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=-14.0 required=3.0 tests=BAYES_00,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 12C16C433DB for ; Mon, 22 Mar 2021 16:31:53 +0000 (UTC) Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [216.205.24.124]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 962B960249 for ; Mon, 22 Mar 2021 16:31:52 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 962B960249 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=tempfail smtp.mailfrom=linux-audit-bounces@redhat.com Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-41-K4tSzt-FMV23SidRPI7JMA-1; Mon, 22 Mar 2021 12:31:48 -0400 X-MC-Unique: K4tSzt-FMV23SidRPI7JMA-1 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id E692E80006E; Mon, 22 Mar 2021 16:31:44 +0000 (UTC) Received: from colo-mx.corp.redhat.com (colo-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.20]) by smtp.corp.redhat.com (Postfix) with ESMTPS id BCA751B400; Mon, 22 Mar 2021 16:31:44 +0000 (UTC) Received: from lists01.pubmisc.prod.ext.phx2.redhat.com (lists01.pubmisc.prod.ext.phx2.redhat.com [10.5.19.33]) by colo-mx.corp.redhat.com (Postfix) with ESMTP id 643731809C83; Mon, 22 Mar 2021 16:31:43 +0000 (UTC) Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.rdu2.redhat.com [10.11.54.4]) by lists01.pubmisc.prod.ext.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id 12MGSItA012993 for ; Mon, 22 Mar 2021 12:28:18 -0400 Received: by smtp.corp.redhat.com (Postfix) id E6BB92026D64; Mon, 22 Mar 2021 16:28:17 +0000 (UTC) Received: from mimecast-mx02.redhat.com (mimecast06.extmail.prod.ext.rdu2.redhat.com [10.11.55.22]) by smtp.corp.redhat.com (Postfix) with ESMTPS id E24362026D60 for ; Mon, 22 Mar 2021 16:28:15 +0000 (UTC) Received: from us-smtp-1.mimecast.com (us-smtp-2.mimecast.com [207.211.31.81]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 8D1DA185A7B2 for ; Mon, 22 Mar 2021 16:28:15 +0000 (UTC) Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-347-EkBljNk8P8SaLKwzXOU8pA-1; Mon, 22 Mar 2021 12:28:13 -0400 X-MC-Unique: EkBljNk8P8SaLKwzXOU8pA-1 Received: by mail.kernel.org (Postfix) with ESMTPSA id DD75861923; Mon, 22 Mar 2021 16:28:09 +0000 (UTC) From: Arnd Bergmann To: Paul Moore , Eric Paris Subject: [PATCH] [v2] audit: avoid -Wempty-body warning Date: Mon, 22 Mar 2021 17:27:45 +0100 Message-Id: <20210322162807.679370-1-arnd@kernel.org> MIME-Version: 1.0 X-Mimecast-Impersonation-Protect: Policy=CLT - Impersonation Protection Definition; Similar Internal Domain=false; Similar Monitored External Domain=false; Custom External Domain=false; Mimecast External Domain=false; Newly Observed Domain=false; Internal User Name=false; Custom Display Name List=false; Reply-to Address Mismatch=false; Targeted Threat Dictionary=false; Mimecast Threat Dictionary=false; Custom Threat Dictionary=false X-Scanned-By: MIMEDefang 2.78 on 10.11.54.4 X-MIME-Autoconverted: from quoted-printable to 8bit by lists01.pubmisc.prod.ext.phx2.redhat.com id 12MGSItA012993 X-loop: linux-audit@redhat.com X-Mailman-Approved-At: Mon, 22 Mar 2021 12:31:42 -0400 Cc: Richard Guy Briggs , Jules Irenge , linux-audit@redhat.com, linux-kernel@vger.kernel.org, Arnd Bergmann X-BeenThere: linux-audit@redhat.com X-Mailman-Version: 2.1.12 Precedence: junk List-Id: Linux Audit Discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: linux-audit-bounces@redhat.com Errors-To: linux-audit-bounces@redhat.com X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=linux-audit-bounces@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit From: Arnd Bergmann gcc warns about an empty statement when audit_remove_mark is defined to nothing: kernel/auditfilter.c: In function 'audit_data_to_entry': kernel/auditfilter.c:609:51: error: suggest braces around empty body in an 'if' statement [-Werror=empty-body] 609 | audit_remove_mark(entry->rule.exe); /* that's the template one */ | ^ Change the macros to use the usual "do { } while (0)" instead, and change a few more that were (void)0, for consistency. Signed-off-by: Arnd Bergmann --- v2: convert two more macros --- kernel/audit.h | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/kernel/audit.h b/kernel/audit.h index 3b9c0945225a..1522e100fd17 100644 --- a/kernel/audit.h +++ b/kernel/audit.h @@ -292,8 +292,8 @@ extern void audit_filter_inodes(struct task_struct *tsk, extern struct list_head *audit_killed_trees(void); #else /* CONFIG_AUDITSYSCALL */ #define auditsc_get_stamp(c, t, s) 0 -#define audit_put_watch(w) {} -#define audit_get_watch(w) {} +#define audit_put_watch(w) do { } while (0) +#define audit_get_watch(w) do { } while (0) #define audit_to_watch(k, p, l, o) (-EINVAL) #define audit_add_watch(k, l) (-EINVAL) #define audit_remove_watch_rule(k) BUG() @@ -302,8 +302,8 @@ extern struct list_head *audit_killed_trees(void); #define audit_alloc_mark(k, p, l) (ERR_PTR(-EINVAL)) #define audit_mark_path(m) "" -#define audit_remove_mark(m) -#define audit_remove_mark_rule(k) +#define audit_remove_mark(m) do { } while (0) +#define audit_remove_mark_rule(k) do { } while (0) #define audit_mark_compare(m, i, d) 0 #define audit_exe_compare(t, m) (-EINVAL) #define audit_dupe_exe(n, o) (-EINVAL) @@ -311,8 +311,8 @@ extern struct list_head *audit_killed_trees(void); #define audit_remove_tree_rule(rule) BUG() #define audit_add_tree_rule(rule) -EINVAL #define audit_make_tree(rule, str, op) -EINVAL -#define audit_trim_trees() (void)0 -#define audit_put_tree(tree) (void)0 +#define audit_trim_trees() do { } while (0) +#define audit_put_tree(tree) do { } while (0) #define audit_tag_tree(old, new) -EINVAL #define audit_tree_path(rule) "" /* never called */ #define audit_kill_trees(context) BUG() -- 2.29.2 -- Linux-audit mailing list Linux-audit@redhat.com https://listman.redhat.com/mailman/listinfo/linux-audit