Re: [PATCH v2 10/26] modpost: move static EXPORT_SYMBOL check to check_exports()

Nick Desaulniers
2022-05-03T21:55:12Z

On Sun, May 1, 2022 at 1:42 AM Masahiro Yamada <masahiroy@kernel.org> wrote:
>
> Now that struct module has a list of symbols it exports, this check
> can go into check_exports(). The code becomes shorter.
>
> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>

Thanks for the patch!
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>

> ---
>
> (no changes since v1)
>
> scripts/mod/modpost.c | 17 ++++++-----------
> 1 file changed, 6 insertions(+), 11 deletions(-)
>
> diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
> index cd49ef7b5953..4ce8d164b8e0 100644
> --- a/scripts/mod/modpost.c
> +++ b/scripts/mod/modpost.c
> @@ -2199,6 +2199,12 @@ static void check_exports(struct module *mod)
> if (!mod->is_gpl_compatible)
> check_for_gpl_usage(exp->export, basename, exp->name);
> }
> +
> + list_for_each_entry(s, &mod->exported_symbols, list) {
> + if (s->is_static)
> + error("\"%s\" [%s] is a static %s\n",
> + s->name, mod->name, export_str(s->export));
> + }
> }
>
> static void check_modname_len(struct module *mod)
> @@ -2510,7 +2516,6 @@ int main(int argc, char **argv)
> char *missing_namespace_deps = NULL;
> char *dump_write = NULL, *files_source = NULL;
> int opt;
> - int n;
> LIST_HEAD(dump_lists);
> struct dump_list *dl, *dl2;
>
> @@ -2606,16 +2611,6 @@ int main(int argc, char **argv)
> if (sec_mismatch_count && !sec_mismatch_warn_only)
> error("Section mismatches detected.\n"
> "Set CONFIG_SECTION_MISMATCH_WARN_ONLY=y to allow them.\n");
> - for (n = 0; n < SYMBOL_HASH_SIZE; n++) {
> - struct symbol *s;
> -
> - for (s = symbolhash[n]; s; s = s->next) {
> - if (s->is_static)
> - error("\"%s\" [%s] is a static %s\n",
> - s->name, s->module->name,
> - export_str(s->export));
> - }
> - }
>
> if (nr_unresolved > MAX_UNRESOLVED_REPORTS)
> warn("suppressed %u unresolved symbol warnings because there were too many)\n",
> --
> 2.32.0
>

--
Thanks,
~Nick Desaulniers