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irqchip/apple-aic: Fix refcount leak in build_fiq_affinity

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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@gmail.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20220601080930.31005-3-linmq006@gmail.com
This commit is contained in:
Miaoqian Lin 2022-06-01 12:09:26 +04:00 committed by Marc Zyngier
parent f4b98e3148
commit b1ac803f47
1 changed files with 1 additions and 0 deletions
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drivers/irqchip/irq-apple-aic.c
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@ -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;