kconfig: Document automatic submenu creation code

[carl9170fw.git] / config / expr.c

diff --git a/config/expr.c b/config/expr.c
index cbf4996dd9c1045ecc7ffa66a9ec79edd99b1038..ee23ebc881a67e08f592606c5e1d53929eb362d4 100644 (file)
--- a/config/expr.c
+++ b/config/expr.c
@@ -113,7 +113,7 @@ void expr_free(struct expr *e)
                break;
        case E_NOT:
                expr_free(e->left.expr);
-               return;
+               break;
        case E_EQUAL:
        case E_GEQ:
        case E_GTH:
@@ -893,7 +893,10 @@ static enum string_value_kind expr_parse_string(const char *str,
        switch (type) {
        case S_BOOLEAN:
        case S_TRISTATE:
-               return k_string;
+               val->s = !strcmp(str, "n") ? 0 :
+                        !strcmp(str, "m") ? 1 :
+                        !strcmp(str, "y") ? 2 : -1;
+               return k_signed;
        case S_INT:
                val->s = strtoll(str, &tail, 10);
                kind = k_signed;