@@ -598,6 +598,7 @@ static void kaweth_usb_receive(struct urb *urb)
struct kaweth_device *kaweth = urb->context;
struct net_device *net = kaweth->net;
int status = urb->status;
+ unsigned long flags;
int count = urb->actual_length;
int count2 = urb->transfer_buffer_length;
@@ -630,12 +631,12 @@ static void kaweth_usb_receive(struct urb *urb)
kaweth->stats.rx_errors++;
dev_dbg(dev, "Status was -EOVERFLOW.\n");
}
- spin_lock(&kaweth->device_lock);
+ spin_lock_irqsave(&kaweth->device_lock, flags);
if (IS_BLOCKED(kaweth->status)) {
- spin_unlock(&kaweth->device_lock);
+ spin_unlock_irqrestore(&kaweth->device_lock, flags);
return;
}
- spin_unlock(&kaweth->device_lock);
+ spin_unlock_irqrestore(&kaweth->device_lock, flags);
if(status && status != -EREMOTEIO && count != 1) {
dev_err(&kaweth->intf->dev,
Complete() will be run with interrupt enabled, so change to spin_lock_irqsave(). Cc: netdev@vger.kernel.org Signed-off-by: Ming Lei <ming.lei@canonical.com> --- drivers/net/usb/kaweth.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-)