From: Miaoqian Lin linmq006@gmail.com
[ 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: e3825ba1af3a ("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 --- drivers/irqchip/irq-gic-v3.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/irqchip/irq-gic-v3.c b/drivers/irqchip/irq-gic-v3.c index 867a45aa0698..fd4fb1b35787 100644 --- a/drivers/irqchip/irq-gic-v3.c +++ b/drivers/irqchip/irq-gic-v3.c @@ -1905,12 +1905,15 @@ static void __init gic_populate_ppi_partitions(struct device_node *gic_node) continue;
cpu = of_cpu_node_to_id(cpu_node); - if (WARN_ON(cpu < 0)) + if (WARN_ON(cpu < 0)) { + of_node_put(cpu_node); continue; + }
pr_cont("%pOF[%d] ", cpu_node, cpu);
cpumask_set_cpu(cpu, &part->mask); + of_node_put(cpu_node); }
pr_cont("}\n");