From patchwork Wed Jun 26 13:28:49 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nicola Vetrini X-Patchwork-Id: 13712927 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 94AA5C3065B for ; Wed, 26 Jun 2024 13:29:17 +0000 (UTC) Received: from list by lists.xenproject.org with outflank-mailman.748857.1156803 (Exim 4.92) (envelope-from ) id 1sMShv-0003PP-L7; Wed, 26 Jun 2024 13:29:07 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 748857.1156803; Wed, 26 Jun 2024 13:29:07 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1sMShv-0003Oc-CB; Wed, 26 Jun 2024 13:29:07 +0000 Received: by outflank-mailman (input) for mailman id 748857; Wed, 26 Jun 2024 13:29:05 +0000 Received: from se1-gles-flk1-in.inumbo.com ([94.247.172.50] helo=se1-gles-flk1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1sMSht-00030P-Tl for xen-devel@lists.xenproject.org; Wed, 26 Jun 2024 13:29:05 +0000 Received: from support.bugseng.com (mail.bugseng.com [162.55.131.47]) by se1-gles-flk1.inumbo.com (Halon) with ESMTPS id 0e9a167e-33c0-11ef-b4bb-af5377834399; Wed, 26 Jun 2024 15:29:04 +0200 (CEST) Received: from nico.bugseng.com (unknown [46.228.253.214]) by support.bugseng.com (Postfix) with ESMTPSA id C54A74EE0757; Wed, 26 Jun 2024 15:29:03 +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: 0e9a167e-33c0-11ef-b4bb-af5377834399 From: Nicola Vetrini To: 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, Nicola Vetrini , Andrew Cooper , George Dunlap , Jan Beulich , Julien Grall Subject: [XEN PATCH v2 for-4.20 3/7] xen/guest_access: address violations of MISRA rule 20.7 Date: Wed, 26 Jun 2024 15:28:49 +0200 Message-Id: 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 a2146749e396..2e0971c4872c 100644 --- a/xen/include/xen/guest_access.h +++ b/xen/include/xen/guest_access.h @@ -51,9 +51,9 @@ ((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,