linux-kernel - [PATCH v9 06/11] modpost: squash sym_update_namespace() into sym_add

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Date:   Mon, 12 Jun 2023 00:50:55 +0900
From:   Masahiro Yamada <masahiroy@...nel.org>
To:     linux-kbuild@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org,
        Nathan Chancellor <nathan@...nel.org>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Nicolas Schier <nicolas@...sle.eu>,
        linux-snps-arc@...ts.infradead.org,
        Masahiro Yamada <masahiroy@...nel.org>
Subject: [PATCH v9 06/11] modpost: squash sym_update_namespace() into sym_add_exported()

Pass a set of the name, license, and namespace to sym_add_exported().

sym_update_namespace() is unneeded.

Signed-off-by: Masahiro Yamada <masahiroy@...nel.org>
Reviewed-by: Nick Desaulniers <ndesaulniers@...gle.com>
---

 scripts/mod/modpost.c | 27 ++++-----------------------
 1 file changed, 4 insertions(+), 23 deletions(-)

diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
index 10da82ad5874..79ad0a346a5c 100644
--- a/scripts/mod/modpost.c
+++ b/scripts/mod/modpost.c
@@ -355,26 +355,8 @@ static const char *sec_name(const struct elf_info *info, unsigned int secindex)
 
 #define strstarts(str, prefix) (strncmp(str, prefix, strlen(prefix)) == 0)
 
-static void sym_update_namespace(const char *symname, const char *namespace)
-{
-	struct symbol *s = find_symbol(symname);
-
-	/*
-	 * That symbol should have been created earlier and thus this is
-	 * actually an assertion.
-	 */
-	if (!s) {
-		error("Could not update namespace(%s) for symbol %s\n",
-		      namespace, symname);
-		return;
-	}
-
-	free(s->namespace);
-	s->namespace = namespace[0] ? NOFAIL(strdup(namespace)) : NULL;
-}
-
 static struct symbol *sym_add_exported(const char *name, struct module *mod,
-				       bool gpl_only)
+				       bool gpl_only, const char *namespace)
 {
 	struct symbol *s = find_symbol(name);
 
@@ -387,6 +369,7 @@ static struct symbol *sym_add_exported(const char *name, struct module *mod,
 	s = alloc_symbol(name);
 	s->module = mod;
 	s->is_gpl_only = gpl_only;
+	s->namespace = namespace[0] ? NOFAIL(strdup(namespace)) : NULL;
 	list_add_tail(&s->list, &mod->exported_symbols);
 	hash_add_symbol(s);
 
@@ -1236,8 +1219,7 @@ static void check_export_symbol(struct module *mod, struct elf_info *elf,
 	}
 
 	data += strlen(data) + 1;	/* namespace */
-	s = sym_add_exported(name, mod, is_gpl);
-	sym_update_namespace(name, data);
+	s = sym_add_exported(name, mod, is_gpl, data);
 
 	/*
 	 * We need to be aware whether we are exporting a function or
@@ -2180,9 +2162,8 @@ static void read_dump(const char *fname)
 			mod = new_module(modname, strlen(modname));
 			mod->from_dump = true;
 		}
-		s = sym_add_exported(symname, mod, gpl_only);
+		s = sym_add_exported(symname, mod, gpl_only, namespace);
 		sym_set_crc(s, crc);
-		sym_update_namespace(symname, namespace);
 	}
 	free(buf);
 	return;
-- 
2.39.2