staging: comedi: amplc_pci224: use comedi_cmd pointer

Use the local variable to access the comedi_cmd as a pointer in
pci224_ao_munge() instead of getting to it from the comedi_async
pointer.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/comedi/drivers/amplc_pci224.c b/drivers/staging/comedi/drivers/amplc_pci224.c
index e8beeab..44904fd 100644 (file)
--- a/drivers/staging/comedi/drivers/amplc_pci224.c
+++ b/drivers/staging/comedi/drivers/amplc_pci224.c
@@ -987,7 +987,7 @@ pci224_ao_munge(struct comedi_device *dev, struct comedi_subdevice *s,
 {
        const struct pci224_board *thisboard = comedi_board(dev);
        struct pci224_private *devpriv = dev->private;
-       struct comedi_async *async = s->async;
+       struct comedi_cmd *cmd = &s->async->cmd;
        unsigned short *array = data;
        unsigned int length = num_bytes / sizeof(*array);
        unsigned int offset;
@@ -997,7 +997,7 @@ pci224_ao_munge(struct comedi_device *dev, struct comedi_subdevice *s,
        /* The hardware expects 16-bit numbers. */
        shift = 16 - thisboard->ao_bits;
        /* Channels will be all bipolar or all unipolar. */
-       if ((devpriv->hwrange[CR_RANGE(async->cmd.chanlist[0])] &
+       if ((devpriv->hwrange[CR_RANGE(cmd->chanlist[0])] &
             PCI224_DACCON_POLAR_MASK) == PCI224_DACCON_POLAR_UNI) {
                /* Unipolar */
                offset = 0;