From patchwork Tue Jan 22 15:14:22 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 10775689 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 1F14D91E for ; Tue, 22 Jan 2019 15:15:03 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 0B3DE26242 for ; Tue, 22 Jan 2019 15:15:03 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id EF78328EA8; Tue, 22 Jan 2019 15:15:02 +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 BF51726242 for ; Tue, 22 Jan 2019 15:15:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729327AbfAVPOz (ORCPT ); Tue, 22 Jan 2019 10:14:55 -0500 Received: from mail.kernel.org ([198.145.29.99]:54584 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729316AbfAVPOy (ORCPT ); Tue, 22 Jan 2019 10:14:54 -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 31AE7217D4; Tue, 22 Jan 2019 15:14:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1548170092; bh=RBtl9EAyNklUXg2EmS5UmrMUyGB94Y/v1rinAVtvXL0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=thb4+7klLk/tbUGAFKXJbvEi9Ugc+4XLHxi8GC//bFBuZi4WORlSDHMp3pg/zlj7b +kxI6tO9Wb0BnCPkQFXmoHbFeEcgvZeNpNd2vvZtFVKr1y3HxVl6V3U2nZZkK1tm69 rgO4yymmwM+A43uwMG95YlWmazENRoL61GKB6d/c= From: Greg Kroah-Hartman To: Herbert Xu , David Miller Cc: linux-kernel@vger.kernel.org, linux-crypto@vger.kernel.org, Greg Kroah-Hartman , =?utf-8?q?Horia_Geant?= =?utf-8?q?=C4=83?= , Aymen Sghaier Subject: [PATCH 7/7] crypto: caam: no need to check return value of debugfs_create functions Date: Tue, 22 Jan 2019 16:14:22 +0100 Message-Id: <20190122151422.14204-8-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: "Horia Geantă" Cc: Aymen Sghaier Cc: Herbert Xu Cc: "David S. Miller" Cc: linux-crypto@vger.kernel.org Signed-off-by: Greg Kroah-Hartman Reviewed-by: Horia Geantă --- drivers/crypto/caam/ctrl.c | 21 ++++++--------------- drivers/crypto/caam/intern.h | 1 - 2 files changed, 6 insertions(+), 16 deletions(-) diff --git a/drivers/crypto/caam/ctrl.c b/drivers/crypto/caam/ctrl.c index 16bbc72f041a..87c13fb6028c 100644 --- a/drivers/crypto/caam/ctrl.c +++ b/drivers/crypto/caam/ctrl.c @@ -863,27 +863,18 @@ static int caam_probe(struct platform_device *pdev) /* Internal covering keys (useful in non-secure mode only) */ ctrlpriv->ctl_kek_wrap.data = (__force void *)&ctrlpriv->ctrl->kek[0]; ctrlpriv->ctl_kek_wrap.size = KEK_KEY_SIZE * sizeof(u32); - ctrlpriv->ctl_kek = debugfs_create_blob("kek", - S_IRUSR | - S_IRGRP | S_IROTH, - ctrlpriv->ctl, - &ctrlpriv->ctl_kek_wrap); + debugfs_create_blob("kek", S_IRUSR | S_IRGRP | S_IROTH, ctrlpriv->ctl, + &ctrlpriv->ctl_kek_wrap); ctrlpriv->ctl_tkek_wrap.data = (__force void *)&ctrlpriv->ctrl->tkek[0]; ctrlpriv->ctl_tkek_wrap.size = KEK_KEY_SIZE * sizeof(u32); - ctrlpriv->ctl_tkek = debugfs_create_blob("tkek", - S_IRUSR | - S_IRGRP | S_IROTH, - ctrlpriv->ctl, - &ctrlpriv->ctl_tkek_wrap); + debugfs_create_blob("tkek", S_IRUSR | S_IRGRP | S_IROTH, ctrlpriv->ctl, + &ctrlpriv->ctl_tkek_wrap); ctrlpriv->ctl_tdsk_wrap.data = (__force void *)&ctrlpriv->ctrl->tdsk[0]; ctrlpriv->ctl_tdsk_wrap.size = KEK_KEY_SIZE * sizeof(u32); - ctrlpriv->ctl_tdsk = debugfs_create_blob("tdsk", - S_IRUSR | - S_IRGRP | S_IROTH, - ctrlpriv->ctl, - &ctrlpriv->ctl_tdsk_wrap); + debugfs_create_blob("tdsk", S_IRUSR | S_IRGRP | S_IROTH, ctrlpriv->ctl, + &ctrlpriv->ctl_tdsk_wrap); #endif return 0; diff --git a/drivers/crypto/caam/intern.h b/drivers/crypto/caam/intern.h index babc78abd155..5869ad58d497 100644 --- a/drivers/crypto/caam/intern.h +++ b/drivers/crypto/caam/intern.h @@ -106,7 +106,6 @@ struct caam_drv_private { struct dentry *dfs_root; struct dentry *ctl; /* controller dir */ struct debugfs_blob_wrapper ctl_kek_wrap, ctl_tkek_wrap, ctl_tdsk_wrap; - struct dentry *ctl_kek, *ctl_tkek, *ctl_tdsk; #endif };