linux-kernel - [PATCH] futex: Fix a faulty comment.

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Message-Id: <20211204181458.10076-1-6812skiii@gmail.com>
Date:   Sun,  5 Dec 2021 03:14:58 +0900
From:   6812skiii@...il.com
To:     tglx@...utronix.de, mingo@...hat.com
Cc:     peterz@...radead.org, dvhart@...radead.org, dave@...olabs.net,
        andrealmeid@...labora.com, linux-kernel@...r.kernel.org,
        Jangwoong Kim <6812skiii@...il.com>
Subject: [PATCH] futex: Fix a faulty comment.

From: Jangwoong Kim <6812skiii@...il.com>

We return 1, not the index of futex woken up.

Signed-off-by: Jangwoong Kim <6812skiii@...il.com>
---
 kernel/futex/waitwake.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/kernel/futex/waitwake.c b/kernel/futex/waitwake.c
index 4ce0923f1ce3..d148e5d4956b 100644
--- a/kernel/futex/waitwake.c
+++ b/kernel/futex/waitwake.c
@@ -455,8 +455,8 @@ static int futex_wait_multiple_setup(struct futex_vector *vs, int count, int *wo
 
 		/*
 		 * Even if something went wrong, if we find out that a futex
-		 * was woken, we don't return error and return this index to
-		 * userspace
+		 * was woken, we don't return error and make userspace aware
+		 * of this by returning 1.
 		 */
 		*woken = unqueue_multiple(vs, i);
 		if (*woken >= 0)
-- 
2.25.1