kconfig: make conf_unsaved a local variable of conf_read()

conf_unsaved is initialized by conf_read_simple(), but it is possible
to move it to conf_read() so that it can be a local variable.

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

diff --git a/scripts/kconfig/confdata.c b/scripts/kconfig/confdata.c
index 027f5b4892cf01b6eee61c51a800b5d283e67b18..f7927391de301eb6777387b742bf3b14cedf88bf 100644 (file)
--- a/scripts/kconfig/confdata.c
+++ b/scripts/kconfig/confdata.c
@@ -28,7 +28,7 @@ static void conf_message(const char *fmt, ...)
        __attribute__ ((format (printf, 1, 2)));
 
 static const char *conf_filename;
-static int conf_lineno, conf_warnings, conf_unsaved;
+static int conf_lineno, conf_warnings;
 
 const char conf_defname[] = "arch/$ARCH/defconfig";
 
@@ -290,7 +290,6 @@ load:
        conf_filename = name;
        conf_lineno = 0;
        conf_warnings = 0;
-       conf_unsaved = 0;
 
        def_flags = SYMBOL_DEF << def;
        for_all_symbols(i, sym) {
@@ -409,6 +408,7 @@ setsym:
 int conf_read(const char *name)
 {
        struct symbol *sym;
+       int conf_unsaved = 0;
        int i;
 
        sym_set_change_count(0);