staging: comedi: amplc_pci230: use comedi_cmd pointer

Use the local variable to access the comedi_cmd as a pointer in
pci230_handle_ai() 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_pci230.c b/drivers/staging/comedi/drivers/amplc_pci230.c
index d6f6a7a..9c82543 100644 (file)
--- a/drivers/staging/comedi/drivers/amplc_pci230.c
+++ b/drivers/staging/comedi/drivers/amplc_pci230.c
@@ -2151,14 +2151,14 @@ static void pci230_handle_ai(struct comedi_device *dev,
                             struct comedi_subdevice *s)
 {
        struct pci230_private *devpriv = dev->private;
-       struct comedi_cmd *cmd = &s->async->cmd;
+       struct comedi_async *async = s->async;
+       struct comedi_cmd *cmd = &async->cmd;
+       unsigned int scanlen = cmd->scan_end_arg;
        unsigned int events = 0;
        unsigned int status_fifo;
        unsigned int i;
        unsigned int todo;
        unsigned int fifoamount;
-       struct comedi_async *async = s->async;
-       unsigned int scanlen = async->cmd.scan_end_arg;
 
        /* Determine number of samples to read. */
        if (cmd->stop_src != TRIG_COUNT) {