On Wed, 2019-10-09 at 21:10 +0200, Arnd Bergmann wrote: [...] > --- a/drivers/isdn/capi/capi.c > +++ b/drivers/isdn/capi/capi.c > @@ -950,6 +950,34 @@ capi_unlocked_ioctl(struct file *file, unsigned int cmd, unsigned long arg) > return ret; > } > > +#ifdef CONFIG_COMPAT > +static long > +capi_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg) > +{ > + int ret; > + > + if (cmd == CAPI_MANUFACTURER_CMD) { > + struct { > + unsigned long cmd; Should be u32? Ben. > + compat_uptr_t data; > + } mcmd32; [...] -- Ben Hutchings, Software Developer Codethink Ltd https://www.codethink.co.uk/ Dale House, 35 Dale Street Manchester, M1 2HF, United Kingdom