_main.c index be055b9547f6..e6b09e784e66 100644 --- a/drivers/crypto/cavium/zip/zip_main.c +++ b/drivers/crypto/cavium/zip/zip_main.c @@ -618,41 +618,23 @@ static const struct file_operations zip_regs_fops = { /* Root directory for thunderx_zip debugfs entry */ static struct dentry *zip_debugfs_root; -static int __init zip_debugfs_init(void) +static void __init zip_debugfs_init(void) { - struct dentry *zip_stats, *zip_clear, *zip_regs; - if (!debugfs_initialized()) - return -ENODEV; + return; zip_debugfs_root = debugfs_create_dir("thunderx_zip", NULL); - if (!zip_debugfs_root) - return -ENOMEM; /* Creating files for entries inside thunderx_zip directory */ - zip_stats = debugfs_create_file("zip_stats", 0444, - zip_debugfs_root, - NULL, &zip_stats_fops); - if (!zip_stats) - goto failed_to_create; - - zip_clear = debugfs_create_file("zip_clear", 0444, - zip_debugfs_root, - NULL, &zip_clear_fops); - if (!zip_clear) - goto failed_to_create; - - zip_regs = debugfs_create_file("zip_regs", 0444, - zip_debugfs_root, - NULL, &zip_regs_fops); - if (!zip_regs) - goto failed_to_create; + debugfs_create_file("zip_stats", 0444, zip_debugfs_root, NULL, + &zip_stats_fops); - return 0; + debugfs_create_file("zip_clear", 0444, zip_debugfs_root, NULL, + &zip_clear_fops); + + debugfs_create_file("zip_regs", 0444, zip_debugfs_root, NULL, + &zip_regs_fops); -failed_to_create: - debugfs_remove_recursive(zip_debugfs_root); - return -ENOENT; } static void __exit zip_debugfs_exit(void) @@ -661,13 +643,8 @@ static void __exit zip_debugfs_exit(void) } #else -static int __init zip_debugfs_init(void) -{ - return 0; -} - +static void __init zip_debugfs_init(void) { } static void __exit zip_debugfs_exit(void) { } - #endif /* debugfs - end */ @@ -691,17 +668,10 @@ static int __init zip_init_module(void) } /* comp-decomp statistics are handled with debugfs interface */ - ret = zip_debugfs_init(); - if (ret < 0) { - zip_err("ZIP: debugfs initialization failed\n"); - goto err_crypto_unregister; - } + zip_debugfs_init(); return ret; -err_crypto_unregister: - zip_unregister_compression_device(); - err_pci_unregister: pci_unregister_driver(&zip_driver); return ret; -- 2.20.1