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tty: tty_ldisc: Remove the ret variable

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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 <zeming@nfschina.com>
Reviewed-by: Jiri Slaby <jirislaby@kernel.org>
Link: https://lore.kernel.org/r/20230222202303.3195-1-zeming@nfschina.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Li zeming 2023-02-23 04:23:03 +08:00 committed by Greg Kroah-Hartman
parent fe15c26ee2
commit 728648c7c8
1 changed files with 1 additions and 2 deletions
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3
drivers/tty/tty_ldisc.c
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@ -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);