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author | Ingo Molnar <mingo@elte.hu> | 2008-07-26 11:26:19 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2008-07-26 11:26:19 +0200 |
commit | 88bef5a4074e0568cf54df410f41065c06694d8a (patch) | |
tree | bc4d59f57ce315bcb16dad5491ab9983ab122d8a /drivers/video/atafb.c | |
parent | 054a3fd824705543322d787893de9f3755151517 (diff) | |
parent | 024e8ac04453b3525448c31ef39848cf675ba6db (diff) | |
download | op-kernel-dev-88bef5a4074e0568cf54df410f41065c06694d8a.zip op-kernel-dev-88bef5a4074e0568cf54df410f41065c06694d8a.tar.gz |
Merge branch 'linus' into x86/urgent
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 fa55d35..77eb8b3 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)) { |