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Commit 88d50890 authored by Al Viro's avatar Al Viro
Browse files

dgnc: leave TIOC[GS]SOFTCAR to ldisc 



no point duplicating that in tty_operations ->ioctl()

Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent a3096199

drivers/staging/dgnc/dgnc_tty.c

+0 −24
Original line number Diff line number Diff line
@@ -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