1 files changed, 72 insertions, 6 deletions

diff --git a/scripts/kconfig/confdata.c b/scripts/kconfig/confdata.c
index ee5fe943d58d..df6a188b9930 100644
--- a/scripts/kconfig/confdata.c
+++ b/scripts/kconfig/confdata.c
@@ -222,10 +222,8 @@ load:
                                 continue;
                         if (def == S_DEF_USER) {
                                 sym = sym_find(line + 9);
-                                if (!sym) {
-                                        conf_warning("trying to assign nonexistent symbol %s", line + 9);
+                                if (!sym)
                                         break;
-                                }
                         } else {
                                 sym = sym_lookup(line + 9, 0);
                                 if (sym->type == S_UNKNOWN)
@@ -261,10 +259,8 @@ load:
                         }
                         if (def == S_DEF_USER) {
                                 sym = sym_find(line + 7);
-                                if (!sym) {
-                                        conf_warning("trying to assign nonexistent symbol %s", line + 7);
+                                if (!sym)
                                         break;
-                                }
                         } else {
                                 sym = sym_lookup(line + 7, 0);
                                 if (sym->type == S_UNKNOWN)
@@ -812,3 +808,73 @@ void conf_set_changed_callback(void (*fn)(void))
 {
         conf_changed_callback = fn;
 }
+
+
+void conf_set_all_new_symbols(enum conf_def_mode mode)
+{
+        struct symbol *sym, *csym;
+        struct property *prop;
+        struct expr *e;
+        int i, cnt, def;
+
+        for_all_symbols(i, sym) {
+                if (sym_has_value(sym))
+                        continue;
+                switch (sym_get_type(sym)) {
+                case S_BOOLEAN:
+                case S_TRISTATE:
+                        switch (mode) {
+                        case def_yes:
+                                sym->def[S_DEF_USER].tri = yes;
+                                break;
+                        case def_mod:
+                                sym->def[S_DEF_USER].tri = mod;
+                                break;
+                        case def_no:
+                                sym->def[S_DEF_USER].tri = no;
+                                break;
+                        case def_random:
+                                sym->def[S_DEF_USER].tri = (tristate)(rand() % 3);
+                                break;
+                        default:
+                                continue;
+                        }
+                        if (!sym_is_choice(sym) || mode != def_random)
+                                sym->flags |= SYMBOL_DEF_USER;
+                        break;
+                default:
+                        break;
+                }
+
+        }
+
+        if (modules_sym)
+                sym_calc_value(modules_sym);
+
+        if (mode != def_random)
+                return;
+
+        for_all_symbols(i, csym) {
+                if (sym_has_value(csym) || !sym_is_choice(csym))
+                        continue;
+
+                sym_calc_value(csym);
+                prop = sym_get_choice_prop(csym);
+                def = -1;
+                while (1) {
+                        cnt = 0;
+                        expr_list_for_each_sym(prop->expr, e, sym) {
+                                if (sym->visible == no)
+                                        continue;
+                                if (def == cnt++) {
+                                        csym->def[S_DEF_USER].val = sym;
+                                        break;
+                                }
+                        }
+                        if (def >= 0 || cnt < 2)
+                                break;
+                        def = (rand() % cnt) + 1;
+                }
+                csym->flags |= SYMBOL_DEF_USER;
+        }
+}