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path: root/drivers/tty/vt/vt_ioctl.c
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Diffstat (limited to 'drivers/tty/vt/vt_ioctl.c')
-rw-r--r--drivers/tty/vt/vt_ioctl.c10
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:
{