From patchwork Fri Jun 24 01:31:59 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jiapeng Chong X-Patchwork-Id: 12893288 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 60521C433EF for ; Fri, 24 Jun 2022 01:33:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229635AbiFXBdY (ORCPT ); Thu, 23 Jun 2022 21:33:24 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44042 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231217AbiFXBdX (ORCPT ); Thu, 23 Jun 2022 21:33:23 -0400 Received: from out30-57.freemail.mail.aliyun.com (out30-57.freemail.mail.aliyun.com [115.124.30.57]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DFFC117E1D; Thu, 23 Jun 2022 18:33:19 -0700 (PDT) X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R131e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=ay29a033018046049;MF=jiapeng.chong@linux.alibaba.com;NM=1;PH=DS;RN=7;SR=0;TI=SMTPD_---0VHEl8m6_1656034321; Received: from localhost(mailfrom:jiapeng.chong@linux.alibaba.com fp:SMTPD_---0VHEl8m6_1656034321) by smtp.aliyun-inc.com; Fri, 24 Jun 2022 09:33:17 +0800 From: Jiapeng Chong To: paul@crapouillou.net Cc: airlied@linux.ie, daniel@ffwll.ch, linux-mips@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Jiapeng Chong Subject: [PATCH] drm/ingenic: Use resource_size function on resource object Date: Fri, 24 Jun 2022 09:31:59 +0800 Message-Id: <20220624013159.88646-1-jiapeng.chong@linux.alibaba.com> X-Mailer: git-send-email 2.20.1.7.g153144c MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-mips@vger.kernel.org This was found by coccicheck: ./drivers/gpu/drm/ingenic/ingenic-drm-drv.c:1149:35-38: WARNING: Suspicious code. resource_size is maybe missing with res. Signed-off-by: Jiapeng Chong Reviewed-by: Sam Ravnborg --- drivers/gpu/drm/ingenic/ingenic-drm-drv.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/ingenic/ingenic-drm-drv.c b/drivers/gpu/drm/ingenic/ingenic-drm-drv.c index 2c559885347a..5514b163999f 100644 --- a/drivers/gpu/drm/ingenic/ingenic-drm-drv.c +++ b/drivers/gpu/drm/ingenic/ingenic-drm-drv.c @@ -1146,7 +1146,7 @@ static int ingenic_drm_bind(struct device *dev, bool has_components) } regmap_config = ingenic_drm_regmap_config; - regmap_config.max_register = res->end - res->start; + regmap_config.max_register = resource_size(res); priv->map = devm_regmap_init_mmio(dev, base, ®map_config); if (IS_ERR(priv->map)) {