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>
Cc: Krzysztof Helt <krzysztof.h1@wp.pl>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/video/pm2fb.c b/drivers/video/pm2fb.c
index 27f93aab6ddc..f4f8ce802d02 100644
--- 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);