On Thu, 2022-05-05 at 13:08 -0700, Keith Packard wrote: > I bet you've already considered the simpler form: > > struct something *instance = mem_to_flex_dup(byte_array, count, GFP_KERNEL); > if (IS_ERR(instance)) > return PTR_ERR(instance); > Sadly, this doesn't work in any way because mem_to_flex_dup() needs to know at least the type, hence passing 'instance', which is simpler than passing 'struct something'. johannes