X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=drivers%2Fnet%2Fwireless%2Fp54%2Fp54spi.c;h=7faed62c63786a629c64cfbd423dc228227e8768;hb=d7a4858c0fde8383f7aa494eda0fba6bef3f2fec;hp=546551389a1dad4c8d9e2c1c7d89a792b88f3b2f;hpb=ba5736a5e9ac20c378ae4179e8a0ed3cc4b44351;p=firefly-linux-kernel-4.4.55.git

diff --git a/drivers/net/wireless/p54/p54spi.c b/drivers/net/wireless/p54/p54spi.c
index 546551389a1d..7faed62c6378 100644
--- a/drivers/net/wireless/p54/p54spi.c
+++ b/drivers/net/wireless/p54/p54spi.c
@@ -584,8 +584,6 @@ static void p54spi_op_stop(struct ieee80211_hw *dev)
 	mutex_lock(&priv->mutex);
 	WARN_ON(priv->fw_state != FW_STATE_READY);
 
-	cancel_work_sync(&priv->work);
-
 	p54spi_power_off(priv);
 	spin_lock_irqsave(&priv->tx_lock, flags);
 	INIT_LIST_HEAD(&priv->tx_pending);
@@ -593,6 +591,8 @@ static void p54spi_op_stop(struct ieee80211_hw *dev)
 
 	priv->fw_state = FW_STATE_OFF;
 	mutex_unlock(&priv->mutex);
+
+	cancel_work_sync(&priv->work);
 }
 
 static int __devinit p54spi_probe(struct spi_device *spi)
@@ -652,6 +652,7 @@ static int __devinit p54spi_probe(struct spi_device *spi)
 	init_completion(&priv->fw_comp);
 	INIT_LIST_HEAD(&priv->tx_pending);
 	mutex_init(&priv->mutex);
+	spin_lock_init(&priv->tx_lock);
 	SET_IEEE80211_DEV(hw, &spi->dev);
 	priv->common.open = p54spi_op_start;
 	priv->common.stop = p54spi_op_stop;