From patchwork Mon Mar 6 07:56:42 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Johan Hovold X-Patchwork-Id: 659653 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 49B5BC7619A for ; Mon, 6 Mar 2023 07:57:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229942AbjCFH5y (ORCPT ); Mon, 6 Mar 2023 02:57:54 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53424 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229821AbjCFH5l (ORCPT ); Mon, 6 Mar 2023 02:57:41 -0500 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2B4791F483; Sun, 5 Mar 2023 23:57:40 -0800 (PST) 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 3C55E60C61; Mon, 6 Mar 2023 07:57:38 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id BFBF1C43618; Mon, 6 Mar 2023 07:57:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1678089456; bh=NeIGcrfnxzuEqQ2lYCaxM49qcQ7dNB/jhVmGyQIzKIE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=f3hONoWWhbpyaoBBmlwVc/kR31DanI9Gi/uwvJBfG1l9yI2gdS7Dl9edRWmr8XFkn U49YdSaMMCoxRUxQMqQ6FNWcxLz0cnVR+F0su3OXOlBWUjc7xDnbDDi1OKjhb0kB4l MHbJDd9sAjNpxU3Jo4xXkWWD4tzKuvLcCxXaRnh8REQSbu2uiokzkS5LkgR2kr1K5m YVavmMbBtpqM87Azq01U9+Giz3m0lj4ujiarIKr/65Ama7IJKcs/6/jgX5wj55/Zcx OxgBvru6IwPOg9uhjzI13rPh8PVRe9KlzLx9WjpvX9F9kc6tY03G7PX1M3W1Lfw3fg UJ284z43LK39A== Received: from johan by xi.lan with local (Exim 4.94.2) (envelope-from ) id 1pZ5jd-0000iT-02; Mon, 06 Mar 2023 08:58:17 +0100 From: Johan Hovold To: Georgi Djakov Cc: "Shawn Guo" , "Sascha Hauer" , "Pengutronix Kernel Team" , "Fabio Estevam" , "NXP Linux Team" , "Andy Gross" , "Bjorn Andersson" , "Konrad Dybcio" , "Sylwester Nawrocki" , =?utf-8?b?QXJ0dXIgxZp3aWdv?= =?utf-8?b?xYQ=?= , "Krzysztof Kozlowski" , "Alim Akhtar" , "Thierry Reding" , "Jonathan Hunter" , linux-pm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org, Johan Hovold , stable@vger.kernel.org Subject: [PATCH v2 14/23] interconnect: exynos: fix node leak in probe PM QoS error path Date: Mon, 6 Mar 2023 08:56:42 +0100 Message-Id: <20230306075651.2449-15-johan+linaro@kernel.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230306075651.2449-1-johan+linaro@kernel.org> References: <20230306075651.2449-1-johan+linaro@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org Make sure to add the newly allocated interconnect node to the provider before adding the PM QoS request so that the node is freed on errors. Fixes: 2f95b9d5cf0b ("interconnect: Add generic interconnect driver for Exynos SoCs") Cc: stable@vger.kernel.org # 5.11 Cc: Sylwester Nawrocki Reviewed-by: Krzysztof Kozlowski Signed-off-by: Johan Hovold --- drivers/interconnect/samsung/exynos.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/interconnect/samsung/exynos.c b/drivers/interconnect/samsung/exynos.c index 6559d8cf8068..e70665899482 100644 --- a/drivers/interconnect/samsung/exynos.c +++ b/drivers/interconnect/samsung/exynos.c @@ -149,6 +149,9 @@ static int exynos_generic_icc_probe(struct platform_device *pdev) &priv->bus_clk_ratio)) priv->bus_clk_ratio = EXYNOS_ICC_DEFAULT_BUS_CLK_RATIO; + icc_node->data = priv; + icc_node_add(icc_node, provider); + /* * Register a PM QoS request for the parent (devfreq) device. */ @@ -157,9 +160,6 @@ static int exynos_generic_icc_probe(struct platform_device *pdev) if (ret < 0) goto err_node_del; - icc_node->data = priv; - icc_node_add(icc_node, provider); - icc_parent_node = exynos_icc_get_parent(bus_dev->of_node); if (IS_ERR(icc_parent_node)) { ret = PTR_ERR(icc_parent_node);