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-rw-r--r--drivers/video/console/vgacon.c4
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);