On Mon, Feb 28, 2022 at 12:10:24PM -0800, Linus Torvalds wrote: > We can do > > typeof(pos) pos > > in the 'for ()' loop, and never use __iter at all. > > That means that inside the for-loop, we use a _different_ 'pos' than outside.
Then we can never use -Wshadow ;-( I'd love to be able to turn it on; it catches real bugs. > +#define list_for_each_entry(pos, head, member) > \ > + for (typeof(pos) pos = list_first_entry(head, typeof(*pos), member); > \ > + !list_entry_is_head(pos, head, member); \ > pos = list_next_entry(pos, member))
