diff options
| -rw-r--r-- | drivers/video/console/vgacon.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/video/console/vgacon.c b/drivers/video/console/vgacon.c index f0f3d573f848..a52bb3740073 100644 --- a/drivers/video/console/vgacon.c +++ b/drivers/video/console/vgacon.c @@ -251,6 +251,10 @@ static void vgacon_scrollback_update(struct vc_data *c, int t, int count) p = (void *) (c->vc_origin + t * c->vc_size_row); while (count--) { + if ((vgacon_scrollback_cur->tail + c->vc_size_row) > + vgacon_scrollback_cur->size) + vgacon_scrollback_cur->tail = 0; + scr_memcpyw(vgacon_scrollback_cur->data + vgacon_scrollback_cur->tail, p, c->vc_size_row); |