staging: comedi: fix signess bug

ai_count and ao_counter are unsigned, check for < 0 doesn't make sense.
Cast them to int.

Signed-off-by: Vasiliy Kulikov <segooon@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/staging/comedi/drivers/cb_pcidas64.c b/drivers/staging/comedi/drivers/cb_pcidas64.c
index 9b1dd3c..2583e16 100644 (file)
--- a/drivers/staging/comedi/drivers/cb_pcidas64.c
+++ b/drivers/staging/comedi/drivers/cb_pcidas64.c
@@ -3078,7 +3078,7 @@ static void handle_ai_interrupt(struct comedi_device *dev,
                        spin_unlock_irqrestore(&dev->spinlock, flags);
        }
        /*  if we are have all the data, then quit */
-       if ((cmd->stop_src == TRIG_COUNT && priv(dev)->ai_count <= 0) ||
+       if ((cmd->stop_src == TRIG_COUNT && (int)priv(dev)->ai_count <= 0) ||
            (cmd->stop_src == TRIG_EXT && (status & ADC_STOP_BIT))) {
                async->events |= COMEDI_CB_EOA;
        }

diff --git a/drivers/staging/comedi/drivers/usbdux.c b/drivers/staging/comedi/drivers/usbdux.c
index 4b320b1..6131e2d 100644 (file)
--- a/drivers/staging/comedi/drivers/usbdux.c
+++ b/drivers/staging/comedi/drivers/usbdux.c
@@ -649,7 +649,7 @@ static void usbduxsub_ao_IsocIrq(struct urb *urb)
 
        /* normal operation: executing a command in this subdevice */
        this_usbduxsub->ao_counter--;
-       if (this_usbduxsub->ao_counter <= 0) {
+       if ((int)this_usbduxsub->ao_counter <= 0) {
                /* timer zero */
                this_usbduxsub->ao_counter = this_usbduxsub->ao_timer;