From: Zhiwei Jiang <qq282012236@gmail.com>
Date: Tue, 22 Jan 2019 16:30:33 +0000 (+0800)
Subject: ath: move spin_lock_bh to spin_lock in tasklet
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=b789f333d7acaddb1d6d56c9c64416bbcbbc723a;p=openwrt%2Fstaging%2Fblogic.git

ath: move spin_lock_bh to spin_lock in tasklet

as you are already in a tasklet, it is unnecessary to call
spin_lock_bh, because softirq already disable BH.

Signed-off-by: Zhiwei Jiang <qq282012236@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
---

diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c b/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c
index 799010ed04e0..4e8e80ac8341 100644
--- a/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c
@@ -574,12 +574,12 @@ void ath9k_tx_failed_tasklet(unsigned long data)
 {
 	struct ath9k_htc_priv *priv = (struct ath9k_htc_priv *)data;
 
-	spin_lock_bh(&priv->tx.tx_lock);
+	spin_lock(&priv->tx.tx_lock);
 	if (priv->tx.flags & ATH9K_HTC_OP_TX_DRAIN) {
-		spin_unlock_bh(&priv->tx.tx_lock);
+		spin_unlock(&priv->tx.tx_lock);
 		return;
 	}
-	spin_unlock_bh(&priv->tx.tx_lock);
+	spin_unlock(&priv->tx.tx_lock);
 
 	ath9k_htc_tx_drainq(priv, &priv->tx.tx_failed);
 }