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authorAl Viro <viro@zeniv.linux.org.uk>2018-09-12 18:40:04 -0400
committerAl Viro <viro@zeniv.linux.org.uk>2018-10-13 00:50:48 -0400
commit88d50890b78f68ff047e4deee651ec4e256cefea (patch)
tree9ce53ff9e0f12dfa5cf39ae0a29b38b517fb2d76 /drivers/staging
parenta3096199226c2e4dc019f21c1bed6e96092d4a71 (diff)
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dgnc: leave TIOC[GS]SOFTCAR to ldisc
no point duplicating that in tty_operations ->ioctl() Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'drivers/staging')
-rw-r--r--drivers/staging/dgnc/dgnc_tty.c24
1 files changed, 0 insertions, 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