From 88d50890b78f68ff047e4deee651ec4e256cefea Mon Sep 17 00:00:00 2001 From: Al Viro Date: Wed, 12 Sep 2018 18:40:04 -0400 Subject: dgnc: leave TIOC[GS]SOFTCAR to ldisc no point duplicating that in tty_operations ->ioctl() Signed-off-by: Al Viro --- drivers/staging/dgnc/dgnc_tty.c | 24 ------------------------ 1 file changed, 24 deletions(-) (limited to 'drivers') diff --git a/drivers/staging/dgnc/dgnc_tty.c b/drivers/staging/dgnc/dgnc_tty.c index 040af55e9e68..c01616f9e609 100644 --- a/drivers/staging/dgnc/dgnc_tty.c +++ b/drivers/staging/dgnc/dgnc_tty.c @@ -2080,31 +2080,7 @@ static int dgnc_tty_ioctl(struct tty_struct *tty, unsigned int cmd, } switch (cmd) { - /* Here are all the standard ioctl's that we MUST implement */ - case TIOCGSOFTCAR: - - spin_unlock_irqrestore(&ch->ch_lock, flags); - - return put_user(C_CLOCAL(tty) ? 1 : 0, - (unsigned long __user *)arg); - - case TIOCSSOFTCAR: - - spin_unlock_irqrestore(&ch->ch_lock, flags); - rc = get_user(arg, (unsigned long __user *)arg); - if (rc) - return rc; - - spin_lock_irqsave(&ch->ch_lock, flags); - tty->termios.c_cflag = ((tty->termios.c_cflag & ~CLOCAL) | - (arg ? CLOCAL : 0)); - ch_bd_ops->param(tty); - spin_unlock_irqrestore(&ch->ch_lock, flags); - - return 0; - /* Here are any additional ioctl's that we want to implement */ - case TCFLSH: /* * The linux tty driver doesn't have a flush -- cgit v1.2.3