tty: make check_tty_count() void

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>

diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c
index 3959efc..e23e416 100644 (file)
--- 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;
 }
 
 /**