[PATCH] sched: completion: Reinterpret the meaning of completion_done()

[Wang Qing <wangqing@vivo.com>]

The most intuitive meaning of completion_done() is to see if a completion has 
been done, done=0 can only indicate that someone may be waiting.

Signed-off-by: Wang Qing <wangqing@vivo.com>
---
 kernel/sched/completion.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/kernel/sched/completion.c b/kernel/sched/completion.c
index a778554f9dad..c8ea7575cc41
--- a/kernel/sched/completion.c
+++ b/kernel/sched/completion.c
@@ -304,10 +304,10 @@ bool try_wait_for_completion(struct completion *x)
 EXPORT_SYMBOL(try_wait_for_completion);
 
 /**
- *	completion_done - Test to see if a completion has any waiters
+ *	completion_done - Test to see if a completion has been done
  *	@x:	completion structure
  *
- *	Return: 0 if there are waiters (wait_for_completion() in progress)
+ *	Return: 0 if there may be waiters (wait_for_completion() in progress)
  *		 1 if there are no waiters.
  *
  *	Note, this will always return true if complete_all() was called on @X.
-- 
2.27.0