pm2fb: 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>

diff --git a/drivers/video/pm2fb.c b/drivers/video/pm2fb.c
index 27f93aab6ddc008d3c61e59667993b4004a0a49a..f4f8ce802d029af4e2d0d32bb1668edc5740e192 100644 (file)
--- a/drivers/video/pm2fb.c
+++ b/drivers/video/pm2fb.c
@@ -973,8 +973,8 @@ static int pm2fb_pan_display(struct fb_var_screeninfo *var,
 {
        struct pm2fb_par *p = info->par;
        u32 base;
-       u32 depth = (var->bits_per_pixel + 7) & ~7;
-       u32 xres = (var->xres + 31) & ~31;
+       u32 depth = (info->var.bits_per_pixel + 7) & ~7;
+       u32 xres = (info->var.xres + 31) & ~31;
 
        depth = (depth > 32) ? 32 : depth;
        base = to3264(var->yoffset * xres + var->xoffset, depth, 1);