staging: unisys: clean up NULL compares in virtpci.c

Remove unnecessary NULLs by just using the pointer value directly.

Signed-off-by: Benjamin Romer <benjamin.romer@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/unisys/virtpci/virtpci.c b/drivers/staging/unisys/virtpci/virtpci.c
index b169d392fce93c90559267a495193cfef06b364b..d5ad01783c07214aff8f35b8f4745f78137f58f2 100644 (file)
--- a/drivers/staging/unisys/virtpci/virtpci.c
+++ b/drivers/staging/unisys/virtpci/virtpci.c
@@ -809,7 +809,7 @@ static int virtpci_device_add(struct device *parentbus, int devtype,
 
        /* add a Virtual Device */
        virtpcidev = kzalloc(sizeof(*virtpcidev), GFP_ATOMIC);
-       if (virtpcidev == NULL) {
+       if (!virtpcidev) {
                POSTCODE_LINUX_2(MALLOC_FAILURE_PC, POSTCODE_SEVERITY_ERR);
                return 0;
        }
@@ -1076,8 +1076,8 @@ static int virtpci_device_del(struct device *parentbus,
        /* see if we are to delete all - NOTE: all implies we have a
         * valid parentbus
         */
-       all = ((devtype == VIRTHBA_TYPE) && (wwnn == NULL)) ||
-           ((devtype == VIRTNIC_TYPE) && (macaddr == NULL));
+       all = ((devtype == VIRTHBA_TYPE) && (!wwnn)) ||
+           ((devtype == VIRTNIC_TYPE) && (!macaddr));
 
        /* find all the vhba or vnic or both in virtpci device list
        * keep list of ones we are deleting so we can call
@@ -1206,9 +1206,8 @@ int virtpci_register_driver(struct virtpci_driver *drv)
 {
        int result = 0;
 
-       if (drv->id_table == NULL)
+       if (!drv->id_table)
                return 1;
-
        /* initialize core driver fields needed to call driver_register */
        drv->core_driver.name = drv->name;      /* name of driver in sysfs */
        drv->core_driver.bus = &virtpci_bus_type;       /* type of bus this