Commit e2850160 authored by H Hartley Sweeten's avatar H Hartley Sweeten Committed by Greg Kroah-Hartman
Browse files

staging: comedi: drivers: (!foo) preferred over (foo == NULL) 



Signed-off-by: default avatarH Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: default avatarIan Abbott <abbotti@mev.co.uk>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 88cc30cf

drivers/staging/comedi/drivers.c

+4 −4
Original line number Diff line number Diff line
@@ -46,7 +46,7 @@ int comedi_set_hw_dev(struct comedi_device *dev, struct device *hw_dev) 
{

	if (hw_dev == dev->hw_dev)

		return 0;

	if (dev->hw_dev != NULL)

	if (dev->hw_dev)

		return -EEXIST;

	dev->hw_dev = get_device(hw_dev);

	return 0;
@@ -802,7 +802,7 @@ int comedi_device_attach(struct comedi_device *dev, struct comedi_devconfig *it) 
		}

		module_put(driv->module);

	}

	if (driv == NULL) {

	if (!driv) {

		/*  recognize has failed if we get here */

		/*  report valid board names before returning error */

		for (driv = comedi_drivers; driv; driv = driv->next) {
@@ -814,7 +814,7 @@ int comedi_device_attach(struct comedi_device *dev, struct comedi_devconfig *it) 
		ret = -EIO;

		goto out;

	}

	if (driv->attach == NULL) {

	if (!driv->attach) {

		/* driver does not support manual configuration */

		dev_warn(dev->class_dev,

			 "driver '%s' does not support attach using comedi_config\n",
@@ -898,7 +898,7 @@ EXPORT_SYMBOL_GPL(comedi_auto_config); 


void comedi_auto_unconfig(struct device *hardware_device)

{

	if (hardware_device == NULL)

	if (!hardware_device)

		return;

	comedi_release_hardware_device(hardware_device);

}