diff options
Diffstat (limited to 'drivers/tty/vt/vt_ioctl.c')
-rw-r--r-- | drivers/tty/vt/vt_ioctl.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/tty/vt/vt_ioctl.c b/drivers/tty/vt/vt_ioctl.c index 58013698635f..8c685b501404 100644 --- a/drivers/tty/vt/vt_ioctl.c +++ b/drivers/tty/vt/vt_ioctl.c @@ -898,11 +898,13 @@ int vt_ioctl(struct tty_struct *tty, if (arg > MAX_NR_CONSOLES) return -ENXIO; - if (arg == 0) + if (arg == 0) { vt_disallocate_all(); - else - return vt_disallocate(--arg); - break; + break; + } + + arg = array_index_nospec(arg - 1, MAX_NR_CONSOLES); + return vt_disallocate(arg); case VT_RESIZE: { |