diff options
| author | Mauro Carvalho Chehab <mchehab@infradead.org> | 2008-07-27 12:25:57 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@infradead.org> | 2008-07-27 12:25:57 -0300 |
| commit | 50cb993ea6cd187bfed085cb3e0747066edeb02f (patch) | |
| tree | 61edac62c6c5bc07c59e4369c50c6821ad77f2c0 /drivers/video/atafb.c | |
| parent | 445c2714cf72817ab1ad3ca894c6d9b2047b3a3e (diff) | |
| parent | 8be1a6d6c77ab4532e4476fdb8177030ef48b52c (diff) | |
Merge ../linux-2.6
Diffstat (limited to 'drivers/video/atafb.c')
| -rw-r--r-- | drivers/video/atafb.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/video/atafb.c b/drivers/video/atafb.c index fa55d356b53..77eb8b34fbf 100644 --- a/drivers/video/atafb.c +++ b/drivers/video/atafb.c @@ -2593,13 +2593,16 @@ static void atafb_copyarea(struct fb_info *info, const struct fb_copyarea *area) width = x2 - dx; height = y2 - dy; + if (area->sx + dx < area->dx || area->sy + dy < area->dy) + return; + /* update sx,sy */ sx = area->sx + (dx - area->dx); sy = area->sy + (dy - area->dy); /* the source must be completely inside the virtual screen */ - if (sx < 0 || sy < 0 || (sx + width) > info->var.xres_virtual || - (sy + height) > info->var.yres_virtual) + if (sx + width > info->var.xres_virtual || + sy + height > info->var.yres_virtual) return; if (dy > sy || (dy == sy && dx > sx)) { |