diff options
author | Al Viro <viro@zeniv.linux.org.uk> | 2018-09-12 18:40:04 -0400 |
---|---|---|
committer | Al Viro <viro@zeniv.linux.org.uk> | 2018-10-13 00:50:48 -0400 |
commit | 88d50890b78f68ff047e4deee651ec4e256cefea (patch) | |
tree | 9ce53ff9e0f12dfa5cf39ae0a29b38b517fb2d76 | |
parent | a3096199226c2e4dc019f21c1bed6e96092d4a71 (diff) | |
download | lwn-88d50890b78f68ff047e4deee651ec4e256cefea.tar.gz lwn-88d50890b78f68ff047e4deee651ec4e256cefea.zip |
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>
-rw-r--r-- | drivers/staging/dgnc/dgnc_tty.c | 24 |
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 |