Fix parse_kconfig symbol default

Generated rules for symbols default values was used without information
about their order. Kconfig documentation specifies that only first
valid default value specification should be used.

1 files changed, 2 insertions, 1 deletions

diff --git a/scripts/parse_kconfig/boolexpr.c b/scripts/parse_kconfig/boolexpr.c
index b6f008d..0595461 100644
--- a/scripts/parse_kconfig/boolexpr.c
+++ b/scripts/parse_kconfig/boolexpr.c
@@ -286,6 +286,7 @@ void boolexpr_free(struct boolexpr *e) {
 }
 
 struct boolexpr *boolexpr_copy(struct boolexpr *e) {
+    struct boolexpr *cop = e;
     struct boolexpr **stack;
     size_t stack_size = 2, stack_pos = 0;
     stack = malloc(stack_size * sizeof(struct boolexpr *));
@@ -311,5 +312,5 @@ struct boolexpr *boolexpr_copy(struct boolexpr *e) {
         }
     }
     free(stack);
-    return e;
+    return cop;
 }