lkml.org 
[lkml]   [2015]   [Jan]   [29]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] staging: comedi: drivers: dyna_pci10xx: Removed variables that is never used
On 28/01/15 22:35, Rickard Strandqvist wrote:
> Variable ar assigned a value that is 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/dyna_pci10xx.c | 5 ++---
> 1 file changed, 2 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/staging/comedi/drivers/dyna_pci10xx.c b/drivers/staging/comedi/drivers/dyna_pci10xx.c
> index 1b6324c..8882423 100644
> --- a/drivers/staging/comedi/drivers/dyna_pci10xx.c
> +++ b/drivers/staging/comedi/drivers/dyna_pci10xx.c
> @@ -115,10 +115,9 @@ static int dyna_pci10xx_insn_write_ao(struct comedi_device *dev,
> {
> struct dyna_pci10xx_private *devpriv = dev->private;
> int n;
> - unsigned int chan, range;
>
> - chan = CR_CHAN(insn->chanspec);
> - range = range_codes_pci1050_ai[CR_RANGE((insn->chanspec))];
> + CR_CHAN(insn->chanspec);
> + range_codes_pci1050_ai[CR_RANGE((insn->chanspec))];

Both those lines produce compiler warnings, are not needed, don't belong
here and should be removed. The AO subdevice has a single, fixed range.

>
> mutex_lock(&devpriv->mutex);
> for (n = 0; n < insn->n; n++) {
>


--
-=( Ian Abbott @ MEV Ltd. E-mail: <abbotti@mev.co.uk> )=-
-=( Web: http://www.mev.co.uk/ )=-


\
 
 \ /
  Last update: 2015-01-29 16:41    [W:0.028 / U:0.304 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site