kconfig: only write '# CONFIG_FOO is not set' for visible symbols

[carl9170fw.git] / config / symbol.c

diff --git a/config/symbol.c b/config/symbol.c
index 2220bc4b051bd914e34bd20beb351b98da5ecc86..0f7eba7d472a6a762e154bbcfede05b0ef8044db 100644 (file)
--- a/config/symbol.c
+++ b/config/symbol.c
@@ -403,9 +403,10 @@ void sym_calc_value(struct symbol *sym)
                        if (!sym_is_choice(sym)) {
                                prop = sym_get_default_prop(sym);
                                if (prop) {
-                                       sym->flags |= SYMBOL_WRITE;
                                        newval.tri = EXPR_AND(expr_calc_value(prop->expr),
                                                              prop->visible.tri);
+                                       if (newval.tri != no)
+                                               sym->flags |= SYMBOL_WRITE;
                                }
                                if (sym->implied.tri != no) {
                                        sym->flags |= SYMBOL_WRITE;