From mboxrd@z Thu Jan 1 00:00:00 1970 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 26112C04A68 for ; Wed, 27 Jul 2022 17:13:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241245AbiG0RNz (ORCPT ); Wed, 27 Jul 2022 13:13:55 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48956 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241591AbiG0RNN (ORCPT ); Wed, 27 Jul 2022 13:13:13 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7FAC676472; Wed, 27 Jul 2022 09:42:09 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id E7DAB601C0; Wed, 27 Jul 2022 16:42:07 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 03162C433D6; Wed, 27 Jul 2022 16:42:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1658940127; bh=laAW4N7hZQuQqUG5fJRWifvSw1PQRaXRy9+COPCqzQY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=fwjQRWywWPb813Edb7g7dEmq7EUlZumNKyWzNG+8rXTqE3LZ2efYsnq/pKZidpeZy 6E2SgpIhyBu23jgP8cYVgEGIOUPjvlDqDc2yfJUE/+5+G3l8uUc16BYE0FoGdwvXb5 rBwYIa966SS935Dq1eKX3h913/7KEXHW6R+zqf0E= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Liang He , Laurentiu Palcu , Sasha Levin Subject: [PATCH 5.15 115/201] drm/imx/dcss: Add missing of_node_put() in fail path Date: Wed, 27 Jul 2022 18:10:19 +0200 Message-Id: <20220727161032.530165830@linuxfoundation.org> X-Mailer: git-send-email 2.37.1 In-Reply-To: <20220727161026.977588183@linuxfoundation.org> References: <20220727161026.977588183@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Liang He [ Upstream commit 02c87df2480ac855d88ee308ce3fa857d9bd55a8 ] In dcss_dev_create() and dcss_dev_destroy(), we should call of_node_put() in fail path or before the dcss's destroy as of_graph_get_port_by_id() has increased the refcount. Fixes: 9021c317b770 ("drm/imx: Add initial support for DCSS on iMX8MQ") Signed-off-by: Liang He Reviewed-by: Laurentiu Palcu Signed-off-by: Laurentiu Palcu Link: https://patchwork.freedesktop.org/patch/msgid/20220714081337.374761-1-windhl@126.com Signed-off-by: Sasha Levin --- drivers/gpu/drm/imx/dcss/dcss-dev.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/imx/dcss/dcss-dev.c b/drivers/gpu/drm/imx/dcss/dcss-dev.c index c849533ca83e..3f5750cc2673 100644 --- a/drivers/gpu/drm/imx/dcss/dcss-dev.c +++ b/drivers/gpu/drm/imx/dcss/dcss-dev.c @@ -207,6 +207,7 @@ struct dcss_dev *dcss_dev_create(struct device *dev, bool hdmi_output) ret = dcss_submodules_init(dcss); if (ret) { + of_node_put(dcss->of_port); dev_err(dev, "submodules initialization failed\n"); goto clks_err; } @@ -237,6 +238,8 @@ void dcss_dev_destroy(struct dcss_dev *dcss) dcss_clocks_disable(dcss); } + of_node_put(dcss->of_port); + pm_runtime_disable(dcss->dev); dcss_submodules_stop(dcss); -- 2.35.1