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    Subject[PATCH v2] staging: comedi: drivers: usbduxsigma: Removed variables that is never used
    Date
    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>
    ---
    drivers/staging/comedi/drivers/usbduxsigma.c | 4 ----
    1 file changed, 4 deletions(-)

    diff --git a/drivers/staging/comedi/drivers/usbduxsigma.c b/drivers/staging/comedi/drivers/usbduxsigma.c
    index dc19435..185f2d1 100644
    --- a/drivers/staging/comedi/drivers/usbduxsigma.c
    +++ b/drivers/staging/comedi/drivers/usbduxsigma.c
    @@ -215,7 +215,6 @@ 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;
    @@ -224,9 +223,6 @@ 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 */
    --
    1.7.10.4


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