pm3fb: 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/pm3fb.c b/drivers/video/pm3fb.c
index 6666f45a2f8ce56e03f8ecb962caad73e5b7abdd..8221b5b42da9d879b42cbe4c26808a6f5ef48057 100644 (file)
--- a/drivers/video/pm3fb.c
+++ b/drivers/video/pm3fb.c
@@ -1147,9 +1147,9 @@ static int pm3fb_pan_display(struct fb_var_screeninfo *var,
                                 struct fb_info *info)
 {
        struct pm3_par *par = info->par;
-       const u32 xres = (var->xres + 31) & ~31;
+       const u32 xres = (info->var.xres + 31) & ~31;
 
-       par->base = pm3fb_shift_bpp(var->bits_per_pixel,
+       par->base = pm3fb_shift_bpp(info->var.bits_per_pixel,
                                        (var->yoffset * xres)
                                        + var->xoffset);
        PM3_WAIT(par, 1);