kconfig: remove string expansion for mainmenu after yyparse()
Now that environments are expanded in the lexer, conf_parse() does
not need to expand them explicitly.
The hack introduced by commit 0724a7c32a54 ("kconfig: Don't leak
main menus during parsing") can go away.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Ulf Magnusson <ulfalizer@gmail.com>
diff --git a/scripts/kconfig/zconf.y b/scripts/kconfig/zconf.y
index 031b2e2..22e318c 100644
--- a/scripts/kconfig/zconf.y
+++ b/scripts/kconfig/zconf.y
@@ -109,7 +109,7 @@
%%
input: nl start | start;
-start: mainmenu_stmt stmt_list | no_mainmenu_stmt stmt_list;
+start: mainmenu_stmt stmt_list | stmt_list;
/* mainmenu entry */
@@ -118,19 +118,6 @@
menu_add_prompt(P_MENU, $2, NULL);
};
-/* Default main menu, if there's no mainmenu entry */
-
-no_mainmenu_stmt: /* empty */
-{
- /*
- * Hack: Keep the main menu title on the heap so we can safely free it
- * later regardless of whether it comes from the 'prompt' in
- * mainmenu_stmt or here
- */
- menu_add_prompt(P_MENU, xstrdup("Linux Kernel Configuration"), NULL);
-};
-
-
stmt_list:
/* empty */
| stmt_list common_stmt
@@ -528,7 +515,6 @@
void conf_parse(const char *name)
{
- const char *tmp;
struct symbol *sym;
int i;
@@ -544,10 +530,10 @@
if (!modules_sym)
modules_sym = sym_find( "n" );
- tmp = rootmenu.prompt->text;
- rootmenu.prompt->text = rootmenu.prompt->text;
- rootmenu.prompt->text = sym_expand_string_value(rootmenu.prompt->text);
- free((char*)tmp);
+ if (!menu_has_prompt(&rootmenu)) {
+ current_entry = &rootmenu;
+ menu_add_prompt(P_MENU, "Linux Kernel Configuration", NULL);
+ }
menu_finalize(&rootmenu);
for_all_symbols(i, sym) {