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=-13.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable 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 0C5D0C4727C for ; Tue, 29 Sep 2020 12:01:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id ADA452074A for ; Tue, 29 Sep 2020 12:01:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1601380867; bh=HJPvvsusc2XJLDTuhpelOIyXJzUhpKNPkUQq/2875Dk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=n8yau90rvB3APzbRllLFXfFGDcGp1+jT33HTEMC8VxR4Q2ZegSdv7iTS95ItGZzb5 VfG+yd6DT4hFC8xGU9RbejIguk52w/28hfuvKfTRS7YpqzuzeUAiIJdISHm71tyuuX hFRLnc8yHFWgRRqiRD1ik9hM5dXaR9v5MO3e6loQ= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731688AbgI2MBF (ORCPT ); Tue, 29 Sep 2020 08:01:05 -0400 Received: from mail.kernel.org ([198.145.29.99]:36576 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730569AbgI2Lku (ORCPT ); Tue, 29 Sep 2020 07:40:50 -0400 Received: from localhost (83-86-74-64.cable.dynamic.v4.ziggo.nl [83.86.74.64]) (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 68D9523A5C; Tue, 29 Sep 2020 11:23:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1601378625; bh=HJPvvsusc2XJLDTuhpelOIyXJzUhpKNPkUQq/2875Dk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=WADoCB6HuYs4xlJqJDSXZYU2vcnXR729kdSQYXUcvU1IOXUGfA0FkMtr+6Ce77Gmp kcf2k/0dJlmXQh8ty3De8C3Vql6EYXFgTvZYFrzQ5fk0a5iBFs3+UWvzrqhpeu6Qbf TzIg22HRcO3evdGOeVu5OKcWhd3cIZ21iijqoixE= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Kusanagi Kouichi , Sasha Levin Subject: [PATCH 4.19 041/245] debugfs: Fix !DEBUG_FS debugfs_create_automount Date: Tue, 29 Sep 2020 12:58:12 +0200 Message-Id: <20200929105948.999217045@linuxfoundation.org> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20200929105946.978650816@linuxfoundation.org> References: <20200929105946.978650816@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Kusanagi Kouichi [ Upstream commit 4250b047039d324e0ff65267c8beb5bad5052a86 ] If DEBUG_FS=n, compile fails with the following error: kernel/trace/trace.c: In function 'tracing_init_dentry': kernel/trace/trace.c:8658:9: error: passing argument 3 of 'debugfs_create_automount' from incompatible pointer type [-Werror=incompatible-pointer-types] 8658 | trace_automount, NULL); | ^~~~~~~~~~~~~~~ | | | struct vfsmount * (*)(struct dentry *, void *) In file included from kernel/trace/trace.c:24: ./include/linux/debugfs.h:206:25: note: expected 'struct vfsmount * (*)(void *)' but argument is of type 'struct vfsmount * (*)(struct dentry *, void *)' 206 | struct vfsmount *(*f)(void *), | ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~ Signed-off-by: Kusanagi Kouichi Link: https://lore.kernel.org/r/20191121102021787.MLMY.25002.ppp.dion.ne.jp@dmta0003.auone-net.jp Signed-off-by: Greg Kroah-Hartman Signed-off-by: Sasha Levin --- include/linux/debugfs.h | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/include/linux/debugfs.h b/include/linux/debugfs.h index 3b0ba54cc4d5b..3bc1034c57e66 100644 --- a/include/linux/debugfs.h +++ b/include/linux/debugfs.h @@ -54,6 +54,8 @@ static const struct file_operations __fops = { \ .llseek = no_llseek, \ } +typedef struct vfsmount *(*debugfs_automount_t)(struct dentry *, void *); + #if defined(CONFIG_DEBUG_FS) struct dentry *debugfs_lookup(const char *name, struct dentry *parent); @@ -75,7 +77,6 @@ struct dentry *debugfs_create_dir(const char *name, struct dentry *parent); struct dentry *debugfs_create_symlink(const char *name, struct dentry *parent, const char *dest); -typedef struct vfsmount *(*debugfs_automount_t)(struct dentry *, void *); struct dentry *debugfs_create_automount(const char *name, struct dentry *parent, debugfs_automount_t f, @@ -204,7 +205,7 @@ static inline struct dentry *debugfs_create_symlink(const char *name, static inline struct dentry *debugfs_create_automount(const char *name, struct dentry *parent, - struct vfsmount *(*f)(void *), + debugfs_automount_t f, void *data) { return ERR_PTR(-ENODEV); -- 2.25.1