fbcon_prepare_logo(): Avoid vertical overflow when making space for the logo

Signed-off-by: Geert Uytterhoeven <[EMAIL PROTECTED]>
Signed-off-by: Geoff Levand <[EMAIL PROTECTED]>
---
 drivers/video/console/fbcon.c |    9 +++++++--
 1 files changed, 7 insertions(+), 2 deletions(-)

--- ps3-linux-2.6.20-rc7.orig/drivers/video/console/fbcon.c
+++ ps3-linux-2.6.20-rc7/drivers/video/console/fbcon.c
@@ -619,8 +619,13 @@ static void fbcon_prepare_logo(struct vc
                        r -= cols;
                }
                if (!save) {
-                       vc->vc_y += logo_lines;
-                       vc->vc_pos += logo_lines * vc->vc_size_row;
+                       int lines;
+                       if (vc->vc_y + logo_lines >= rows)
+                               lines = rows - vc->vc_y - 1;
+                       else
+                               lines = logo_lines;
+                       vc->vc_y += lines;
+                       vc->vc_pos += lines * vc->vc_size_row;
                }
        }
        scr_memsetw((unsigned short *) vc->vc_origin,

Gr{oetje,eeting}s,

                                                Geert

--
Geert Uytterhoeven -- Sony Network and Software Technology Center Europe (NSCE)
[EMAIL PROTECTED] ------- The Corporate Village, Da Vincilaan 7-D1
Voice +32-2-7008453 Fax +32-2-7008622 ---------------- B-1935 Zaventem, Belgium
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [EMAIL PROTECTED]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Reply via email to