From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 D6CD4227BA9; Fri, 4 Oct 2024 18:30:31 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728066631; cv=none; b=tEuWq2EBhYQLKKlMlzjHuCZ+455tCQ237mBcWLR2m1CiKYWGxh+vEHDMF4J6XKQOjIoMDBnWdMoIJWYNn6Cvvnk6RnXusaV6dju7OMwZM7exDDXPwcjEfvr6jZh0rCod8ynhf0DtSM9l6mkSF//GNwUad79I0Nxq5ZD3sXsImw4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728066631; c=relaxed/simple; bh=ABc0QBjQCqeraLJRnvc3Amm0w2qOe4YTPG226MAJ5fw=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=X7GSAAPF0hUvvJBCc3I/H4nQV1QTa/zxUXIMgS1I/T1mEyT/0Bjz4u8E+Fu+N9S+ApNvEgeeeKO79cFc5eNW0FLGXVAjn+fUCRDzj2mHDFF9IxxrGTcS9U2G76hUkvv3eP/JzYDm2kD6T4ewrR+mooQSQfifNwzZUEj5x7sQdmk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=CWdVFY1X; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="CWdVFY1X" Received: by smtp.kernel.org (Postfix) with ESMTPSA id E65A0C4CECC; Fri, 4 Oct 2024 18:30:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1728066631; bh=ABc0QBjQCqeraLJRnvc3Amm0w2qOe4YTPG226MAJ5fw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=CWdVFY1X/uLp0EANhw7KPYZTAspA2LgNvIQsKptID1/PZH0GVSP7TcNAdox6lkMnj 3g1mmgeGcXeFSiD/Dt0+s8oAnq8PFfvZvudCFtH8qf+Ra9MT4p58ySqlixeRsWShg3 RllWplEBAPjlUcMUIjqjMxfardf2aNlZvTCCEOFmGMyUNwIMmELGJxwvxfm6UjuHpy 4vhpl8w+6A+koral9/1A8kBJ7660tKPfzFAsSXAmmb/yZNWbKxfmTbO0+OJka+eeLN WMlRdyZv8ch5fj+vBMv0bnh1hjOcKuOCcofJ4NJ3hABymGCxE19x2MleUrP4t7KqCM iPrp20NvMzDmw== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Krzysztof Kozlowski , Stephen Boyd , Sasha Levin , mturquette@baylibre.com, linux-clk@vger.kernel.org Subject: [PATCH AUTOSEL 5.10 13/26] clk: bcm: bcm53573: fix OF node leak in init Date: Fri, 4 Oct 2024 14:29:39 -0400 Message-ID: <20241004183005.3675332-13-sashal@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20241004183005.3675332-1-sashal@kernel.org> References: <20241004183005.3675332-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore X-stable-base: Linux 5.10.226 Content-Transfer-Encoding: 8bit From: Krzysztof Kozlowski [ Upstream commit f92d67e23b8caa81f6322a2bad1d633b00ca000e ] Driver code is leaking OF node reference from of_get_parent() in bcm53573_ilp_init(). Usage of of_get_parent() is not needed in the first place, because the parent node will not be freed while we are processing given node (triggered by CLK_OF_DECLARE()). Thus fix the leak by accessing parent directly, instead of of_get_parent(). Signed-off-by: Krzysztof Kozlowski Link: https://lore.kernel.org/r/20240826065801.17081-1-krzysztof.kozlowski@linaro.org Signed-off-by: Stephen Boyd Signed-off-by: Sasha Levin --- drivers/clk/bcm/clk-bcm53573-ilp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/clk/bcm/clk-bcm53573-ilp.c b/drivers/clk/bcm/clk-bcm53573-ilp.c index 84f2af736ee8a..83ef41d618be3 100644 --- a/drivers/clk/bcm/clk-bcm53573-ilp.c +++ b/drivers/clk/bcm/clk-bcm53573-ilp.c @@ -112,7 +112,7 @@ static void bcm53573_ilp_init(struct device_node *np) goto err_free_ilp; } - ilp->regmap = syscon_node_to_regmap(of_get_parent(np)); + ilp->regmap = syscon_node_to_regmap(np->parent); if (IS_ERR(ilp->regmap)) { err = PTR_ERR(ilp->regmap); goto err_free_ilp; -- 2.43.0