From patchwork Fri Oct 28 13:30:05 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Deepak R Varma X-Patchwork-Id: 13023727 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 E671BC38A02 for ; Fri, 28 Oct 2022 13:56:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229648AbiJ1N4K (ORCPT ); Fri, 28 Oct 2022 09:56:10 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59118 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230064AbiJ1N4J (ORCPT ); Fri, 28 Oct 2022 09:56:09 -0400 X-Greylist: delayed 1543 seconds by postgrey-1.37 at lindbergh.monkeyblade.net; Fri, 28 Oct 2022 06:56:06 PDT Received: from msg-2.mailo.com (msg-2.mailo.com [213.182.54.12]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 999E46AEB6 for ; Fri, 28 Oct 2022 06:56:06 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=mailo.com; s=mailo; t=1666963811; bh=yl2gtCFcrA+y8ipJCReQCBstnVYp6kw9Oo6TOGLDu48=; h=X-EA-Auth:Date:From:To:Subject:Message-ID:MIME-Version: Content-Type; b=naGIr9mbGwyhwpjYrv2t87fqffgj1mwZ+5/C4r80b/7MimJ/diBBIj6EkUnpiJmEJ SqFheASo9qXA6Udz4amUxh6XyhqOT0H4SoiBLAbW+ORLUkVGTuQqpHpcnLaVc1hHx8 6huRGOoIvDEfZVfgB1N24jlGlvzir8u96F1Kjaf0= Received: by b-6.in.mailobj.net [192.168.90.16] with ESMTP via [213.182.55.206] Fri, 28 Oct 2022 15:30:11 +0200 (CEST) X-EA-Auth: DIZOiORP0IjVZ8/XwaxKMK586tsbAVcXFYeycjJhdSHO7JpUY2oJpHSxW2jTyOzoxV7UlsyKto2JDACDDTO8hWRBMP/V0mK3 Date: Fri, 28 Oct 2022 19:00:05 +0530 From: Deepak R Varma To: outreachy@lists.linux.dev, Greg Kroah-Hartman , dri-devel@lists.freedesktop.org, linux-fbdev@vger.kernel.org, linux-staging@lists.linux.dev, linux-kernel@vger.kernel.org Subject: [PATCH] staging: fbtft: Use ARRAY_SIZE() to get argument count Message-ID: MIME-Version: 1.0 Content-Disposition: inline Precedence: bulk List-ID: X-Mailing-List: linux-fbdev@vger.kernel.org The ARRAY_SIZE(foo) macro should be preferred over sizeof operator based computation such as sizeof(foo)/sizeof(foo[0]) for finding number of elements in an array. Issue identified using coccicheck. Signed-off-by: Deepak R Varma --- drivers/staging/fbtft/fbtft.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) -- 2.34.1 diff --git a/drivers/staging/fbtft/fbtft.h b/drivers/staging/fbtft/fbtft.h index 2c2b5f1c1df3..5506a473be91 100644 --- a/drivers/staging/fbtft/fbtft.h +++ b/drivers/staging/fbtft/fbtft.h @@ -231,7 +231,7 @@ struct fbtft_par { bool polarity; }; -#define NUMARGS(...) (sizeof((int[]){__VA_ARGS__}) / sizeof(int)) +#define NUMARGS(...) ARRAY_SIZE(((int[]){ __VA_ARGS__ })) #define write_reg(par, ...) \ ((par)->fbtftops.write_register(par, NUMARGS(__VA_ARGS__), __VA_ARGS__))