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 16661848D for ; Fri, 10 Mar 2023 14:29:32 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6C0B4C433D2; Fri, 10 Mar 2023 14:29:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1678458571; bh=dOyGtgEoquZpppBRGeLcbyPe5UMgmj9mzV4Iu9UiE9Y=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=T21qiG86arADAM6rTKrSHskR+ldGSLXdIUakGn7WeHQgQb3n3BN7dT2UcsovnDQH9 Wg/xljqy7HXy/l4KgQZhcnesNYNXlN3iDXiNfOhlc/Y06MhB7kxvuQOab3Q9gGYwwH zKo1Nm9uOE7ZcnUfyPTrXlPNnSD0myw7EOi5qLB8= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Miaoqian Lin , Marc Zyngier , Sasha Levin Subject: [PATCH 5.4 071/357] irqchip/ti-sci: Fix refcount leak in ti_sci_intr_irq_domain_probe Date: Fri, 10 Mar 2023 14:36:00 +0100 Message-Id: <20230310133737.113161706@linuxfoundation.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230310133733.973883071@linuxfoundation.org> References: <20230310133733.973883071@linuxfoundation.org> User-Agent: quilt/0.67 Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Miaoqian Lin [ Upstream commit 02298b7bae12936ca313975b02e7f98b06670d37 ] of_irq_find_parent() returns a node pointer with refcount incremented, We should use of_node_put() on it when not needed anymore. Add missing of_node_put() to avoid refcount leak. Fixes: cd844b0715ce ("irqchip/ti-sci-intr: Add support for Interrupt Router driver") Signed-off-by: Miaoqian Lin Signed-off-by: Marc Zyngier Link: https://lore.kernel.org/r/20230102085611.3955984-1-linmq006@gmail.com Signed-off-by: Sasha Levin --- drivers/irqchip/irq-ti-sci-intr.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/irqchip/irq-ti-sci-intr.c b/drivers/irqchip/irq-ti-sci-intr.c index 59d51a20bbd86..7d0163d85fb9b 100644 --- a/drivers/irqchip/irq-ti-sci-intr.c +++ b/drivers/irqchip/irq-ti-sci-intr.c @@ -205,6 +205,7 @@ static int ti_sci_intr_irq_domain_probe(struct platform_device *pdev) } parent_domain = irq_find_host(parent_node); + of_node_put(parent_node); if (!parent_domain) { dev_err(dev, "Failed to find IRQ parent domain\n"); return -ENODEV; -- 2.39.2