Commit 728648c7 authored by Li zeming's avatar Li zeming Committed by Greg Kroah-Hartman
Browse files

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: default avatarLi zeming <zeming@nfschina.com>
Reviewed-by: default avatarJiri Slaby <jirislaby@kernel.org>
Link: https://lore.kernel.org/r/20230222202303.3195-1-zeming@nfschina.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent fe15c26e

drivers/tty/tty_ldisc.c

+1 −2
Original line number Diff line number Diff line
@@ -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);