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fbdev: avoid vertical overflow when making space for the logo

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

Signed-off-by: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>
Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com>
Acked-By: James Simmons <jsimmons@infradead.org>
Cc: "Antonino A. Daplas" <adaplas@pol.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Geert Uytterhoeven 2007-05-08 00:37:53 -07:00 committed by Linus Torvalds
parent 538c79248c
commit 250038f5a7
1 changed files with 7 additions and 2 deletions
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9
drivers/video/console/fbcon.c
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@ -618,8 +618,13 @@ static void fbcon_prepare_logo(struct vc_data *vc, struct fb_info *info,
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,