From patchwork Tue Jan 22 15:14:21 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: 10775691 X-Patchwork-Delegate: herbert@gondor.apana.org.au 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 4BBF21399 for ; Tue, 22 Jan 2019 15:15:06 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 3955F293B7 for ; Tue, 22 Jan 2019 15:15:06 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 2D67228EA8; Tue, 22 Jan 2019 15:15:06 +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 075BE28505 for ; Tue, 22 Jan 2019 15:15:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729199AbfAVPOw (ORCPT ); Tue, 22 Jan 2019 10:14:52 -0500 Received: from mail.kernel.org ([198.145.29.99]:54496 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729304AbfAVPOv (ORCPT ); Tue, 22 Jan 2019 10:14:51 -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 8692320879; Tue, 22 Jan 2019 15:14:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1548170090; bh=pNi+plpGvyZxFABsBAWchMyav3BimwX0bOsD7fo9jVg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=iZ0eftAGBx4/n2UxdJBhiDLZu96vPxCTZXz626Db1qsm+zHD6Z7oj1q5fho0IJoWn vUlXC3/dZt0ytHfhWcbQtO2viHuHmzNQU4RRTdsoQE0vJ9asxzxb6Qf92ZuWzHHYFe jyuZJu10qHaYDMasDwzLN8m+gt4HXi4WClr6PuHA= From: Greg Kroah-Hartman To: Herbert Xu , David Miller Cc: linux-kernel@vger.kernel.org, linux-crypto@vger.kernel.org, Greg Kroah-Hartman , Tom Lendacky , Gary Hook Subject: [PATCH 6/7] crypto: ccp: no need to check return value of debugfs_create functions Date: Tue, 22 Jan 2019 16:14:21 +0100 Message-Id: <20190122151422.14204-7-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 Sender: linux-crypto-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-crypto@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: Tom Lendacky Cc: Gary Hook Cc: Herbert Xu Cc: "David S. Miller" Cc: linux-crypto@vger.kernel.org Signed-off-by: Greg Kroah-Hartman Acked-by: Gary R Hook --- drivers/crypto/ccp/ccp-debugfs.c | 36 +++++++------------------------- 1 file changed, 7 insertions(+), 29 deletions(-) diff --git a/drivers/crypto/ccp/ccp-debugfs.c b/drivers/crypto/ccp/ccp-debugfs.c index 1a734bd2070a..4bd26af7098d 100644 --- a/drivers/crypto/ccp/ccp-debugfs.c +++ b/drivers/crypto/ccp/ccp-debugfs.c @@ -286,10 +286,7 @@ void ccp5_debugfs_setup(struct ccp_device *ccp) { struct ccp_cmd_queue *cmd_q; char name[MAX_NAME_LEN + 1]; - struct dentry *debugfs_info; - struct dentry *debugfs_stats; struct dentry *debugfs_q_instance; - struct dentry *debugfs_q_stats; int i; if (!debugfs_initialized()) @@ -299,24 +296,14 @@ void ccp5_debugfs_setup(struct ccp_device *ccp) if (!ccp_debugfs_dir) ccp_debugfs_dir = debugfs_create_dir(KBUILD_MODNAME, NULL); mutex_unlock(&ccp_debugfs_lock); - if (!ccp_debugfs_dir) - return; ccp->debugfs_instance = debugfs_create_dir(ccp->name, ccp_debugfs_dir); - if (!ccp->debugfs_instance) - goto err; - debugfs_info = debugfs_create_file("info", 0400, - ccp->debugfs_instance, ccp, - &ccp_debugfs_info_ops); - if (!debugfs_info) - goto err; + debugfs_create_file("info", 0400, ccp->debugfs_instance, ccp, + &ccp_debugfs_info_ops); - debugfs_stats = debugfs_create_file("stats", 0600, - ccp->debugfs_instance, ccp, - &ccp_debugfs_stats_ops); - if (!debugfs_stats) - goto err; + debugfs_create_file("stats", 0600, ccp->debugfs_instance, ccp, + &ccp_debugfs_stats_ops); for (i = 0; i < ccp->cmd_q_count; i++) { cmd_q = &ccp->cmd_q[i]; @@ -325,21 +312,12 @@ void ccp5_debugfs_setup(struct ccp_device *ccp) debugfs_q_instance = debugfs_create_dir(name, ccp->debugfs_instance); - if (!debugfs_q_instance) - goto err; - - debugfs_q_stats = - debugfs_create_file("stats", 0600, - debugfs_q_instance, cmd_q, - &ccp_debugfs_queue_ops); - if (!debugfs_q_stats) - goto err; + + debugfs_create_file("stats", 0600, debugfs_q_instance, cmd_q, + &ccp_debugfs_queue_ops); } return; - -err: - debugfs_remove_recursive(ccp->debugfs_instance); } void ccp5_debugfs_destroy(void)