From patchwork Mon Dec 25 10:20:18 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Markus Elfring X-Patchwork-Id: 183168 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a05:7301:6f82:b0:100:9c79:88ff with SMTP id tb2csp324135dyb; Mon, 25 Dec 2023 02:20:47 -0800 (PST) X-Google-Smtp-Source: AGHT+IFG9UOI27WLkK0psALMEY+XAhzo9k0q/X+mny0zmLM/LBZaA5UcwAUVh6D8ZnDCLp7Ak+dr X-Received: by 2002:a50:a41b:0:b0:550:5173:22f0 with SMTP id u27-20020a50a41b000000b00550517322f0mr4308234edb.46.1703499647262; Mon, 25 Dec 2023 02:20:47 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1703499647; cv=none; d=google.com; s=arc-20160816; b=upvjYzhtdo493/W8AbrjO9aIPlJCKprXuWqxzSY4NA7Mq5RgXZvmXrpiwwmPvTkudQ 9h8iclP4RJbSaTlCxPunmMqWriTqm9nsw1opQfkCBKrvPOth0fZawgfozwQ5P1gFwUd2 4rWvbn7ReP1IppKvaOa78qji0jMPFiokj8+HoP462QFWCeciYvv2yLzD5LlJG7nrBXQ5 Wcn4RCGjCven5hvmZbnJTFrs8QsJNHj8sGxwb5nUorYIaE9bIjhpiBLgKgxR1BTSEMDH VX+TO4iyRJ70/ZjG0SamP08WOcIDB/JM06OKlGz4uI9yn92moyoMJwQHylaNX0dJLATH H1AA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=ui-outboundreport:content-transfer-encoding:in-reply-to:references :cc:to:from:content-language:subject:user-agent:mime-version :list-unsubscribe:list-subscribe:list-id:precedence:date:message-id :dkim-signature; bh=v7V9n1U3DQ5dMKf3Ht8pi3eoz6BvR5RoupOzzD7Q7Io=; fh=ksZansD5U+4SwnCe5XSfBs20ubp6qS0cOKRNB4rLVWY=; b=wP78k7ljPT2WvPmcNGioog1ERfh73WOdyNi3BfZVjWOIc3ObgNluaneSUWvn6vws/1 vF4PAv1U8o0FP2sT+P49EK1jgy7JQmfHoZLCKr8kqpNun7i9XZe6ckGXDzXIf6hPh6Qc /cKmDbSEpzEXl0Kwfedva7le8nBfMHC08mOHGVHeBoSa8PdfWgF2iC6D6gGmK1j2e+VC 1IXwf96DAZanXnQL6eVSZmQnnbbMhOwHwZg4aa2I4YpEcnJObrouSw2ZpegMfnjTeA76 3WfrmknJ2tq/br3ru2agpIddJ65iMqz9IJW6ZCoyGpYYQFEOOlb+vG4s8OHyaIgWl3cY my7g== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@web.de header.s=s29768273 header.b=njxlL7Ss; spf=pass (google.com: domain of linux-kernel+bounces-10985-ouuuleilei=gmail.com@vger.kernel.org designates 2604:1380:4601:e00::3 as permitted sender) smtp.mailfrom="linux-kernel+bounces-10985-ouuuleilei=gmail.com@vger.kernel.org"; dmarc=pass (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=web.de Received: from am.mirrors.kernel.org (am.mirrors.kernel.org. [2604:1380:4601:e00::3]) by mx.google.com with ESMTPS id cb17-20020a0564020b7100b005545b670e4esi3100831edb.525.2023.12.25.02.20.47 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 25 Dec 2023 02:20:47 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel+bounces-10985-ouuuleilei=gmail.com@vger.kernel.org designates 2604:1380:4601:e00::3 as permitted sender) client-ip=2604:1380:4601:e00::3; Authentication-Results: mx.google.com; dkim=pass header.i=@web.de header.s=s29768273 header.b=njxlL7Ss; spf=pass (google.com: domain of linux-kernel+bounces-10985-ouuuleilei=gmail.com@vger.kernel.org designates 2604:1380:4601:e00::3 as permitted sender) smtp.mailfrom="linux-kernel+bounces-10985-ouuuleilei=gmail.com@vger.kernel.org"; dmarc=pass (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=web.de Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by am.mirrors.kernel.org (Postfix) with ESMTPS id DC44A1F22017 for ; Mon, 25 Dec 2023 10:20:46 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 7B02835F13; Mon, 25 Dec 2023 10:20:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=web.de header.i=markus.elfring@web.de header.b="njxlL7Ss" X-Original-To: linux-kernel@vger.kernel.org Received: from mout.web.de (mout.web.de [212.227.15.14]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 138722E41A; Mon, 25 Dec 2023 10:20:25 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=web.