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Diffstat (limited to 'drivers/video/console/vgacon.c')
| -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 e5231dd55e6e..edf0af8dd0a4 100644 --- a/drivers/video/console/vgacon.c +++ b/drivers/video/console/vgacon.c @@ -220,6 +220,10 @@ 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_tail + c->vc_size_row) > + vgacon_scrollback_size) + vgacon_scrollback_tail = 0; + scr_memcpyw(vgacon_scrollback + vgacon_scrollback_tail, p, c->vc_size_row); vgacon_scrollback_cnt++; |