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authorLaurent Pinchart <laurent.pinchart@ideasonboard.com>2011-05-25 11:34:52 +0200
committerLaurent Pinchart <laurent.pinchart@ideasonboard.com>2011-08-19 10:29:34 +0200
commit2970840c034838d717126fbec0b38029c7f04852 (patch)
tree6c58cb6ae8f2ebc5c7843a9fa2775dc7622ece63 /drivers/video/acornfb.c
parent3846e93a65b1a127f59203606c0e92dd22f08782 (diff)
acornfb: use display information in info not in var for panning
We must not use any information in the passed var besides xoffset, yoffset and vmode as otherwise applications might abuse it. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Diffstat (limited to 'drivers/video/acornfb.c')
-rw-r--r--drivers/video/acornfb.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/video/acornfb.c b/drivers/video/acornfb.c
index 3bacc129054..b303f171506 100644
--- a/drivers/video/acornfb.c
+++ b/drivers/video/acornfb.c
@@ -850,9 +850,9 @@ acornfb_pan_display(struct fb_var_screeninfo *var, struct fb_info *info)
u_int y_bottom = var->yoffset;
if (!(var->vmode & FB_VMODE_YWRAP))
- y_bottom += var->yres;
+ y_bottom += info->var.yres;
- if (y_bottom > var->yres_virtual)
+ if (y_bottom > info->var.yres_virtual)
return -EINVAL;
acornfb_update_dma(info, var);