mt76: mt7921: avoid unnecessary spin_lock/spin_unlock in mt7921_mcu_tx_done_event

Do not grab the spinlock in mt7921_mcu_tx_done_event routine if not
necessary.

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c
index 68840e55ede7ab073bcd9e9738107e8e397bfa66..f32b672f9c3e214029963e16351017ff46b89316 100644 (file)
--- a/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c
@@ -534,9 +534,7 @@ mt7921_mcu_tx_done_event(struct mt7921_dev *dev, struct sk_buff *skb)
                mt7921_mcu_tx_rate_parse(mphy->mt76, &peer,
                                         &msta->stats.tx_rate,
                                         le16_to_cpu(event->tx_rate));
-
-               spin_lock_bh(&dev->sta_poll_lock);
-               break;
+               return;
        }
        spin_unlock_bh(&dev->sta_poll_lock);
 }