From patchwork Thu Sep 7 09:55:19 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Julia Lawall X-Patchwork-Id: 13376335 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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (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 9E824EE14DC for ; Thu, 7 Sep 2023 10:02:49 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 0E77010E221; Thu, 7 Sep 2023 10:02:46 +0000 (UTC) Received: from mail3-relais-sop.national.inria.fr (mail3-relais-sop.national.inria.fr [192.134.164.104]) by gabe.freedesktop.org (Postfix) with ESMTPS id 27F0C10E06A for ; Thu, 7 Sep 2023 10:02:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=inria.fr; s=dc; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=u0K12b/gI/8w4RhaCwn2OzPenKaNJKOwO3HnMNvMsC4=; b=IGXETRMV8AOk6o3LqgQH1rzOokANEtntin+l/G9jSGnL1sAZ0V21b/g2 SQLtMbCI9Nxj6s+ojNYVXNs+zV8kzgWmj9XxGORhCOg+M8jOwYHmOneS4 5L6lekDIm2/hrzqwCHO4LEM0yyhCjiK6V0jBVfKbtAH3Y7fYp2wxvEHpw c=; Authentication-Results: mail3-relais-sop.national.inria.fr; dkim=none (message not signed) header.i=none; spf=SoftFail smtp.mailfrom=Julia.Lawall@inria.fr; dmarc=fail (p=none dis=none) d=inria.fr X-IronPort-AV: E=Sophos;i="6.02,234,1688421600"; d="scan'208";a="65324668" Received: from i80.paris.inria.fr (HELO i80.paris.inria.fr.) ([128.93.90.48]) by mail3-relais-sop.national.inria.fr with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 07 Sep 2023 11:55:31 +0200 From: Julia Lawall To: Chun-Kuang Hu Subject: [PATCH 09/11] drm/mediatek: add missing of_node_put Date: Thu, 7 Sep 2023 11:55:19 +0200 Message-Id: <20230907095521.14053-10-Julia.Lawall@inria.fr> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20230907095521.14053-1-Julia.Lawall@inria.fr> References: <20230907095521.14053-1-Julia.Lawall@inria.fr> MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-mediatek@lists.infradead.org, Matthias Brugger , linux-arm-kernel@lists.infradead.org, AngeloGioacchino Del Regno Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" for_each_child_of_node performs an of_node_get on each iteration, so a break out of the loop requires an of_node_put. This was done using the Coccinelle semantic patch iterators/for_each_child.cocci Signed-off-by: Julia Lawall --- drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c | 4 +++- drivers/gpu/drm/mediatek/mtk_drm_drv.c | 4 +++- 2 files changed, 6 insertions(+), 2 deletions(-) diff -u -p a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c @@ -377,8 +377,10 @@ static bool mtk_drm_get_all_drm_priv(str if (all_drm_priv[cnt] && all_drm_priv[cnt]->mtk_drm_bound) cnt++; - if (cnt == MAX_CRTC) + if (cnt == MAX_CRTC) { + of_node_put(node); break; + } } if (drm_priv->data->mmsys_dev_num == cnt) { diff -u -p a/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c b/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c --- a/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c +++ b/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c @@ -436,8 +436,10 @@ static int ovl_adaptor_comp_init(struct } comp_pdev = of_find_device_by_node(node); - if (!comp_pdev) + if (!comp_pdev) { + of_node_put(node); return -EPROBE_DEFER; + } priv->ovl_adaptor_comp[id] = &comp_pdev->dev;