[PATCH 5.10 14/30] net: dsa: Add missing of_node_put() in dsa_port_parse_of

Greg Kroah-Hartman
2022-03-21T14:11:30Z

From: Miaoqian Lin <linmq006@gmail.com>

[ Upstream commit cb0b430b4e3acc88c85e0ad2e25f2a25a5765262 ]

The device_node pointer is returned by of_parse_phandle() with refcount
incremented. We should use of_node_put() on it when done.

Fixes: 6d4e5c570c2d ("net: dsa: get port type at parse time")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Link: https://lore.kernel.org/r/20220316082602.10785-1-linmq006@gmail.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
net/dsa/dsa2.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/net/dsa/dsa2.c b/net/dsa/dsa2.c
index 71c8ef7d4087..f543fca6dfcb 100644
--- a/net/dsa/dsa2.c
+++ b/net/dsa/dsa2.c
@@ -766,6 +766,7 @@ static int dsa_port_parse_of(struct dsa_port *dp, struct device_node *dn)
struct net_device *master;

master = of_find_net_device_by_node(ethernet);
+ of_node_put(ethernet);
if (!master)
return -EPROBE_DEFER;

--
2.34.1