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* [PATCH v2] staging: comedi: drivers: usbduxsigma: Removed variables that is never used
@ 2015-01-29 22:50 Rickard Strandqvist
2015-01-30 10:52 ` Ian Abbott
0 siblings, 1 reply; 3+ messages in thread
From: Rickard Strandqvist @ 2015-01-29 22:50 UTC (permalink / raw)
To: Ian Abbott, H Hartley Sweeten
Cc: Rickard Strandqvist, Greg Kroah-Hartman, Bernd Porr,
Chase Southwood, devel, linux-kernel
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
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH v2] staging: comedi: drivers: usbduxsigma: Removed variables that is never used
2015-01-29 22:50 [PATCH v2] staging: comedi: drivers: usbduxsigma: Removed variables that is never used Rickard Strandqvist
@ 2015-01-30 10:52 ` Ian Abbott
2015-01-30 11:19 ` Bernd Porr
0 siblings, 1 reply; 3+ messages in thread
From: Ian Abbott @ 2015-01-30 10:52 UTC (permalink / raw)
To: Rickard Strandqvist, H Hartley Sweeten
Cc: Greg Kroah-Hartman, Bernd Porr, Chase Southwood, devel, linux-kernel
On 29/01/15 22:50, Rickard Strandqvist wrote:
> 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 */
>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
--
-=( Ian Abbott @ MEV Ltd. E-mail: <abbotti@mev.co.uk> )=-
-=( Web: http://www.mev.co.uk/ )=-
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH v2] staging: comedi: drivers: usbduxsigma: Removed variables that is never used
2015-01-30 10:52 ` Ian Abbott
@ 2015-01-30 11:19 ` Bernd Porr
0 siblings, 0 replies; 3+ messages in thread
From: Bernd Porr @ 2015-01-30 11:19 UTC (permalink / raw)
To: Ian Abbott
Cc: Rickard Strandqvist, H Hartley Sweeten, Greg Kroah-Hartman,
Chase Southwood, devel, linux-kernel
Ian Abbott wrote:
> On 29/01/15 22:50, Rickard Strandqvist wrote:
>> 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 */
>>
>
> Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
>
Reviewed-by: Bernd Porr <mail@berndporr.me.uk>
^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2015-01-30 11:19 UTC | newest]
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2015-01-29 22:50 [PATCH v2] staging: comedi: drivers: usbduxsigma: Removed variables that is never used Rickard Strandqvist
2015-01-30 10:52 ` Ian Abbott
2015-01-30 11:19 ` Bernd Porr
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