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staging: comedi: drivers: usbduxsigma: Removed variables that is never used 

Variable was assigned a value that was never used.
I have also removed all the code that thereby serves no purpose.

This was found using a static code analysis program called cppcheck

Signed-off-by: Rickard Strandqvist <rickard_strandqvist@spectrumdigital.se>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Reviewed-by: Bernd Porr <mail@berndporr.me.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Rickard Strandqvist 2015-01-29 23:50:09 +01:00 committed by Greg Kroah-Hartman
parent ba9b6ef405
commit 3caef5a4ca
1 changed files with 0 additions and 4 deletions
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4
drivers/staging/comedi/drivers/usbduxsigma.c
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@ -214,7 +214,6 @@ static void usbduxsigma_ai_handle_urb(struct comedi_device *dev,
struct usbduxsigma_private *devpriv = dev->private;
struct comedi_async *async = s->async;
struct comedi_cmd *cmd = &async->cmd;
unsigned int dio_state;
uint32_t val;
int ret;
int i;
@ -223,9 +222,6 @@ static void usbduxsigma_ai_handle_urb(struct comedi_device *dev,
if (devpriv->ai_counter == 0) {
devpriv->ai_counter = devpriv->ai_timer;
/* get the state of the dio pins to allow external trigger */
dio_state = be32_to_cpu(devpriv->in_buf[0]);
/* get the data from the USB bus and hand it over to comedi */
for (i = 0; i < cmd->chanlist_len; i++) {
/* transfer data, note first byte is the DIO state */