linux-kernel - [PATCH 2/3] irqchip/gic-v3: fix missing of_node_put() in gic_populate_ppi

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Message-ID: <20220509063206.3147124-2-yangyingliang@huawei.com>
Date:   Mon, 9 May 2022 14:32:05 +0800
From:   Yang Yingliang <yangyingliang@...wei.com>
To:     <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>
CC:     <tglx@...utronix.de>, <maz@...nel.org>
Subject: [PATCH 2/3] irqchip/gic-v3: fix missing of_node_put() in gic_populate_ppi_part()

If kcalloc() fails, refcount of 'parts_node' should be decreased.

Fixes: 52085d3f2028 ("irqchip/gic-v3: Dynamically allocate PPI partition descriptors")
Reported-by: Hulk Robot <hulkci@...wei.com>
Signed-off-by: Yang Yingliang <yangyingliang@...wei.com>
---
 drivers/irqchip/irq-gic-v3.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/irqchip/irq-gic-v3.c b/drivers/irqchip/irq-gic-v3.c
index fda39adc7cd6..0e23dc8bafcf 100644
--- a/drivers/irqchip/irq-gic-v3.c
+++ b/drivers/irqchip/irq-gic-v3.c
@@ -1866,7 +1866,7 @@ static void __init gic_populate_ppi_partitions(struct device_node *gic_node)
 
 	gic_data.ppi_descs = kcalloc(gic_data.ppi_nr, sizeof(*gic_data.ppi_descs), GFP_KERNEL);
 	if (!gic_data.ppi_descs)
-		return;
+		goto out_put_node;
 
 	nr_parts = of_get_child_count(parts_node);
 
-- 
2.25.1