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path: root/drivers/char/tty_ioctl.c
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Diffstat (limited to 'drivers/char/tty_ioctl.c')
-rw-r--r--drivers/char/tty_ioctl.c14
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 {