[PATCH 2/6] driver core: bus.h: remove extern from function prototypes

[Greg Kroah-Hartman <gregkh@linuxfoundation.org>]

The kernel coding style does not require 'extern' in function prototypes
in .h files, so remove them from include/linux/device/bus.h as they are
not needed.

Cc: "Rafael J. Wysocki" <rafael@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 include/linux/device/bus.h | 14 ++++++--------
 1 file changed, 6 insertions(+), 8 deletions(-)

diff --git a/include/linux/device/bus.h b/include/linux/device/bus.h
index 05a0c4992a49..ae10c4322754 100644
--- a/include/linux/device/bus.h
+++ b/include/linux/device/bus.h
@@ -109,11 +109,11 @@ struct bus_type {
 	bool need_parent_lock;
 };
 
-extern int __must_check bus_register(const struct bus_type *bus);
+int __must_check bus_register(const struct bus_type *bus);
 
-extern void bus_unregister(const struct bus_type *bus);
+void bus_unregister(const struct bus_type *bus);
 
-extern int __must_check bus_rescan_devices(const struct bus_type *bus);
+int __must_check bus_rescan_devices(const struct bus_type *bus);
 
 struct bus_attribute {
 	struct attribute	attr;
@@ -243,10 +243,8 @@ void bus_sort_breadthfirst(struct bus_type *bus,
  */
 struct notifier_block;
 
-extern int bus_register_notifier(const struct bus_type *bus,
-				 struct notifier_block *nb);
-extern int bus_unregister_notifier(const struct bus_type *bus,
-				   struct notifier_block *nb);
+int bus_register_notifier(const struct bus_type *bus, struct notifier_block *nb);
+int bus_unregister_notifier(const struct bus_type *bus, struct notifier_block *nb);
 
 /**
  * enum bus_notifier_event - Bus Notifier events that have happened
@@ -278,7 +276,7 @@ enum bus_notifier_event {
 	BUS_NOTIFY_DRIVER_NOT_BOUND,
 };
 
-extern struct kset *bus_get_kset(const struct bus_type *bus);
+struct kset *bus_get_kset(const struct bus_type *bus);
 struct device *bus_get_dev_root(const struct bus_type *bus);
 
 #endif
-- 
2.40.0