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=web.de DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=web.de; s=s29768273; t=1703499619; x=1704104419; i=markus.elfring@web.de; bh=BcDjKBOyEaRKAxrqJ8HhD9NG+93EcGaceaR8TsHG4xc=; h=X-UI-Sender-Class:Date:Subject:From:To:Cc:References: In-Reply-To; b=njxlL7SsWq3EoKB7t/Stasqu/iiTq+qCDkeVWW0/9HtseAk/GOLk5ethgcI2gcTt B5H0dLfJmNZa9TrD/nGl0zsSLEBuevJ1XHeWDmXl7qHJYbFJXMpU/psZmIbOBcVXK xQgTBdyuajcPq7j5rKQu7AZjKbudA2ipENUZqm2s3f/i6sw59D5TPq/1Hmevvqj15 13fcmAFP9ikphFnmWyN5ntPfs0z0w5MNGsI0A12YbrrZkHGM2ZgOy14m5lD1S+c6d cfXx5XIvWcesJ9b1FaNm8Kamh7c1t9avy3NcCOogGx6GjvOnyFjXNAb6t2dNG5fN6 x9i4gb4pMI+gj72EiQ== X-UI-Sender-Class: 814a7b36-bfc1-4dae-8640-3722d8ec6cd6 Received: from [192.168.178.21] ([94.31.85.95]) by smtp.web.de (mrweb006 [213.165.67.108]) with ESMTPSA (Nemesis) id 1MWz8v-1rjzMA2EUD-00XEuK; Mon, 25 Dec 2023 11:20:19 +0100 Message-ID: <04ced4fa-90b5-4dd7-8f50-2f898b2c0855@web.de> Date: Mon, 25 Dec 2023 11:20:18 +0100 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: [PATCH 2/3] dmaengine: timb_dma: Improve a size determination in td_alloc_init_desc() Content-Language: en-GB From: Markus Elfring To: dmaengine@vger.kernel.org, kernel-janitors@vger.kernel.org, Vinod Koul Cc: LKML , cocci@inria.fr References: In-Reply-To: X-Provags-ID: V03:K1:Hj+qur51bNboQvrcogJaAioT17jm3VMz9CFbZ6eqKgDxp9sPq3v IV5MHrUZQYKCpcBdE18ug+tw4+ty1LiaE29qw3xnn2FYGrLUa26k3TOgQPDQWkO1u0mtQ0j 2E72Wh6j/y1CYPwhaYjGTjmjvdcAB8vNwxCKDCkCTuqMy+yW6A22nTZLq8/n2nmoff6ijgv 2EMq14MgnJDhDnp6sXY0g== X-Spam-Flag: NO UI-OutboundReport: notjunk:1;M01:P0:EechiKC28UA=;Avaih5tdOdZMgr/C+RawOPJ/OYI hYAadsHCz8Zdqx78XOgZrEtDT56dqhsT2AU9NKxcF5+HhzCvnOehzkgLI/JFnOPX2OeiICYMg izn2Xhj+qRneoJQ7TbEs6ebZItXTH+SmH8Hzs8qZv1qc/hWk1WmQIjTzN7GSVsj6cWTNuweOi 8HlhABAvO7XG+Z62u/YSetdFK3fO5VoY+EXaRWPsQtA3dk2VEAxtFd0LK/iRKR4qsb2eRbyd9 2by6EQc75pvclmCaYge+Hga3wQT8jIua77L7kgJzyeiy3drArTULhzoLz26yfrofUWT3b4x9D w+A1B+W0eOV//sUMuNiMz6ZCaKz/xwkHbjpJNH94SlRC+TzjKOS3968VseQjrRemqpzqBdQsS QHpqSK0REDz3doOtBwUuvyuL8LItkQNM9FlRAtdRqCBT265AG1UOteUgBraMR4fjHln8S6xN8 dmN37eRWGmsqUlsWS3Wo1eXV2H2P8keXRmO1OUIk2RJCV2ML7hb9VDARLWF7Gneg3C0/CUcr3 dsMML2P5nceDpesSCfuYhS+i3guv/NyV7A9IurMEBxgq1jJkpLY1BJbLxK1YGKMnl+szQzFCS onzYdHxoCEswNPTEKQZii0/eFkEzxxR1XVYlVu+Y+9MGuNY8Xv1p48hxyPHSCMWTHmk+b+Ot7 31iXQUuyb1kENTNO4Mls/Vv6rW2X1+hmgI/diazCEDUToODgqExarvjMPX95cTbKV8KnAByfE Xp2G3cZ5cc7caLfi6TTtH57b1l51ipCPuchjKppqsO+KoMfcQduv3IDQUAEcbWAMWKtVRURTc ylK/bQJ8XKcFDGXgcU7AwQvli1AY0SHAchwNh0sh9vi3zLi/7nOHlFQmK+C9qmAMQkgL5wkRr BKvQ8HXlqHaacDoSB2jOM2ZD8EjuVbrg7OKajEQJPGQ8+w3CuVLyaGUNqVcYhId3ObhRI8Kgo so3qbT8p6m0SA+mA/B6lR8wAmxk= X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1786248845952015203 X-GMAIL-MSGID: 1786248845952015203 From: Markus Elfring Date: Mon, 25 Dec 2023 10:50:10 +0100 Replace the specification of a data structure by a pointer dereference as the parameter for the operator "sizeof" to make the corresponding size determination a bit safer according to the Linux coding style convention. Signed-off-by: Markus Elfring --- drivers/dma/timb_dma.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) -- 2.43.0 diff --git a/drivers/dma/timb_dma.c b/drivers/dma/timb_dma.c index abcab0b1ad3b..fc1f67bf9c06 100644 --- a/drivers/dma/timb_dma.c +++ b/drivers/dma/timb_dma.c @@ -325,7 +325,7 @@ static struct timb_dma_desc *td_alloc_init_desc(struct timb_dma_chan *td_chan) struct timb_dma_desc *td_desc; int err; - td_desc = kzalloc(sizeof(struct timb_dma_desc), GFP_KERNEL); + td_desc = kzalloc(sizeof(*td_desc), GFP_KERNEL); if (!td_desc) return NULL;