diff options
Diffstat (limited to 'drivers/staging')
| -rw-r--r-- | drivers/staging/comedi/drivers/ni_mio_common.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/drivers/staging/comedi/drivers/ni_mio_common.c b/drivers/staging/comedi/drivers/ni_mio_common.c index 87995da00f61..4bbb9798af7e 100644 --- a/drivers/staging/comedi/drivers/ni_mio_common.c +++ b/drivers/staging/comedi/drivers/ni_mio_common.c @@ -1766,20 +1766,18 @@ static int ni_ai_reset(struct comedi_device *dev, struct comedi_subdevice *s) static int ni_ai_poll(struct comedi_device *dev, struct comedi_subdevice *s) { - unsigned long flags = 0; + unsigned long flags; int count; /* lock to avoid race with interrupt handler */ - if (in_interrupt() == 0) - spin_lock_irqsave(&dev->spinlock, flags); + spin_lock_irqsave(&dev->spinlock, flags); #ifndef PCIDMA ni_handle_fifo_dregs(dev); #else ni_sync_ai_dma(dev); #endif count = s->async->buf_write_count - s->async->buf_read_count; - if (in_interrupt() == 0) - spin_unlock_irqrestore(&dev->spinlock, flags); + spin_unlock_irqrestore(&dev->spinlock, flags); return count; } |