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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 62311C433EF for ; Sat, 20 Nov 2021 13:02:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237821AbhKTNFQ (ORCPT ); Sat, 20 Nov 2021 08:05:16 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48792 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237491AbhKTNEj (ORCPT ); Sat, 20 Nov 2021 08:04:39 -0500 Received: from mail-wr1-x42a.google.com (mail-wr1-x42a.google.com [IPv6:2a00:1450:4864:20::42a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 453D5C061574 for ; Sat, 20 Nov 2021 05:01:36 -0800 (PST) Received: by mail-wr1-x42a.google.com with SMTP id n29so23117211wra.11 for ; Sat, 20 Nov 2021 05:01:36 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=d9sCY/yevwhFH9rAyrT9wBHZNyuugv7YZkcW3TXKw58=; b=TJdzYSAcjmggqB/WRU8tTQ9d0ODOH/DcI10FtsxFelmknUP9v/aOHfWA5Q3Xj5GGMH KnMAfnALhaKsn/ZP4LuSk6bG6BCWHNIoiOVFUee6RqibptZnWgVlRJMUiS3Keql6ObDt K1wkGB4O+ucfuUmkxF75Fewa6DrN06qt0Zr7XjB36fAMPBHkuQYfuo/pl1F8xoDrXHLS yzfYu7C4j45BWItKVYjLvrRbMCLM4DiKtiZGhLTnklzztFd+LuCuP2qL8p1Sj1t1CZf3 2dtX3wiNTodUqwqAjrh/mBHKCvhQ1zfsimz88RKMK03UYHJacktAu7WK7V+FqYt7z/Yq aZ6Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=d9sCY/yevwhFH9rAyrT9wBHZNyuugv7YZkcW3TXKw58=; b=GosygqSKiH3+GBo48alnuC5dg5Z0lxeshpJuj8VI7VSjrRPkm6w66HxV2TOMh40WDl Umx0Kj0ERyFWTqhFJmYemAfSnFZDxinEgfSCzrPjyOdkTFgmM7OGinrI0wKAl85cgEhy YFgmu/e4DZMN0xK5HvM5PIyOSIgnZeM9hoKmWsQd6do7zz7VSeY3uddlJaoW2RNUVuv8 U8gvUFHGj4BPWHDU/AoQoJvCBWS01qIbVVh86N7N0JIFvCXmiSLV1HJDuy1Hytw7Xsj0 1WTNGapsbqLjE/F+YxMu2+w78X+nbDLJ/s5jWCOB7RTbsG1p5XOCf5vvJSH/yMM9lIg3 z9aw== X-Gm-Message-State: AOAM5313MiKwbv6hO3AiLkKvg2nhhLoErBYID8gzKxTbOqnWWDg3n+QK T0IiFf6PcYd3M3DYH9fq3fjzSG8VAZMRog== X-Google-Smtp-Source: ABdhPJwizQ13xo1o7r77qBgs7rR5jhHSsfi3ox2QCzn3b/eunY3OoB+D4K/DBQfa4ELN+jxiQaC1sQ== X-Received: by 2002:a5d:59ab:: with SMTP id p11mr17172505wrr.340.1637413294942; Sat, 20 Nov 2021 05:01:34 -0800 (PST) Received: from ady1.alejandro-colomar.es ([170.253.36.171]) by smtp.googlemail.com with ESMTPSA id m17sm2636736wrz.22.2021.11.20.05.01.34 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 20 Nov 2021 05:01:34 -0800 (PST) From: Alejandro Colomar To: LKML Cc: Alejandro Colomar , Andy Shevchenko , Arnd Bergmann , Alexey Dobriyan , Jani Nikula , Rasmus Villemoes , Kees Cook , Joe Perches Subject: [PATCH v2 17/20] linux/array_size.h: Add __is_array(a) to help readability Date: Sat, 20 Nov 2021 14:01:01 +0100 Message-Id: <20211120130104.185699-19-alx.manpages@gmail.com> X-Mailer: git-send-email 2.33.1 In-Reply-To: <20211120130104.185699-1-alx.manpages@gmail.com> References: <20211119113644.1600-1-alx.manpages@gmail.com> <20211120130104.185699-1-alx.manpages@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Signed-off-by: Alejandro Colomar --- include/linux/array_size.h | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/include/linux/array_size.h b/include/linux/array_size.h index c2b4fddba564..4d364f8a1f50 100644 --- a/include/linux/array_size.h +++ b/include/linux/array_size.h @@ -7,7 +7,9 @@ /* &a[0] degrades to a pointer: a different type from an array */ -#define __must_be_array(a) __must_be(!__same_type((a), &(a)[0])) +#define __is_array(a) (!__same_type((a), &(a)[0])) + +#define __must_be_array(a) __must_be(__is_array(a)) /** * ARRAY_SIZE - get the number of elements in array @a -- 2.33.1