[PATCH] ath: move spin_lock_bh to spin_lock in tasklet

Zhiwei Jiang
2019-01-19T10:55:54Z

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>
---
drivers/net/wireless/ath/ath9k/htc_drv_txrx.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c b/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c
index 799010ed04e0..4e38276ed0d3 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);
return;
}
- spin_unlock_bh(&priv->tx.tx_lock);
+ spin_unlock(&priv->tx.tx_lock);

ath9k_htc_tx_drainq(priv, &priv->tx.tx_failed);
}
--
2.19.0