linux-kernel - [PATCH 15/27] modpost: move static EXPORT_SYMBOL check to check

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Message-Id: <20220424190811.1678416-16-masahiroy@kernel.org>
Date:   Mon, 25 Apr 2022 04:07:59 +0900
From:   Masahiro Yamada <masahiroy@...nel.org>
To:     linux-kbuild@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org,
        Masahiro Yamada <masahiroy@...nel.org>,
        Michal Marek <michal.lkml@...kovi.net>,
        Nick Desaulniers <ndesaulniers@...gle.com>
Subject: [PATCH 15/27] modpost: move static EXPORT_SYMBOL check to check_exports()

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@...nel.org>
---

 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 1793396e1323..14044cd94aaa 100644
--- a/scripts/mod/modpost.c
+++ b/scripts/mod/modpost.c
@@ -2195,6 +2195,12 @@ static void check_exports(struct module *mod)
 		if (!mod->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)
@@ -2506,7 +2512,6 @@ 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;
 
@@ -2602,16 +2607,6 @@ 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