[PATCH] driver core: fix unnecessary NULL check in drivers/base/class.c

This patch tries to fix an issue in drivers/base/class.c, please
review and apply if correct.

Patch Description:
  "parent_class" is checked for NULL already, so removed the unnecessary
  check.

Signed-off-by: Jayachandran C. <c.jayachandran@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 6 insertions, 7 deletions

diff --git a/drivers/base/class.c b/drivers/base/class.c
index df7fdabd0730..0e71dff327cd 100644
--- a/drivers/base/class.c
+++ b/drivers/base/class.c
@@ -562,14 +562,13 @@ int class_device_add(struct class_device *class_dev)
         kobject_uevent(&class_dev->kobj, KOBJ_ADD);
 
         /* notify any interfaces this device is now here */
-        if (parent_class) {
-                down(&parent_class->sem);
-                list_add_tail(&class_dev->node, &parent_class->children);
-                list_for_each_entry(class_intf, &parent_class->interfaces, node)
-                        if (class_intf->add)
-                                class_intf->add(class_dev, class_intf);
-                up(&parent_class->sem);
+        down(&parent_class->sem);
+        list_add_tail(&class_dev->node, &parent_class->children);
+        list_for_each_entry(class_intf, &parent_class->interfaces, node) {
+                if (class_intf->add)
+                        class_intf->add(class_dev, class_intf);
         }
+        up(&parent_class->sem);
 
  register_done:
         if (error) {