From patchwork Tue Feb 16 14:46:40 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg Kroah-Hartman X-Patchwork-Id: 12090117 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=-18.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,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 77FA0C433E9 for ; Tue, 16 Feb 2021 14:47:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 55AB164E07 for ; Tue, 16 Feb 2021 14:47:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230380AbhBPOrw (ORCPT ); Tue, 16 Feb 2021 09:47:52 -0500 Received: from mail.kernel.org ([198.145.29.99]:36862 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229827AbhBPOrc (ORCPT ); Tue, 16 Feb 2021 09:47:32 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id 5F6A264E02; Tue, 16 Feb 2021 14:46:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1613486811; bh=TEBV9VpD6nk0YI4sr84nQAcKYMYfEM1N6EDn0jtm5uo=; h=From:To:Cc:Subject:Date:From; b=MoSPiqkOdnhLOdtjDgsK+M4QjDdtVcSHYAWKUmMQjnmb/t65HQR6nqG1zSiYNeR9J Zj+6ZDgRgnFJn9DBope+zHoLLrXvN3VHhATtQ6SaGVDkxcDtZWeFBRNlTBI/9fpk3y s1W3U2yanZguusNf2SqtqjjQsNeh75e6UZMCr/VY= From: Greg Kroah-Hartman To: linux-usb@vger.kernel.org Cc: Greg Kroah-Hartman , Olav Kongas Subject: [PATCH 1/6] USB: host: isp116x: remove dentry pointer for debugfs Date: Tue, 16 Feb 2021 15:46:40 +0100 Message-Id: <20210216144645.3813043-1-gregkh@linuxfoundation.org> X-Mailer: git-send-email 2.30.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org There is no need to keep the dentry pointer around for the created debugfs file, as it is only needed when removing it from the system. When it is to be removed, ask debugfs itself for the pointer, to save on storage and make things a bit simpler. Cc: Olav Kongas Cc: linux-usb@vger.kernel.org Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/isp116x-hcd.c | 7 +++---- drivers/usb/host/isp116x.h | 1 - 2 files changed, 3 insertions(+), 5 deletions(-) diff --git a/drivers/usb/host/isp116x-hcd.c b/drivers/usb/host/isp116x-hcd.c index 8544a2a2c1e6..8835f6bd528e 100644 --- a/drivers/usb/host/isp116x-hcd.c +++ b/drivers/usb/host/isp116x-hcd.c @@ -1200,14 +1200,13 @@ DEFINE_SHOW_ATTRIBUTE(isp116x_debug); static void create_debug_file(struct isp116x *isp116x) { - isp116x->dentry = debugfs_create_file(hcd_name, - S_IRUGO, NULL, isp116x, - &isp116x_debug_fops); + debugfs_create_file(hcd_name, S_IRUGO, usb_debug_root, isp116x, + &isp116x_debug_fops); } static void remove_debug_file(struct isp116x *isp116x) { - debugfs_remove(isp116x->dentry); + debugfs_remove(debugfs_lookup(hcd_name, usb_debug_root)); } #else diff --git a/drivers/usb/host/isp116x.h b/drivers/usb/host/isp116x.h index a5e929c10d53..84904025fe7f 100644 --- a/drivers/usb/host/isp116x.h +++ b/drivers/usb/host/isp116x.h @@ -260,7 +260,6 @@ struct isp116x { struct isp116x_platform_data *board; - struct dentry *dentry; unsigned long stat1, stat2, stat4, stat8, stat16; /* HC registers */