[PATCH v1 24/49] BT: btusb: prepare for enabling irq in complete()

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Complete() will be run with interrupt enabled, so change to
spin_lock_irqsave().

Cc: Marcel Holtmann <marcel@xxxxxxxxxxxx>
Cc: Gustavo Padovan <gustavo@xxxxxxxxxxx>
Cc: Johan Hedberg <johan.hedberg@xxxxxxxxx>
Cc: linux-bluetooth@xxxxxxxxxxxxxxx
Signed-off-by: Ming Lei <ming.lei@xxxxxxxxxxxxx>
---
 drivers/bluetooth/btusb.c |    5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index 8e16f0a..5be2def 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -576,6 +576,7 @@ static void btusb_tx_complete(struct urb *urb)
 	struct sk_buff *skb = urb->context;
 	struct hci_dev *hdev = (struct hci_dev *) skb->dev;
 	struct btusb_data *data = hci_get_drvdata(hdev);
+	unsigned long flags;
 
 	BT_DBG("%s urb %p status %d count %d", hdev->name,
 					urb, urb->status, urb->actual_length);
@@ -589,9 +590,9 @@ static void btusb_tx_complete(struct urb *urb)
 		hdev->stat.err_tx++;
 
 done:
-	spin_lock(&data->txlock);
+	spin_lock_irqsave(&data->txlock, flags);
 	data->tx_in_flight--;
-	spin_unlock(&data->txlock);
+	spin_unlock_irqrestore(&data->txlock, flags);
 
 	kfree(urb->setup_packet);
 
-- 
1.7.9.5

--
To unsubscribe from this list: send the line "unsubscribe linux-usb" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html




[Index of Archives]     [Linux Media]     [Linux Input]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [Old Linux USB Devel Archive]

  Powered by Linux