mediatek: mt76: eeprom: fix missing of_node_put() in mt76_find_power_limits_node()

[ Upstream commit 3bd53ea02d77917c2314ec7be9e2d05be22f87d3 ]

We should use of_node_put() for the reference 'np' returned by
of_get_child_by_name() which will increase the refcount.

Fixes: 22b980badc0f ("mt76: add functions for parsing rate power limits from DT")
Signed-off-by: Liang He <windhl@126.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/net/wireless/mediatek/mt76/eeprom.c b/drivers/net/wireless/mediatek/mt76/eeprom.c
index 3b47e85..db0cd56 100644 (file)
--- a/drivers/net/wireless/mediatek/mt76/eeprom.c
+++ b/drivers/net/wireless/mediatek/mt76/eeprom.c
@@ -146,10 +146,13 @@ mt76_find_power_limits_node(struct mt76_dev *dev)
                }
 
                if (mt76_string_prop_find(country, dev->alpha2) ||
-                   mt76_string_prop_find(regd, region_name))
+                   mt76_string_prop_find(regd, region_name)) {
+                       of_node_put(np);
                        return cur;
+               }
        }
 
+       of_node_put(np);
        return fallback;
 }