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Date:   Sun, 21 Feb 2021 18:26:22 +0900
From:   Masahiro Yamada <masahiroy@...nel.org>
To:     linux-kbuild@...r.kernel.org
Cc:     Masahiro Yamada <masahiroy@...nel.org>,
        linux-kernel@...r.kernel.org
Subject: [PATCH 1/2] kconfig: clean up nested if-conditionals in check_conf()

Unify the outer two if-conditionals into one. This decreases the
indent level by one.

Also, change the if-else blocks:

    if (input_mode == listnewconfig) {
            ...
    } else if (input_mode == helpnewconfig) {
            ...
    } else {
            ...
    }

into the switch statement.

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

 scripts/kconfig/conf.c | 55 ++++++++++++++++++++++--------------------
 1 file changed, 29 insertions(+), 26 deletions(-)

diff --git a/scripts/kconfig/conf.c b/scripts/kconfig/conf.c
index 18a233d27a8d..369615d6c97e 100644
--- a/scripts/kconfig/conf.c
+++ b/scripts/kconfig/conf.c
@@ -419,34 +419,37 @@ static void check_conf(struct menu *menu)
 		return;
 
 	sym = menu->sym;
-	if (sym && !sym_has_value(sym)) {
-		if (sym_is_changeable(sym) ||
-		    (sym_is_choice(sym) && sym_get_tristate_value(sym) == yes)) {
-			if (input_mode == listnewconfig) {
-				if (sym->name) {
-					const char *str;
-
-					if (sym->type == S_STRING) {
-						str = sym_get_string_value(sym);
-						str = sym_escape_string_value(str);
-						printf("%s%s=%s\n", CONFIG_, sym->name, str);
-						free((void *)str);
-					} else {
-						str = sym_get_string_value(sym);
-						printf("%s%s=%s\n", CONFIG_, sym->name, str);
-					}
-				}
-			} else if (input_mode == helpnewconfig) {
-				printf("-----\n");
-				print_help(menu);
-				printf("-----\n");
+	if (sym && !sym_has_value(sym) &&
+	    (sym_is_changeable(sym) ||
+	     (sym_is_choice(sym) && sym_get_tristate_value(sym) == yes))) {
 
-			} else {
-				if (!conf_cnt++)
-					printf("*\n* Restart config...\n*\n");
-				rootEntry = menu_get_parent_menu(menu);
-				conf(rootEntry);
+		switch (input_mode) {
+		case listnewconfig:
+			if (sym->name) {
+				const char *str;
+
+				if (sym->type == S_STRING) {
+					str = sym_get_string_value(sym);
+					str = sym_escape_string_value(str);
+					printf("%s%s=%s\n", CONFIG_, sym->name, str);
+					free((void *)str);
+				} else {
+					str = sym_get_string_value(sym);
+					printf("%s%s=%s\n", CONFIG_, sym->name, str);
+				}
 			}
+			break;
+		case helpnewconfig:
+			printf("-----\n");
+			print_help(menu);
+			printf("-----\n");
+			break;
+		default:
+			if (!conf_cnt++)
+				printf("*\n* Restart config...\n*\n");
+			rootEntry = menu_get_parent_menu(menu);
+			conf(rootEntry);
+			break;
 		}
 	}
 
-- 
2.27.0

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