Remove tim_len in mt7615_mcu_set_bcn since it is not actually used
and ieee80211_beacon_get_tim checks if tim_length is NULL

Signed-off-by: Lorenzo Bianconi <[email protected]>
---
 drivers/net/wireless/mediatek/mt76/mt7615/mcu.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c 
b/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c
index 93b1501fbcda..d104435cd901 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c
@@ -1130,10 +1130,10 @@ int mt7615_mcu_set_bcn(struct mt7615_dev *dev, struct 
ieee80211_vif *vif,
                /* pky_type: 0 for bcn, 1 for tim */
                .pkt_type = 0,
        };
-       u16 tim_off, tim_len;
        struct sk_buff *skb;
+       u16 tim_off;
 
-       skb = ieee80211_beacon_get_tim(mt76_hw(dev), vif, &tim_off, &tim_len);
+       skb = ieee80211_beacon_get_tim(mt76_hw(dev), vif, &tim_off, NULL);
        if (!skb)
                return -EINVAL;
 
-- 
2.21.0

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