The caller already has the comedi_subdevice and comedi_cmd pointers. Pass
those variables to the helper function.

Signed-off-by: H Hartley Sweeten <hswee...@visionengravers.com>
Cc: Ian Abbott <abbo...@mev.co.uk>
Cc: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
 drivers/staging/comedi/drivers/cb_pcidas64.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/drivers/staging/comedi/drivers/cb_pcidas64.c 
b/drivers/staging/comedi/drivers/cb_pcidas64.c
index 63b00cf..035c3a1 100644
--- a/drivers/staging/comedi/drivers/cb_pcidas64.c
+++ b/drivers/staging/comedi/drivers/cb_pcidas64.c
@@ -3205,15 +3205,17 @@ static int prep_ao_dma(struct comedi_device *dev, const 
struct comedi_cmd *cmd)
        return 0;
 }
 
-static inline int external_ai_queue_in_use(struct comedi_device *dev)
+static inline int external_ai_queue_in_use(struct comedi_device *dev,
+                                          struct comedi_subdevice *s,
+                                          struct comedi_cmd *cmd)
 {
        const struct pcidas64_board *thisboard = comedi_board(dev);
 
-       if (dev->read_subdev->busy)
+       if (s->busy)
                return 0;
        if (thisboard->layout == LAYOUT_4020)
                return 0;
-       else if (use_internal_queue_6xxx(&dev->read_subdev->async->cmd))
+       else if (use_internal_queue_6xxx(cmd))
                return 0;
        return 1;
 }
@@ -3247,7 +3249,7 @@ static int ao_cmd(struct comedi_device *dev, struct 
comedi_subdevice *s)
        struct pcidas64_private *devpriv = dev->private;
        struct comedi_cmd *cmd = &s->async->cmd;
 
-       if (external_ai_queue_in_use(dev)) {
+       if (external_ai_queue_in_use(dev, s, cmd)) {
                warn_external_queue(dev);
                return -EBUSY;
        }
-- 
1.9.2

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