Re: [PATCH] staging: comedi: drivers: addi-data: hwdrv_apci3501: Removed variables that is never used

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



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@xxxxxxxxxxxxxxxxxx>
---
  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@xxxxxxxxx> )=-
-=(                          Web: http://www.mev.co.uk/  )=-
_______________________________________________
devel mailing list
devel@xxxxxxxxxxxxxxxxxxxxxx
http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel




[Index of Archives]     [Linux Driver Backports]     [DMA Engine]     [Linux GPIO]     [Linux SPI]     [Video for Linux]     [Linux USB Devel]     [Linux Coverity]     [Linux Audio Users]     [Linux Kernel]     [Linux SCSI]     [Yosemite Backpacking]
  Powered by Linux