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Subject[PATCH 2/2] kconfig: use menu_for_each_entry() to traverse menu tree
Date
Use menu_for_each_entry() to traverse the menu tree instead of
implementing similar logic in each function.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
---

scripts/kconfig/confdata.c | 28 +++++-----------------------
scripts/kconfig/parser.y | 13 +------------
2 files changed, 6 insertions(+), 35 deletions(-)

diff --git a/scripts/kconfig/confdata.c b/scripts/kconfig/confdata.c
index 0e35c4819cf1..ce0ef417b71b 100644
--- a/scripts/kconfig/confdata.c
+++ b/scripts/kconfig/confdata.c
@@ -793,23 +793,19 @@ int conf_write_defconfig(const char *filename)

sym_clear_all_valid();

- /* Traverse all menus to find all relevant symbols */
- menu = rootmenu.list;
-
- while (menu != NULL)
- {
+ menu_for_each_entry(menu) {
sym = menu->sym;
if (sym && !sym_is_choice(sym)) {
sym_calc_value(sym);
if (!(sym->flags & SYMBOL_WRITE))
- goto next_menu;
+ continue;
sym->flags &= ~SYMBOL_WRITE;
/* If we cannot change the symbol - skip */
if (!sym_is_changeable(sym))
- goto next_menu;
+ continue;
/* If symbol equals to default value - skip */
if (strcmp(sym_get_string_value(sym), sym_get_string_default(sym)) == 0)
- goto next_menu;
+ continue;

/*
* If symbol is a choice value and equals to the
@@ -827,25 +823,11 @@ int conf_write_defconfig(const char *filename)
if (!sym_is_optional(cs) && sym == ds) {
if ((sym->type == S_BOOLEAN) &&
sym_get_tristate_value(sym) == yes)
- goto next_menu;
+ continue;
}
}
print_symbol_for_dotconfig(out, sym);
}
-next_menu:
- if (menu->list != NULL) {
- menu = menu->list;
- }
- else if (menu->next != NULL) {
- menu = menu->next;
- } else {
- while ((menu = menu->parent)) {
- if (menu->next != NULL) {
- menu = menu->next;
- break;
- }
- }
- }
}
fclose(out);
return 0;
diff --git a/scripts/kconfig/parser.y b/scripts/kconfig/parser.y
index 7fb996612c96..8f339b47fe8d 100644
--- a/scripts/kconfig/parser.y
+++ b/scripts/kconfig/parser.y
@@ -517,20 +517,9 @@ void conf_parse(const char *name)

menu_finalize();

- menu = &rootmenu;
- while (menu) {
+ menu_for_each_entry(menu) {
if (menu->sym && sym_check_deps(menu->sym))
yynerrs++;
-
- if (menu->list) {
- menu = menu->list;
- continue;
- }
-
- while (!menu->next && menu->parent)
- menu = menu->parent;
-
- menu = menu->next;
}

if (yynerrs)
--
2.40.1

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