From 55f314120ef258c20c67259ae301113625ada1ed Mon Sep 17 00:00:00 2001
From: Lorenzo Bianconi <lorenzo@kernel.org>
Date: Sat, 19 Jun 2021 20:19:58 +0200
Subject: [PATCH] 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>
---
 mt7921/mcu.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/mt7921/mcu.c b/mt7921/mcu.c
index 1819de86..8e011214 100644
--- a/mt7921/mcu.c
+++ b/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);
 }