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staging: dgrp: remove TIOCGSOFTCAR and TIOCSSOFTCAR handling 

The TIOCGSOFTCAR and TIOCSSOFTCAR ioctls are handled by the tty layer
so the dgrp driver shouldn't try to deal with them itself.

Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Bill Pemberton 2012-11-14 09:13:54 -05:00 committed by Greg Kroah-Hartman
parent 581a7ddec1
commit 8fdefcb0ab
1 changed files with 0 additions and 15 deletions
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15
drivers/staging/dgrp/dgrp_tty.c
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@ -2615,21 +2615,6 @@ static int dgrp_tty_ioctl(struct tty_struct *tty, unsigned int cmd,
*/ */
return 0; return 0;
case TIOCGSOFTCAR:
rc = access_ok(VERIFY_WRITE, (void __user *) arg,
sizeof(long));
if (rc == 0)
return -EFAULT;
put_user(C_CLOCAL(tty) ? 1 : 0, (unsigned long __user *) arg);
return 0;
case TIOCSSOFTCAR:
get_user(arg, (unsigned long __user *) arg);
tty->termios.c_cflag =
((tty->termios.c_cflag & ~CLOCAL) |
(arg ? CLOCAL : 0));
return 0;
case TIOCMGET: case TIOCMGET:
rc = access_ok(VERIFY_WRITE, (void __user *) arg, rc = access_ok(VERIFY_WRITE, (void __user *) arg,
sizeof(unsigned int)); sizeof(unsigned int));