diff options
Diffstat (limited to 'drivers/char/stallion.c')
| -rw-r--r-- | drivers/char/stallion.c | 15 |
1 files changed, 3 insertions, 12 deletions
diff --git a/drivers/char/stallion.c b/drivers/char/stallion.c index 874aaa08e95..983244ab136 100644 --- a/drivers/char/stallion.c +++ b/drivers/char/stallion.c @@ -1273,18 +1273,9 @@ static int stl_ioctl(struct tty_struct *tty, struct file *file, unsigned int cmd rc = 0; + lock_kernel(); + switch (cmd) { - case TIOCGSOFTCAR: - rc = put_user(((tty->termios->c_cflag & CLOCAL) ? 1 : 0), - (unsigned __user *) argp); - break; - case TIOCSSOFTCAR: - if (get_user(ival, (unsigned int __user *) arg)) - return -EFAULT; - tty->termios->c_cflag = - (tty->termios->c_cflag & ~CLOCAL) | - (ival ? CLOCAL : 0); - break; case TIOCGSERIAL: rc = stl_getserial(portp, argp); break; @@ -1308,7 +1299,7 @@ static int stl_ioctl(struct tty_struct *tty, struct file *file, unsigned int cmd rc = -ENOIOCTLCMD; break; } - + unlock_kernel(); return rc; } |