Hi Matthew, Christopher, > > > This will help error related to ERR_PTR stand out better. > > > > Maybe make ZERO_SIZE_PTR an ERRNO value instead? Then allow ERR_PTRs to be > > used instead of ZERO_SIZE_PTRs > > > > ERRNO_ZERO_OBJECT > > > > or something like that? > > I was wondering about something like that too, but allocating zero bytes > isn't actually an error, and if we have code that does something like: > > void *p = my_funky_alloc(size, ...); > > if (IS_ERR(p)) > return PTR_ERR(p); > > then we might get this errno returned to userspace. > > The change is definitely worth thinking about. Any further comments on this ? Please let me know. Thanks!!
