There is no need to annotate function prototypes with 'extern', it makes code less readable. Remove unnecessary annotations from <notifier.h>. Signed-off-by: Dmitry Osipenko <digetx@xxxxxxxxx> --- include/linux/notifier.h | 30 +++++++++++++++--------------- 1 file changed, 15 insertions(+), 15 deletions(-) diff --git a/include/linux/notifier.h b/include/linux/notifier.h index 87069b8459af..4b80a815b666 100644 --- a/include/linux/notifier.h +++ b/include/linux/notifier.h @@ -90,7 +90,7 @@ struct srcu_notifier_head { } while (0) /* srcu_notifier_heads must be cleaned up dynamically */ -extern void srcu_init_notifier_head(struct srcu_notifier_head *nh); +void srcu_init_notifier_head(struct srcu_notifier_head *nh); #define srcu_cleanup_notifier_head(name) \ cleanup_srcu_struct(&(name)->srcu); @@ -141,36 +141,36 @@ extern void srcu_init_notifier_head(struct srcu_notifier_head *nh); #ifdef __KERNEL__ -extern int atomic_notifier_chain_register(struct atomic_notifier_head *nh, +int atomic_notifier_chain_register(struct atomic_notifier_head *nh, struct notifier_block *nb); -extern int blocking_notifier_chain_register(struct blocking_notifier_head *nh, +int blocking_notifier_chain_register(struct blocking_notifier_head *nh, struct notifier_block *nb); -extern int raw_notifier_chain_register(struct raw_notifier_head *nh, +int raw_notifier_chain_register(struct raw_notifier_head *nh, struct notifier_block *nb); -extern int srcu_notifier_chain_register(struct srcu_notifier_head *nh, +int srcu_notifier_chain_register(struct srcu_notifier_head *nh, struct notifier_block *nb); -extern int atomic_notifier_chain_unregister(struct atomic_notifier_head *nh, +int atomic_notifier_chain_unregister(struct atomic_notifier_head *nh, struct notifier_block *nb); -extern int blocking_notifier_chain_unregister(struct blocking_notifier_head *nh, +int blocking_notifier_chain_unregister(struct blocking_notifier_head *nh, struct notifier_block *nb); -extern int raw_notifier_chain_unregister(struct raw_notifier_head *nh, +int raw_notifier_chain_unregister(struct raw_notifier_head *nh, struct notifier_block *nb); -extern int srcu_notifier_chain_unregister(struct srcu_notifier_head *nh, +int srcu_notifier_chain_unregister(struct srcu_notifier_head *nh, struct notifier_block *nb); -extern int atomic_notifier_call_chain(struct atomic_notifier_head *nh, +int atomic_notifier_call_chain(struct atomic_notifier_head *nh, unsigned long val, void *v); -extern int blocking_notifier_call_chain(struct blocking_notifier_head *nh, +int blocking_notifier_call_chain(struct blocking_notifier_head *nh, unsigned long val, void *v); -extern int raw_notifier_call_chain(struct raw_notifier_head *nh, +int raw_notifier_call_chain(struct raw_notifier_head *nh, unsigned long val, void *v); -extern int srcu_notifier_call_chain(struct srcu_notifier_head *nh, +int srcu_notifier_call_chain(struct srcu_notifier_head *nh, unsigned long val, void *v); -extern int blocking_notifier_call_chain_robust(struct blocking_notifier_head *nh, +int blocking_notifier_call_chain_robust(struct blocking_notifier_head *nh, unsigned long val_up, unsigned long val_down, void *v); -extern int raw_notifier_call_chain_robust(struct raw_notifier_head *nh, +int raw_notifier_call_chain_robust(struct raw_notifier_head *nh, unsigned long val_up, unsigned long val_down, void *v); #define NOTIFY_DONE 0x0000 /* Don't care */ -- 2.33.1