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staging: dgcn: removes unnecessary commands in ioctl

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The commands TIOCGETP, TCGETS, and TCGETA are not supposed to be seen by
the ioctl. This patch removes the switch cases for these commands.

Signed-off-by: Lidza Louina <lidza.louina@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Lidza Louina 2013-08-13 15:49:56 -04:00 • committed by Greg Kroah-Hartman
parent 5857a0b5f1
commit 9b03ffaf7f
1 changed files with 0 additions and 34 deletions
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34
drivers/staging/dgnc/dgnc_tty.c
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@ -3336,40 +3336,6 @@ static int dgnc_tty_ioctl(struct tty_struct *tty, struct file *file, unsigned in
/* pretend we didn't recognize this IOCTL */ /* pretend we didn't recognize this IOCTL */
DGNC_UNLOCK(ch->ch_lock, lock_flags); DGNC_UNLOCK(ch->ch_lock, lock_flags);
return(-ENOIOCTLCMD); return(-ENOIOCTLCMD);
#ifdef TIOCGETP
case TIOCGETP:
#endif
case TCGETS:
case TCGETA:
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,30)
if (tty->ldisc->ops->ioctl) {
#else
if (tty->ldisc.ops->ioctl) {
#endif
int retval = (-ENXIO);
DGNC_UNLOCK(ch->ch_lock, lock_flags);
if (tty->termios) {
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,30)
retval = ((tty->ldisc->ops->ioctl) (tty, file, cmd, arg));
#else
retval = ((tty->ldisc.ops->ioctl) (tty, file, cmd, arg));
#endif
}
DPR_IOCTL(("dgnc_tty_ioctl (LINE:%d) finish on port %d - cmd %s (%x), arg %lx\n",
__LINE__, ch->ch_portnum, dgnc_ioctl_name(cmd), cmd, arg));
return(retval);
}
DGNC_UNLOCK(ch->ch_lock, lock_flags);
DPR_IOCTL(("dgnc_tty_ioctl (LINE:%d) finish on port %d - cmd %s (%x), arg %lx\n",
__LINE__, ch->ch_portnum, dgnc_ioctl_name(cmd), cmd, arg));
return(-ENOIOCTLCMD);
case TCSETSF: case TCSETSF:
case TCSETSW: case TCSETSW:
/* /*