From: Lorenzo Bianconi Date: Sat, 19 Jun 2021 18:19:58 +0000 (+0200) Subject: mt76: mt7921: avoid unnecessary spin_lock/spin_unlock in mt7921_mcu_tx_done_event X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=305023510f13afae8a0cb8118eb53c6056764781;p=linux.git 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 Signed-off-by: Felix Fietkau --- diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c index 68840e55ede7a..f32b672f9c3e2 100644 --- 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); }