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Subject[PATCH 43/50] dgnc: leave TIOC[GS]SOFTCAR to ldisc
Date
From: Al Viro <viro@zeniv.linux.org.uk>

no point duplicating that in tty_operations ->ioctl()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
drivers/staging/dgnc/dgnc_tty.c | 24 ------------------------
1 file changed, 24 deletions(-)

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
--
2.11.0
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