Remove the BUG_ON(counter == NULL). If this can never happen and it if did the driver should have died long before this function is called. For aesthetics, rename the local variable 'retval' to simply 'ret'. Signed-off-by: H Hartley Sweeten <hsweeten@xxxxxxxxxxxxxxxxxxx> Cc: Ian Abbott <abbotti@xxxxxxxxx> Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/staging/comedi/drivers/ni_tiocmd.c | 14 ++++++-------- 1 file changed, 6 insertions(+), 8 deletions(-) diff --git a/drivers/staging/comedi/drivers/ni_tiocmd.c b/drivers/staging/comedi/drivers/ni_tiocmd.c index 16858fb..334ce35 100644 --- a/drivers/staging/comedi/drivers/ni_tiocmd.c +++ b/drivers/staging/comedi/drivers/ni_tiocmd.c @@ -92,9 +92,7 @@ static int ni_tio_input_inttrig(struct comedi_device *dev, struct ni_gpct *counter = s->private; struct comedi_cmd *cmd = &s->async->cmd; unsigned long flags; - int retval = 0; - - BUG_ON(counter == NULL); + int ret = 0; if (trig_num != cmd->start_src) return -EINVAL; @@ -103,14 +101,14 @@ static int ni_tio_input_inttrig(struct comedi_device *dev, if (counter->mite_chan) mite_dma_arm(counter->mite_chan); else - retval = -EIO; + ret = -EIO; spin_unlock_irqrestore(&counter->lock, flags); - if (retval < 0) - return retval; - retval = ni_tio_arm(counter, 1, NI_GPCT_ARM_IMMEDIATE); + if (ret < 0) + return ret; + ret = ni_tio_arm(counter, 1, NI_GPCT_ARM_IMMEDIATE); s->async->inttrig = NULL; - return retval; + return ret; } static int ni_tio_input_cmd(struct comedi_subdevice *s) -- 2.0.3 _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
