From patchwork Thu Jun 13 13:28:29 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 10991783 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 7848813AF for ; Thu, 13 Jun 2019 13:28:34 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 6550728BF0 for ; Thu, 13 Jun 2019 13:28:34 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 599F228BF4; Thu, 13 Jun 2019 13:28:34 +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=-5.2 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 0719C28BF0 for ; Thu, 13 Jun 2019 13:28:34 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 3F32A89A4B; Thu, 13 Jun 2019 13:28:33 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by gabe.freedesktop.org (Postfix) with ESMTPS id 35A3A89A4B for ; Thu, 13 Jun 2019 13:28:32 +0000 (UTC) Received: from localhost (83-86-89-107.cable.dynamic.v4.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 9E5572064A; Thu, 13 Jun 2019 13:28:31 +0000 (UTC) Date: Thu, 13 Jun 2019 15:28:29 +0200 From: Greg Kroah-Hartman To: Liviu Dudau , Brian Starkey , David Airlie , Daniel Vetter Subject: [PATCH] malidp: no need to check return value of debugfs_create functions Message-ID: <20190613132829.GB4863@kroah.com> MIME-Version: 1.0 Content-Disposition: inline User-Agent: Mutt/1.12.0 (2019-05-25) X-Mailman-Original-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1560432512; bh=QSPMihBTRTa1Hg/XoriNItl64URMyDxhrvi2bA2Nbdc=; h=Date:From:To:Cc:Subject:From; b=D4fIgK+dK1Dn0F87oIO3yL4ISnsoAikBDVRK8szzlJr5vKfWTOA0qVGtEZEw/UQEL oJtYmZYg/Q9aWgz3tBtxZRwL8edOGKRAhxvrYLhPguvfxDSYmp/Bi1RhJgYKbGdNWg 6bYq0jXODgoF0vKVB2Uop0aIJz63QKmj91ajhS1w= X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: dri-devel@lists.freedesktop.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" 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: Liviu Dudau Cc: Brian Starkey Cc: David Airlie Cc: Daniel Vetter Cc: dri-devel@lists.freedesktop.org Signed-off-by: Greg Kroah-Hartman Acked-by: Liviu Dudau --- drivers/gpu/drm/arm/malidp_drv.c | 11 ++--------- 1 file changed, 2 insertions(+), 9 deletions(-) diff --git a/drivers/gpu/drm/arm/malidp_drv.c b/drivers/gpu/drm/arm/malidp_drv.c index 21725c9b9f5e..7d732423d70d 100644 --- a/drivers/gpu/drm/arm/malidp_drv.c +++ b/drivers/gpu/drm/arm/malidp_drv.c @@ -542,19 +542,12 @@ static const struct file_operations malidp_debugfs_fops = { static int malidp_debugfs_init(struct drm_minor *minor) { struct malidp_drm *malidp = minor->dev->dev_private; - struct dentry *dentry = NULL; malidp_error_stats_init(&malidp->de_errors); malidp_error_stats_init(&malidp->se_errors); spin_lock_init(&malidp->errors_lock); - dentry = debugfs_create_file("debug", - S_IRUGO | S_IWUSR, - minor->debugfs_root, minor->dev, - &malidp_debugfs_fops); - if (!dentry) { - DRM_ERROR("Cannot create debug file\n"); - return -ENOMEM; - } + debugfs_create_file("debug", S_IRUGO | S_IWUSR, minor->debugfs_root, + minor->dev, &malidp_debugfs_fops); return 0; }