[PATCH 1/6] kconfig: do not call check_conf() for olddefconfig

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check_conf() traverses the menu tree, but it is completely no-op for
olddefconfig because the following if-else block does nothing.

    if (input_mode == listnewconfig) {
            ...
    } else if (input_mode != olddefconfig) {
            ...
    }

As the help message says, olddefconfig automatically sets new symbols
to their default value.  There is no room for manual intervention.
So, calling check_conf() for olddefconfig is odd in the first place.
Rather, olddefconfig belongs to the group of alldefconfig and defconfig.

Signed-off-by: Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx>
---

 scripts/kconfig/conf.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/scripts/kconfig/conf.c b/scripts/kconfig/conf.c
index 866369f..52cbe5d 100644
--- a/scripts/kconfig/conf.c
+++ b/scripts/kconfig/conf.c
@@ -434,7 +434,7 @@ static void check_conf(struct menu *menu)
 				if (sym->name && !sym_is_choice_value(sym)) {
 					printf("%s%s\n", CONFIG_, sym->name);
 				}
-			} else if (input_mode != olddefconfig) {
+			} else {
 				if (!conf_cnt++)
 					printf(_("*\n* Restart config...\n*\n"));
 				rootEntry = menu_get_parent_menu(menu);
@@ -674,15 +674,15 @@ int main(int ac, char **av)
 		/* fall through */
 	case oldconfig:
 	case listnewconfig:
-	case olddefconfig:
 	case silentoldconfig:
 		/* Update until a loop caused no more changes */
 		do {
 			conf_cnt = 0;
 			check_conf(&rootmenu);
-		} while (conf_cnt &&
-			 (input_mode != listnewconfig &&
-			  input_mode != olddefconfig));
+		} while (conf_cnt && input_mode != listnewconfig);
+		break;
+	case olddefconfig:
+	default:
 		break;
 	}
 
-- 
2.7.4

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