epoll: cleanup: use RCU_INIT_POINTER when nulling
It is always safe to use RCU_INIT_POINTER to NULL a pointer. This results
in slightly smaller/faster code.
Signed-off-by: Eric Wong <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
diff --git a/fs/eventpoll.c b/fs/eventpoll.c
index c5d9880..277cc38 100644
--- a/fs/eventpoll.c
+++ b/fs/eventpoll.c
@@ -1213,7 +1213,7 @@
{
struct wakeup_source *ws = ep_wakeup_source(epi);
- rcu_assign_pointer(epi->ws, NULL);
+ RCU_INIT_POINTER(epi->ws, NULL);
/*
* wait for ep_pm_stay_awake_rcu to finish, synchronize_rcu is
