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=-8.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, 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 B9958C31E49 for ; Wed, 19 Jun 2019 12:31:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9419C215EA for ; Wed, 19 Jun 2019 12:31:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731859AbfFSMbM (ORCPT ); Wed, 19 Jun 2019 08:31:12 -0400 Received: from mail-wm1-f68.google.com ([209.85.128.68]:39278 "EHLO mail-wm1-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731846AbfFSMai (ORCPT ); Wed, 19 Jun 2019 08:30:38 -0400 Received: by mail-wm1-f68.google.com with SMTP id z23so1644123wma.4 for ; Wed, 19 Jun 2019 05:30:36 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=zH+k6ndWzHXcUGt/1dQWHzCs9DtuO0deMfiOOMoKDp4=; b=spvvZjMOjVAkWyORI9b37NHQqZkuL/TY8zlw77GlVWts/tq6EsH44u9pjIHZVl6kJQ pSe/p+pNKZlQizmlIZToNUWIT3CZaIT/Qktt0qvu2RPHSaGryycKkaW+Nta9yKzpTsIo MbmUlXJjK1reYHR7cF3JkqXYHMSdVwbYl5fXgY+UJXwEnqsp5qeeuum8syDreYkZzskD 8HkQkxAtwbvftUkzFFR9VBnZzsYRY3I2u2nULz0xtY+pPHLw7GwTmoCGYSxgWH64g9I0 PeQWEBjRRyAD6NKm6DtC9OSdnj84bAZNGP3JKgFG2/vchf3c6eMxV8JrPfglbylV8nbn 544g== X-Gm-Message-State: APjAAAXWWFTc+v5fDCxXaf3VR7QZPfEaB9/3VcaBYL0RxgmcYhAdEn3I GnKTa0/x1Z7EYhQW1HYhh8TKww== X-Google-Smtp-Source: APXvYqzuyPwUZiu30WPoQqiKG/EAE+hhjNevOIChGgYRXYTK/dXvHdqIoIpAjRdiAlQh9pVuex6Smw== X-Received: by 2002:a1c:6585:: with SMTP id z127mr8881330wmb.25.1560947436334; Wed, 19 Jun 2019 05:30:36 -0700 (PDT) Received: from miu.piliscsaba.redhat.com (catv-212-96-48-140.catv.broadband.hu. [212.96.48.140]) by smtp.gmail.com with ESMTPSA id 11sm1837513wmd.23.2019.06.19.05.30.35 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Wed, 19 Jun 2019 05:30:35 -0700 (PDT) From: Miklos Szeredi To: David Howells Cc: Al Viro , Ian Kent , linux-api@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 07/13] proc: don't ignore options Date: Wed, 19 Jun 2019 14:30:13 +0200 Message-Id: <20190619123019.30032-7-mszeredi@redhat.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190619123019.30032-1-mszeredi@redhat.com> References: <20190619123019.30032-1-mszeredi@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-fsdevel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org The options "sync", "async", "dirsync", "lazytime", "nolazytime", "mand" and "nomand" make no sense for the proc filesystem. If these options are supplied to fsconfig(FSCONFIG_SET_FLAG), then return -EINVAL instead of silently ignoring the option. Any implementation, such as mount(8) that needs to parse this option without failing should simply ignore the return value from fsconfig(). Signed-off-by: Miklos Szeredi --- fs/proc/root.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/proc/root.c b/fs/proc/root.c index 6ef1527ad975..70127eaba04d 100644 --- a/fs/proc/root.c +++ b/fs/proc/root.c @@ -58,7 +58,7 @@ static int proc_parse_param(struct fs_context *fc, struct fs_parameter *param) struct fs_parse_result result; int ret, opt; - ret = vfs_parse_sb_flag(fc, param); + ret = vfs_parse_ro_rw(fc, param); if (ret != -ENOPARAM) return ret; -- 2.21.0