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authorMiaoqian Lin <linmq006@gmail.com>2023-01-02 12:56:10 +0400
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2023-03-10 09:33:00 +0100
commita0d91a48e1a020fb636f0fcaf44672f123bb0799 (patch)
treee625d19da336945c5eb26a600177aeadae2984ba /drivers/irqchip
parentbb755e020abc24793b9411c9419ed43f07f9a03d (diff)
downloadlinux-a0d91a48e1a020fb636f0fcaf44672f123bb0799.tar.gz
irqchip/ti-sci: Fix refcount leak in ti_sci_intr_irq_domain_probe
[ 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 <linmq006@gmail.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20230102085611.3955984-1-linmq006@gmail.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/irqchip')
-rw-r--r--drivers/irqchip/irq-ti-sci-intr.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/irqchip/irq-ti-sci-intr.c b/drivers/irqchip/irq-ti-sci-intr.c
index fe8fad22bcf9..020ddf29efb8 100644
--- a/drivers/irqchip/irq-ti-sci-intr.c
+++ b/drivers/irqchip/irq-ti-sci-intr.c
@@ -236,6 +236,7 @@ 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;