Re: [PATCH] [v2]net:ppp: remove disc_data_lock in ppp line discipline

From: Jakub Kicinski
Date: Mon Jan 04 2021 - 13:30:22 EST


On Fri, 1 Jan 2021 11:37:18 +0800 Gao Yan wrote:
> In tty layer, it provides tty->ldisc_sem to protect all tty_ldisc_ops
> including ppp_sync_ldisc. So I think tty->ldisc_sem can also
> protect tty->disc_data, and the disc_data_lock is not necessary.
>
> Signed-off-by: Gao Yan <gao.yanB@xxxxxxx>

Please make sure to CC netdev.