cdx: Fix device node reference leak in cdx_msi_domain_init

Add missing of_node_put() call to release
the device node reference obtained via of_parse_phandle().

Fixes: 0e439ba ("cdx: add MSI support for CDX bus")
Cc: [email protected]
Signed-off-by: Miaoqian Lin <[email protected]>
Acked-by: Nipun Gupta <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>

Author: Yuuoniy

drivers/cdx/cdx_msi.c

@@ -174,6 +174,7 @@ struct irq_domain *cdx_msi_domain_init(struct device *dev)
 	}
 
 	parent = irq_find_matching_fwnode(of_fwnode_handle(parent_node), DOMAIN_BUS_NEXUS);
+	of_node_put(parent_node);
 	if (!parent || !msi_get_domain_info(parent)) {
 		dev_err(dev, "unable to locate ITS domain\n");
 		return NULL;