diff options
Diffstat (limited to 'drivers/char/tty_ioctl.c')
-rw-r--r-- | drivers/char/tty_ioctl.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/char/tty_ioctl.c b/drivers/char/tty_ioctl.c index 4a8969cef315..3ee73cf64bd2 100644 --- a/drivers/char/tty_ioctl.c +++ b/drivers/char/tty_ioctl.c | |||
@@ -795,6 +795,19 @@ int n_tty_ioctl(struct tty_struct * tty, struct file * file, | |||
795 | if (L_ICANON(tty)) | 795 | if (L_ICANON(tty)) |
796 | retval = inq_canon(tty); | 796 | retval = inq_canon(tty); |
797 | return put_user(retval, (unsigned int __user *) arg); | 797 | return put_user(retval, (unsigned int __user *) arg); |
798 | #ifndef TCGETS2 | ||
799 | case TIOCGLCKTRMIOS: | ||
800 | if (kernel_termios_to_user_termios((struct termios __user *)arg, real_tty->termios_locked)) | ||
801 | return -EFAULT; | ||
802 | return 0; | ||
803 | |||
804 | case TIOCSLCKTRMIOS: | ||
805 | if (!capable(CAP_SYS_ADMIN)) | ||
806 | return -EPERM; | ||
807 | if (user_termios_to_kernel_termios(real_tty->termios_locked, (struct termios __user *) arg)) | ||
808 | return -EFAULT; | ||
809 | return 0; | ||
810 | #else | ||
798 | case TIOCGLCKTRMIOS: | 811 | case TIOCGLCKTRMIOS: |
799 | if (kernel_termios_to_user_termios_1((struct termios __user *)arg, real_tty->termios_locked)) | 812 | if (kernel_termios_to_user_termios_1((struct termios __user *)arg, real_tty->termios_locked)) |
800 | return -EFAULT; | 813 | return -EFAULT; |
@@ -806,6 +819,7 @@ int n_tty_ioctl(struct tty_struct * tty, struct file * file, | |||
806 | if (user_termios_to_kernel_termios_1(real_tty->termios_locked, (struct termios __user *) arg)) | 819 | if (user_termios_to_kernel_termios_1(real_tty->termios_locked, (struct termios __user *) arg)) |
807 | return -EFAULT; | 820 | return -EFAULT; |
808 | return 0; | 821 | return 0; |
822 | #endif | ||
809 | 823 | ||
810 | case TIOCPKT: | 824 | case TIOCPKT: |
811 | { | 825 | { |