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irqchip/alpine-msi: Fix refcount leak in alpine_msix_init_domains

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[ Upstream commit 071d068b89e95d1b078aa6bbcb9d0961b77d6aa1 ]

of_irq_find_parent() returns a node pointer with refcount incremented,
We should use of_node_put() on it when not needed anymore.
Add missing of_node_put() to avoid refcount leak.

Fixes: e6b78f2c3e ("irqchip: Add the Alpine MSIX interrupt controller")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20230102082811.3947760-1-linmq006@gmail.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Miaoqian Lin 2023-01-02 12:28:10 +04:00 committed by Greg Kroah-Hartman
parent ea54b608d8
commit 65e30bd131
1 changed files with 1 additions and 0 deletions
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drivers/irqchip/irq-alpine-msi.c
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@ -199,6 +199,7 @@ static int alpine_msix_init_domains(struct alpine_msix_data *priv,
}
gic_domain = irq_find_host(gic_node);
of_node_put(gic_node);
if (!gic_domain) {
pr_err("Failed to find the GIC domain\n");
return -ENXIO;