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>
Sat, 19 Feb 2022 08:06:37 +0000 (17:06 +0900)
commitbe5faa9214e0af112bdf38117f5601637d88b9f6
tree44952b32db3041f3a70e27a7146d94f21dce2cf3
parent3c30cf91b5ecc7272b3d2942ae0505dd8320b81c
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