notifier: Add blocking_notifier_call_chain_is_empty()
authorDmitry Osipenko <digetx@gmail.com>
Sun, 30 Jan 2022 23:36:58 +0000 (02:36 +0300)
committerHector Martin <marcan@marcan.st>
Tue, 8 Feb 2022 05:49:05 +0000 (14:49 +0900)
commit665ec8e9951eb420fbaa7880d1e70146b3c5c292
tree7d870cb0ec68e7e5f5a07bbfc7aad3fc32348860
parent121ebf235daeb26408ac666721823cd8cb6cefec
notifier: Add blocking_notifier_call_chain_is_empty()

Add blocking_notifier_call_chain_is_empty() that returns true if call
chain is empty.

Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
include/linux/notifier.h
kernel/notifier.c