linux-kernel - [PATCH] irqchip/gic-v2m: Fix refcount leak in gicv2m_of

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Message-Id: <20231007075432.4002092-1-make_ruc2021@163.com>
Date:   Sat,  7 Oct 2023 15:54:32 +0800
From:   Ma Ke <make_ruc2021@....com>
To:     tglx@...utronix.de, maz@...nel.org
Cc:     linux-kernel@...r.kernel.org, Ma Ke <make_ruc2021@....com>
Subject: [PATCH] irqchip/gic-v2m: Fix refcount leak in gicv2m_of_init

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

Signed-off-by: Ma Ke <make_ruc2021@....com>
---
 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 f2ff4387870d..d3e54c557b4c 100644
--- a/drivers/irqchip/irq-gic-v2m.c
+++ b/drivers/irqchip/irq-gic-v2m.c
@@ -427,6 +427,7 @@ 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;
 		}
 
-- 
2.37.2