diff options
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/char/tty_ioctl.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/char/tty_ioctl.c b/drivers/char/tty_ioctl.c index ea9fc5d03b99..bf34e4597421 100644 --- a/drivers/char/tty_ioctl.c +++ b/drivers/char/tty_ioctl.c | |||
@@ -937,12 +937,14 @@ int tty_mode_ioctl(struct tty_struct *tty, struct file *file, | |||
937 | return 0; | 937 | return 0; |
938 | #endif | 938 | #endif |
939 | case TIOCGSOFTCAR: | 939 | case TIOCGSOFTCAR: |
940 | return put_user(C_CLOCAL(tty) ? 1 : 0, | 940 | /* FIXME: for correctness we may need to take the termios |
941 | lock here - review */ | ||
942 | return put_user(C_CLOCAL(real_tty) ? 1 : 0, | ||
941 | (int __user *)arg); | 943 | (int __user *)arg); |
942 | case TIOCSSOFTCAR: | 944 | case TIOCSSOFTCAR: |
943 | if (get_user(arg, (unsigned int __user *) arg)) | 945 | if (get_user(arg, (unsigned int __user *) arg)) |
944 | return -EFAULT; | 946 | return -EFAULT; |
945 | return tty_change_softcar(tty, arg); | 947 | return tty_change_softcar(real_tty, arg); |
946 | default: | 948 | default: |
947 | return -ENOIOCTLCMD; | 949 | return -ENOIOCTLCMD; |
948 | } | 950 | } |