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 4.14-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-4.14 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit c7dab20b29428d6d9710e00be3ca6e3ef7b03b69
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 17a4a7b6cdbb9..6d9761423cbd6 100644
--- a/drivers/irqchip/irq-mvebu-gicp.c
+++ b/drivers/irqchip/irq-mvebu-gicp.c
@@ -239,6 +239,7 @@ 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;
