[PATCH 2/6] irqchip/apple-aic: Fix refcount leak in build_fiq_affinity
From: Miaoqian Lin
Date: Wed Jun 01 2022 - 04:11:51 EST
of_find_node_by_phandle() returns a node pointer with refcount
incremented, we should use of_node_put() on it when not need anymore.
Add missing of_node_put() to avoid refcount leak.
Fixes: a5e8801202b3 ("irqchip/apple-aic: Parse FIQ affinities from device-tree")
Signed-off-by: Miaoqian Lin <linmq006@xxxxxxxxx>
---
drivers/irqchip/irq-apple-aic.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/irqchip/irq-apple-aic.c b/drivers/irqchip/irq-apple-aic.c
index 12dd48727a15..478d0af16d9f 100644
--- a/drivers/irqchip/irq-apple-aic.c
+++ b/drivers/irqchip/irq-apple-aic.c
@@ -1035,6 +1035,7 @@ static void build_fiq_affinity(struct aic_irq_chip *ic, struct device_node *aff)
continue;
cpu = of_cpu_node_to_id(cpu_node);
+ of_node_put(cpu_node);
if (WARN_ON(cpu < 0))
continue;
--
2.25.1