On Tue, Apr 16, 2019 at 10:25:35PM +0200, Arnd Bergmann wrote: > +static int atyfb_compat_ioctl(struct fb_info *info, u_int cmd, u_long arg) > +{ > + return atyfb_ioctl(info, cmd, (u_long)compat_ptr(arg)); > +} > +#endif Huh? Why isn't that using compat_ioctl_ptr()?