diff options
| author | H Hartley Sweeten <hsweeten@visionengravers.com> | 2015-03-04 12:15:39 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-03-06 16:01:29 -0800 |
| commit | 56e97078602996123d849b7621442a934aa19b77 (patch) | |
| tree | 82a46276e3dd3da5aeefe4d501c1ee59ee148379 /drivers | |
| parent | 9bacea57f445a2bc199401d1149d6f323c531028 (diff) | |
staging: comedi: ni_tiocmd: (!foo) preferred over (foo == NULL)
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/staging/comedi/drivers/ni_tiocmd.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/staging/comedi/drivers/ni_tiocmd.c b/drivers/staging/comedi/drivers/ni_tiocmd.c index d36c3abd3120..41735700e5f9 100644 --- a/drivers/staging/comedi/drivers/ni_tiocmd.c +++ b/drivers/staging/comedi/drivers/ni_tiocmd.c @@ -201,7 +201,7 @@ int ni_tio_cmd(struct comedi_device *dev, struct comedi_subdevice *s) unsigned long flags; spin_lock_irqsave(&counter->lock, flags); - if (counter->mite_chan == NULL) { + if (!counter->mite_chan) { dev_err(counter->counter_dev->dev->class_dev, "commands only supported with DMA. "); dev_err(counter->counter_dev->dev->class_dev, @@ -329,7 +329,7 @@ static int should_ack_gate(struct ni_gpct *counter) case ni_gpct_variant_e_series: spin_lock_irqsave(&counter->lock, flags); { - if (counter->mite_chan == NULL || + if (!counter->mite_chan || counter->mite_chan->dir != COMEDI_INPUT || (mite_done(counter->mite_chan))) { retval = 1; @@ -443,7 +443,7 @@ void ni_tio_handle_interrupt(struct ni_gpct *counter, break; } spin_lock_irqsave(&counter->lock, flags); - if (counter->mite_chan == NULL) { + if (!counter->mite_chan) { spin_unlock_irqrestore(&counter->lock, flags); return; } |