Re: [PATCH 2/6] treewide: remove using list iterator after loop body as a ptr

From: Linus Torvalds
Date: Tue Mar 01 2022 - 18:11:55 EST


On Tue, Mar 1, 2022 at 2:58 PM David Laight <David.Laight@xxxxxxxxxx> wrote:
>
> Can it be resolved by making:
> #define list_entry_is_head(pos, head, member) ((pos) == NULL)
> and double-checking that it isn't used anywhere else (except in
> the list macros themselves).

Well, yes, except for the fact that then the name is entirely misleading...

And somebody possibly uses it together with list_first_entry() etc, so
it really is completely broken to mix that change with the list
traversal change.

Linus

Linus