Complete() will be run with interrupt enabled, so change to
spin_lock_irqsave().
Cc: Marcel Holtmann <mar...@holtmann.org>
Cc: Gustavo Padovan <gust...@padovan.org>
Cc: Johan Hedberg <johan.hedb...@gmail.com>
Cc: linux-blueto...@vger.kernel.org
Signed-off-by: Ming Lei <ming....@canonical.com>
---
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 ea63958..018b8b0 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -573,6 +573,7 @@ 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);
@@ -586,9 +587,9 @@ 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
--
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