[PATCH] net: marvell: prestera: Add missing of_node_put() in prestera_switch_set_base_mac_addr

From: Miaoqian Lin
Date: Tue Mar 08 2022 - 02:42:58 EST


This node pointer is returned by of_find_compatible_node() with
refcount incremented. Calling of_node_put() to aovid the refcount leak.

Fixes: 501ef3066c89 ("net: marvell: prestera: Add driver for Prestera family ASIC devices")
Signed-off-by: Miaoqian Lin <linmq006@xxxxxxxxx>
---
drivers/net/ethernet/marvell/prestera/prestera_main.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/net/ethernet/marvell/prestera/prestera_main.c b/drivers/net/ethernet/marvell/prestera/prestera_main.c
index cad93f747d0c..73cd0a4b7291 100644
--- a/drivers/net/ethernet/marvell/prestera/prestera_main.c
+++ b/drivers/net/ethernet/marvell/prestera/prestera_main.c
@@ -554,6 +554,7 @@ static int prestera_switch_set_base_mac_addr(struct prestera_switch *sw)
dev_info(prestera_dev(sw), "using random base mac address\n");
}
of_node_put(base_mac_np);
+ of_node_put(np);

return prestera_hw_switch_mac_set(sw, sw->base_mac);
}
--
2.17.1