Commit 9b03ffaf authored by Lidza Louina's avatar Lidza Louina Committed by Greg Kroah-Hartman
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staging: dgcn: removes unnecessary commands in ioctl 



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: default avatarLidza Louina <lidza.louina@gmail.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 5857a0b5

drivers/staging/dgnc/dgnc_tty.c

+0 −34
Original line number Diff line number Diff line
@@ -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 */  

		DGNC_UNLOCK(ch->ch_lock, lock_flags);

		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 TCSETSW:

		/*