Re: [PATCH] staging: comedi: drivers: addi_apci_3501: Removed variables that is never used

2015-01-29 Thread Ian Abbott

On 28/01/15 22:33, 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 
---
  drivers/staging/comedi/drivers/addi_apci_3501.c |3 +--
  1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/staging/comedi/drivers/addi_apci_3501.c 
b/drivers/staging/comedi/drivers/addi_apci_3501.c
index a726efc..0cdcecc 100644
--- a/drivers/staging/comedi/drivers/addi_apci_3501.c
+++ b/drivers/staging/comedi/drivers/addi_apci_3501.c
@@ -267,7 +267,6 @@ static irqreturn_t apci3501_interrupt(int irq, void *d)
struct apci3501_private *devpriv = dev->private;
unsigned int ui_Timer_AOWatchdog;
unsigned long ul_Command1;
-   int i_temp;

/*  Disable Interrupt */
ul_Command1 = inl(dev->iobase + APCI3501_TIMER_CTRL_REG);
@@ -285,7 +284,7 @@ static irqreturn_t apci3501_interrupt(int irq, void *d)
ul_Command1 = inl(dev->iobase + APCI3501_TIMER_CTRL_REG);
ul_Command1 = ((ul_Command1 & 0xF9FDul) | 1 << 1);
outl(ul_Command1, dev->iobase + APCI3501_TIMER_CTRL_REG);
-   i_temp = inl(dev->iobase + APCI3501_TIMER_STATUS_REG) & 0x1;
+   inl(dev->iobase + APCI3501_TIMER_STATUS_REG) & 0x1;


Same as for hwdrv_apci3501.c, the ' & 0x1' part should be removed to 
avoid compiler warnings.


Keep the inl() call as it might have side-effects for the watchdog 
functionality of the board.




return IRQ_HANDLED;
  }




--
-=( Ian Abbott @ MEV Ltd.E-mail:  )=-
-=(  Web: http://www.mev.co.uk/  )=-
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Re: [PATCH] staging: comedi: drivers: addi_apci_3501: Removed variables that is never used

2015-01-29 Thread Ian Abbott

On 28/01/15 22:33, 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_strandqv...@spectrumdigital.se
---
  drivers/staging/comedi/drivers/addi_apci_3501.c |3 +--
  1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/staging/comedi/drivers/addi_apci_3501.c 
b/drivers/staging/comedi/drivers/addi_apci_3501.c
index a726efc..0cdcecc 100644
--- a/drivers/staging/comedi/drivers/addi_apci_3501.c
+++ b/drivers/staging/comedi/drivers/addi_apci_3501.c
@@ -267,7 +267,6 @@ static irqreturn_t apci3501_interrupt(int irq, void *d)
struct apci3501_private *devpriv = dev-private;
unsigned int ui_Timer_AOWatchdog;
unsigned long ul_Command1;
-   int i_temp;

/*  Disable Interrupt */
ul_Command1 = inl(dev-iobase + APCI3501_TIMER_CTRL_REG);
@@ -285,7 +284,7 @@ static irqreturn_t apci3501_interrupt(int irq, void *d)
ul_Command1 = inl(dev-iobase + APCI3501_TIMER_CTRL_REG);
ul_Command1 = ((ul_Command1  0xF9FDul) | 1  1);
outl(ul_Command1, dev-iobase + APCI3501_TIMER_CTRL_REG);
-   i_temp = inl(dev-iobase + APCI3501_TIMER_STATUS_REG)  0x1;
+   inl(dev-iobase + APCI3501_TIMER_STATUS_REG)  0x1;


Same as for hwdrv_apci3501.c, the '  0x1' part should be removed to 
avoid compiler warnings.


Keep the inl() call as it might have side-effects for the watchdog 
functionality of the board.




return IRQ_HANDLED;
  }




--
-=( Ian Abbott @ MEV Ltd.E-mail: abbo...@mev.co.uk )=-
-=(  Web: http://www.mev.co.uk/  )=-
--
To unsubscribe from this list: send the line unsubscribe linux-kernel in
the body of a message to majord...@vger.kernel.org
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Please read the FAQ at  http://www.tux.org/lkml/