From e2850160763e716e55fa6328bfab335cac90fc80 Mon Sep 17 00:00:00 2001 From: H Hartley Sweeten Date: Wed, 4 Mar 2015 12:15:29 -0700 Subject: [PATCH] staging: comedi: drivers: (!foo) preferred over (foo == NULL) Signed-off-by: H Hartley Sweeten Reviewed-by: Ian Abbott Signed-off-by: Greg Kroah-Hartman --- drivers/staging/comedi/drivers.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/staging/comedi/drivers.c b/drivers/staging/comedi/drivers.c index e87c68cf11d4..57dcffe00204 100644 --- a/drivers/staging/comedi/drivers.c +++ b/drivers/staging/comedi/drivers.c @@ -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); } -- 2.39.5