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]>
Cc: Andrew Morton <[email protected]>
---
Andrew: Sorry for the noise and requiring these cleanups. Would you
want a squashed commit with all my RCU+ws-related epoll changes to keep
history cleaner? I will try to be more careful and require less
followup patches in the future :x
fs/eventpoll.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/eventpoll.c b/fs/eventpoll.c
index dcf7906..1295d3a 100644
--- a/fs/eventpoll.c
+++ b/fs/eventpoll.c
@@ -1207,7 +1207,7 @@ static noinline void ep_destroy_wakeup_source(struct epitem *epi)
{
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
--
Eric Wong