[PATCH] irqchip/gic-v2m: Fix refcount leak in gicv2m_of_init

[Ma Ke]

Add the missing of_node_put() to release the refcount incremented
by of_find_matching_node().

Cc: stable at vger.kernel.org
Fixes: 4266ab1a8ff5 ("irqchip/gic-v2m: Refactor to prepare for ACPI support")
Signed-off-by: Ma Ke <make24 at iscas.ac.cn>
---
 drivers/irqchip/irq-gic-v2m.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/irqchip/irq-gic-v2m.c b/drivers/irqchip/irq-gic-v2m.c
index 51af63c046ed..65a55ee7bb30 100644
--- a/drivers/irqchip/irq-gic-v2m.c
+++ b/drivers/irqchip/irq-gic-v2m.c
@@ -396,6 +396,7 @@ static int __init gicv2m_of_init(struct fwnode_handle *parent_handle,
 		ret = of_address_to_resource(child, 0, &res);
 		if (ret) {
 			pr_err("Failed to allocate v2m resource.\n");
+			of_node_put(child);
 			break;
 		}
 
-- 
2.25.1