struct lego_usb_tower *dev = urb->context;
int status = urb->status;
int retval;
+ unsigned long flags;
lego_usb_tower_debug_data(&dev->udev->dev, __func__,
urb->actual_length, urb->transfer_buffer);
}
if (urb->actual_length > 0) {
- spin_lock (&dev->read_buffer_lock);
+ spin_lock_irqsave(&dev->read_buffer_lock, flags);
if (dev->read_buffer_length + urb->actual_length < read_buffer_size) {
memcpy (dev->read_buffer + dev->read_buffer_length,
dev->interrupt_in_buffer,
pr_warn("read_buffer overflow, %d bytes dropped\n",
urb->actual_length);
}
- spin_unlock (&dev->read_buffer_lock);
+ spin_unlock_irqrestore(&dev->read_buffer_lock, flags);
}
resubmit: