irqchip/irq-mvebu-gicp: Fix refcount leak in mvebu_gicp_probe

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: a68a63c ("irqchip/irq-mvebu-gicp: Add new driver for Marvell GICP") Signed-off-by: Miaoqian Lin <[email protected]> Signed-off-by: Marc Zyngier <[email protected]> Link: https://lore.kernel.org/r/[email protected]
sedwards · Feb 5, 2023 · 9419e70 · 9419e70
1 parent 071d068
commit 9419e70
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/drivers/irqchip/irq-mvebu-gicp.c b/drivers/irqchip/irq-mvebu-gicp.c
@@ -221,6 +221,7 @@ static int mvebu_gicp_probe(struct platform_device *pdev)
 	}
 
 	parent_domain = irq_find_host(irq_parent_dn);
+	of_node_put(irq_parent_dn);
 	if (!parent_domain) {
 		dev_err(&pdev->dev, "failed to find parent IRQ domain\n");
 		return -ENODEV;