From patchwork Tue Jun 11 15:53:33 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nicola Vetrini X-Patchwork-Id: 13693958 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id C86F3C41513 for ; Tue, 11 Jun 2024 15:54:00 +0000 (UTC) Received: from list by lists.xenproject.org with outflank-mailman.738556.1145371 (Exim 4.92) (envelope-from ) id 1sH3og-0005ce-13; Tue, 11 Jun 2024 15:53:46 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 738556.1145371; Tue, 11 Jun 2024 15:53:45 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1sH3of-0005al-PZ; Tue, 11 Jun 2024 15:53:45 +0000 Received: by outflank-mailman (input) for mailman id 738556; Tue, 11 Jun 2024 15:53:44 +0000 Received: from se1-gles-sth1-in.inumbo.com ([159.253.27.254] helo=se1-gles-sth1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1sH3oe-0005DH-8P for xen-devel@lists.xenproject.org; Tue, 11 Jun 2024 15:53:44 +0000 Received: from support.bugseng.com (mail.bugseng.com [162.55.131.47]) by se1-gles-sth1.inumbo.com (Halon) with ESMTPS id c75677dd-280a-11ef-90a3-e314d9c70b13; Tue, 11 Jun 2024 17:53:43 +0200 (CEST) Received: from nico.bugseng.com (unknown [46.228.253.194]) by support.bugseng.com (Postfix) with ESMTPSA id 830934EE0756; Tue, 11 Jun 2024 17:53:42 +0200 (CEST) X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: c75677dd-280a-11ef-90a3-e314d9c70b13 From: Nicola Vetrini To: nicola.vetrini@bugseng.com, xen-devel@lists.xenproject.org Cc: sstabellini@kernel.org, michal.orzel@amd.com, xenia.ragiadakou@amd.com, ayan.kumar.halder@amd.com, consulting@bugseng.com, Andrew Cooper , George Dunlap , Jan Beulich , Julien Grall Subject: [XEN PATCH 3/6] xen/guest_access: address violations of MISRA rule 20.7 Date: Tue, 11 Jun 2024 17:53:33 +0200 Message-Id: <2dbc4b40261b91de2148e467ce0fdade5cc89c50.1718117557.git.nicola.vetrini@bugseng.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: References: MIME-Version: 1.0 MISRA C Rule 20.7 states: "Expressions resulting from the expansion of macro parameters shall be enclosed in parentheses". Therefore, some macro definitions should gain additional parentheses to ensure that all current and future users will be safe with respect to expansions that can possibly alter the semantics of the passed-in macro parameter. No functional change. Signed-off-by: Nicola Vetrini Acked-by: Jan Beulich --- xen/include/xen/guest_access.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/xen/include/xen/guest_access.h b/xen/include/xen/guest_access.h index af33ae3ab652..8bd2a124e823 100644 --- a/xen/include/xen/guest_access.h +++ b/xen/include/xen/guest_access.h @@ -49,9 +49,9 @@ ((XEN_GUEST_HANDLE(type)) { &(hnd).p->fld }) #define guest_handle_from_ptr(ptr, type) \ - ((XEN_GUEST_HANDLE_PARAM(type)) { (type *)ptr }) + ((XEN_GUEST_HANDLE_PARAM(type)) { (type *)(ptr) }) #define const_guest_handle_from_ptr(ptr, type) \ - ((XEN_GUEST_HANDLE_PARAM(const_##type)) { (const type *)ptr }) + ((XEN_GUEST_HANDLE_PARAM(const_##type)) { (const type *)(ptr) }) /* * Copy an array of objects to guest context via a guest handle,