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irqchip/gic-v3: Fix refcount leak in gic_populate_ppi_partitions

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[ Upstream commit fa1ad9d4cc47ca2470cd904ad4519f05d7e43a2b ]

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: e3825ba1af ("irqchip/gic-v3: Add support for partitioned PPIs")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20220601080930.31005-6-linmq006@gmail.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Miaoqian Lin
2022-06-01 12:09:29 +04:00
committed by Greg Kroah-Hartman
parent 7c9dd9d23f
commit 506a88a5bf
1 changed files with 4 additions and 1 deletions
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5
drivers/irqchip/irq-gic-v3.c
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@@ -1872,12 +1872,15 @@ static void __init gic_populate_ppi_partitions(struct device_node *gic_node)
continue; continue;
cpu = of_cpu_node_to_id(cpu_node); cpu = of_cpu_node_to_id(cpu_node);
if (WARN_ON(cpu < 0)) if (WARN_ON(cpu < 0)) {
of_node_put(cpu_node);
continue; continue;
}
pr_cont("%pOF[%d] ", cpu_node, cpu); pr_cont("%pOF[%d] ", cpu_node, cpu);
cpumask_set_cpu(cpu, &part->mask); cpumask_set_cpu(cpu, &part->mask);
of_node_put(cpu_node);
} }
pr_cont("}\n"); pr_cont("}\n");