This is a note to let you know that I've just added the patch titled irqchip/irq-mvebu-gicp: Fix refcount leak in mvebu_gicp_probe to the 5.4-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: irqchip-irq-mvebu-gicp-fix-refcount-leak-in-mvebu_gi.patch and it can be found in the queue-5.4 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit 90730250484076f809bd7719c205b0ef75ad101a Author: Miaoqian Lin <linmq006@xxxxxxxxx> Date: Mon Jan 2 12:42:08 2023 +0400 irqchip/irq-mvebu-gicp: Fix refcount leak in mvebu_gicp_probe [ Upstream commit 9419e700021a393f67be36abd0c4f3acc6139041 ] 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: a68a63cb4dfc ("irqchip/irq-mvebu-gicp: Add new driver for Marvell GICP") Signed-off-by: Miaoqian Lin <linmq006@xxxxxxxxx> Signed-off-by: Marc Zyngier <maz@xxxxxxxxxx> Link: https://lore.kernel.org/r/20230102084208.3951758-1-linmq006@xxxxxxxxx Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/drivers/irqchip/irq-mvebu-gicp.c b/drivers/irqchip/irq-mvebu-gicp.c index 3be5c5dba1dab..5caec411059f5 100644 --- a/drivers/irqchip/irq-mvebu-gicp.c +++ b/drivers/irqchip/irq-mvebu-gicp.c @@ -223,6 +223,7 @@ static int mvebu_gicp_probe(struct platform_device *pdev) } parent_domain = irq_find_host(irq_parent_dn); + of_node_put(irq_parent_dn); if (!parent_domain) { dev_err(&pdev->dev, "failed to find parent IRQ domain\n"); return -ENODEV;