From 728648c7c8bb054023b9b9f367e349d5b0afafd8 Mon Sep 17 00:00:00 2001 From: Li zeming Date: Thu, 23 Feb 2023 04:23:03 +0800 Subject: [PATCH] tty: tty_ldisc: Remove the ret variable The int variable ret does not receive the return value in this function. It should be removed and returned 0 directly. Signed-off-by: Li zeming Reviewed-by: Jiri Slaby Link: https://lore.kernel.org/r/20230222202303.3195-1-zeming@nfschina.com Signed-off-by: Greg Kroah-Hartman --- drivers/tty/tty_ldisc.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/tty/tty_ldisc.c b/drivers/tty/tty_ldisc.c index e758f44729e7e..3f68e213df1f7 100644 --- a/drivers/tty/tty_ldisc.c +++ b/drivers/tty/tty_ldisc.c @@ -58,7 +58,6 @@ static struct tty_ldisc_ops *tty_ldiscs[NR_LDISCS]; int tty_register_ldisc(struct tty_ldisc_ops *new_ldisc) { unsigned long flags; - int ret = 0; if (new_ldisc->num < N_TTY || new_ldisc->num >= NR_LDISCS) return -EINVAL; @@ -67,7 +66,7 @@ int tty_register_ldisc(struct tty_ldisc_ops *new_ldisc) tty_ldiscs[new_ldisc->num] = new_ldisc; raw_spin_unlock_irqrestore(&tty_ldiscs_lock, flags); - return ret; + return 0; } EXPORT_SYMBOL(tty_register_ldisc); -- 2.30.2