* [PATCH] staging: comedi: drivers: addi-data: hwdrv_apci3501: Removed variables that is never used
@ 2015-01-28 21:51 Rickard Strandqvist
2015-01-29 15:14 ` Ian Abbott
0 siblings, 1 reply; 2+ messages in thread
From: Rickard Strandqvist @ 2015-01-28 21:51 UTC (permalink / raw)
To: Ian Abbott, H Hartley Sweeten
Cc: Rickard Strandqvist, Greg Kroah-Hartman, Chase Southwood,
Marcin Kostrzewa, Fred Akers, devel, linux-kernel
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/addi-data/hwdrv_apci3501.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3501.c b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3501.c
index 339519a..24126e3 100644
--- a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3501.c
+++ b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3501.c
@@ -93,7 +93,6 @@ static int apci3501_write_insn_timer(struct comedi_device *dev,
{
struct apci3501_private *devpriv = dev->private;
unsigned int ul_Command1 = 0;
- int i_Temp;
if (devpriv->b_TimerSelectMode == ADDIDATA_WATCHDOG) {
@@ -135,7 +134,7 @@ static int apci3501_write_insn_timer(struct comedi_device *dev,
}
}
- i_Temp = inl(dev->iobase + APCI3501_TIMER_STATUS_REG) & 0x1;
+ inl(dev->iobase + APCI3501_TIMER_STATUS_REG) & 0x1;
return insn->n;
}
--
1.7.10.4
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] staging: comedi: drivers: addi-data: hwdrv_apci3501: Removed variables that is never used
2015-01-28 21:51 [PATCH] staging: comedi: drivers: addi-data: hwdrv_apci3501: Removed variables that is never used Rickard Strandqvist
@ 2015-01-29 15:14 ` Ian Abbott
0 siblings, 0 replies; 2+ messages in thread
From: Ian Abbott @ 2015-01-29 15:14 UTC (permalink / raw)
To: Rickard Strandqvist, H Hartley Sweeten
Cc: Greg Kroah-Hartman, Chase Southwood, Marcin Kostrzewa,
Fred Akers, devel, linux-kernel
On 28/01/15 21:51, 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/addi-data/hwdrv_apci3501.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3501.c b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3501.c
> index 339519a..24126e3 100644
> --- a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3501.c
> +++ b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3501.c
> @@ -93,7 +93,6 @@ static int apci3501_write_insn_timer(struct comedi_device *dev,
> {
> struct apci3501_private *devpriv = dev->private;
> unsigned int ul_Command1 = 0;
> - int i_Temp;
>
> if (devpriv->b_TimerSelectMode == ADDIDATA_WATCHDOG) {
>
> @@ -135,7 +134,7 @@ static int apci3501_write_insn_timer(struct comedi_device *dev,
> }
> }
>
> - i_Temp = inl(dev->iobase + APCI3501_TIMER_STATUS_REG) & 0x1;
> + inl(dev->iobase + APCI3501_TIMER_STATUS_REG) & 0x1;
The ' & 0x1' part produces compiler warnings and should be removed.
I don't know if the inl() call has any side-effects or not, but since
it's part of the watchdog functionality of this board, it's safest to
leave it in.
> return insn->n;
> }
>
>
--
-=( Ian Abbott @ MEV Ltd. E-mail: <abbotti@mev.co.uk> )=-
-=( Web: http://www.mev.co.uk/ )=-
^ permalink raw reply [flat|nested] 2+ messages in thread
end of thread, other threads:[~2015-01-29 15:15 UTC | newest]
Thread overview: 2+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2015-01-28 21:51 [PATCH] staging: comedi: drivers: addi-data: hwdrv_apci3501: Removed variables that is never used Rickard Strandqvist
2015-01-29 15:14 ` Ian Abbott
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.