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-rw-r--r--drivers/video/console/vgacon.c20
1 files changed, 8 insertions, 12 deletions
diff --git a/drivers/video/console/vgacon.c b/drivers/video/console/vgacon.c
index 3556268fe0a..448d209a0bf 100644
--- a/drivers/video/console/vgacon.c
+++ b/drivers/video/console/vgacon.c
@@ -239,8 +239,7 @@ static void vgacon_restore_screen(struct vc_data *c)
static int vgacon_scrolldelta(struct vc_data *c, int lines)
{
- int start, end, count, soff, diff;
- void *d, *s;
+ int start, end, count, soff;
if (!lines) {
c->vc_visible_origin = c->vc_origin;
@@ -287,13 +286,13 @@ static int vgacon_scrolldelta(struct vc_data *c, int lines)
if (count > c->vc_rows)
count = c->vc_rows;
- diff = c->vc_rows - count;
-
- d = (void *) c->vc_origin;
- s = (void *) c->vc_screenbuf;
-
if (count) {
int copysize;
+
+ int diff = c->vc_rows - count;
+ void *d = (void *) c->vc_origin;
+ void *s = (void *) c->vc_screenbuf;
+
count *= c->vc_size_row;
/* how much memory to end of buffer left? */
copysize = min(count, vgacon_scrollback_size - soff);
@@ -305,14 +304,11 @@ static int vgacon_scrolldelta(struct vc_data *c, int lines)
scr_memcpyw(d, vgacon_scrollback, count);
d += count;
}
- }
- if (diff == c->vc_rows) {
- vgacon_cursor(c, CM_MOVE);
- } else {
if (diff)
scr_memcpyw(d, s, diff * c->vc_size_row);
- }
+ } else
+ vgacon_cursor(c, CM_MOVE);
return 1;
}