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irqchip/irq-mvebu-gicp: Fix refcount leak in mvebu_gicp_probe
author
Miaoqian Lin
<linmq006@gmail.com>
Mon, 2 Jan 2023 08:42:08 +0000
(12:42 +0400)
committer
Greg Kroah-Hartman
<gregkh@linuxfoundation.org>
Fri, 10 Mar 2023 08:33:00 +0000
(09:33 +0100)
[ 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@gmail.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link:
https://lore.kernel.org/r/20230102084208.3951758-1-linmq006@gmail.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/irqchip/irq-mvebu-gicp.c
patch
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diff --git
a/drivers/irqchip/irq-mvebu-gicp.c
b/drivers/irqchip/irq-mvebu-gicp.c
index
fe88a78
..
c43a345
100644
(file)
--- a/
drivers/irqchip/irq-mvebu-gicp.c
+++ b/
drivers/irqchip/irq-mvebu-gicp.c
@@
-221,6
+221,7
@@
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;