cdx: Fix device node reference leak in cdx_msi_domain_init

[ Upstream commit 76254bc489d39dae9a3427f0984fe64213d20548 ]

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

Fixes: 0e439ba38e61 ("cdx: add MSI support for CDX bus")
Cc: stable@vger.kernel.org
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Acked-by: Nipun Gupta <nipun.gupta@amd.com>
Link: https://lore.kernel.org/r/20250902084933.2418264-1-linmq006@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/cdx/cdx_msi.c b/drivers/cdx/cdx_msi.c
index 0bb32829d9084b8bb774568bfdb3cd2c979eddf2..d7bade143998e9963c8ce55b5f7b4b29c1c60eff 100644 (file)
--- a/drivers/cdx/cdx_msi.c
+++ b/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;