Remove error checking from vesafb_pan_display.  This is guaranteed to be done
by the core layer.
Signed-off-by: Antonino Daplas <adaplas@pol.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
 #ifdef __i386__
        int offset;
 
-       if (!ypan)
-               return -EINVAL;
-       if (var->xoffset)
-               return -EINVAL;
-       if (var->yoffset > var->yres_virtual)
-               return -EINVAL;
-       if ((ypan==1) && var->yoffset+var->yres > var->yres_virtual)
-               return -EINVAL;
-
        offset = (var->yoffset * info->fix.line_length + var->xoffset) / 4;
 
         __asm__ __volatile__(