From b70f58cf26ef9d75dffcb34c099c133fc8f1bf4f Mon Sep 17 00:00:00 2001
From: Jiri Slaby <jirislaby@kernel.org>
Date: Wed, 12 Jul 2023 10:58:30 +0200
Subject: [PATCH] tty: make check_tty_count() void

References: bsc#1214683 (PREEMPT_RT prerequisite backports)
Patch-mainline: v6.6-rc1
Git-commit: b4940f6c3e0e021a8612e8eee5d93ecba9ec9f32

The return value is unused, so drop it.

Signed-off-by: Jiri Slaby (SUSE) <jirislaby@kernel.org>
Link: https://lore.kernel.org/r/20230712085830.4908-1-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Mel Gorman <mgorman@suse.de>
---
 drivers/tty/tty_io.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c
index 4778fc78daec..b55a2c611a02 100644
--- a/drivers/tty/tty_io.c
+++ b/drivers/tty/tty_io.c
@@ -270,7 +270,7 @@ static int tty_paranoia_check(struct tty_struct *tty, struct inode *inode,
 }
 
 /* Caller must hold tty_lock */
-static int check_tty_count(struct tty_struct *tty, const char *routine)
+static void check_tty_count(struct tty_struct *tty, const char *routine)
 {
 #ifdef CHECK_TTY_COUNT
 	struct list_head *p;
@@ -290,10 +290,8 @@ static int check_tty_count(struct tty_struct *tty, const char *routine)
 	if (tty->count != (count + kopen_count)) {
 		tty_warn(tty, "%s: tty->count(%d) != (#fd's(%d) + #kopen's(%d))\n",
 			 routine, tty->count, count, kopen_count);
-		return (count + kopen_count);
 	}
 #endif
-	return 0;
 }
 
 /**