On 2/14/22 10:27, Andreas Schwab wrote: > On Feb 14 2022, David Laight wrote: > >> The 'bug' is caused by put_user() trying to do: >> __typeof__(ptr) __ptr = ptr; >> where __typeof__ is returning char[n] not char *. >> >> I've tried a few things but can't get __typeof__ to >> generate a suitable type for both a simple type and array. > > Does it work to use __typeof__(&*(ptr))? Yes, this works. Helge
