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-rw-r--r--scripts/kconfig/confdata.c37
1 files changed, 26 insertions, 11 deletions
diff --git a/scripts/kconfig/confdata.c b/scripts/kconfig/confdata.c
index 664fe29dacef..b2913e9da495 100644
--- a/scripts/kconfig/confdata.c
+++ b/scripts/kconfig/confdata.c
@@ -341,27 +341,42 @@ int conf_read(const char *name)
conf_unsaved++;
/* maybe print value in verbose mode... */
sym_ok:
+ if (!sym_is_choice(sym))
+ continue;
+ /* The choice symbol only has a set value (and thus is not new)
+ * if all its visible childs have values.
+ */
+ prop = sym_get_choice_prop(sym);
+ flags = sym->flags;
+ for (e = prop->expr; e; e = e->left.expr)
+ if (e->right.sym->visible != no)
+ flags &= e->right.sym->flags;
+ sym->flags &= flags | ~SYMBOL_DEF_USER;
+ }
+
+ for_all_symbols(i, sym) {
if (sym_has_value(sym) && !sym_is_choice_value(sym)) {
- if (sym->visible == no)
+ /* Reset values of generates values, so they'll appear
+ * as new, if they should become visible, but that
+ * doesn't quite work if the Kconfig and the saved
+ * configuration disagree.
+ */
+ if (sym->visible == no && !conf_unsaved)
sym->flags &= ~SYMBOL_DEF_USER;
switch (sym->type) {
case S_STRING:
case S_INT:
case S_HEX:
- if (!sym_string_within_range(sym, sym->def[S_DEF_USER].val))
- sym->flags &= ~(SYMBOL_VALID|SYMBOL_DEF_USER);
+ /* Reset a string value if it's out of range */
+ if (sym_string_within_range(sym, sym->def[S_DEF_USER].val))
+ break;
+ sym->flags &= ~(SYMBOL_VALID|SYMBOL_DEF_USER);
+ conf_unsaved++;
+ break;
default:
break;
}
}
- if (!sym_is_choice(sym))
- continue;
- prop = sym_get_choice_prop(sym);
- flags = sym->flags;
- for (e = prop->expr; e; e = e->left.expr)
- if (e->right.sym->visible != no)
- flags &= e->right.sym->flags;
- sym->flags &= flags | ~SYMBOL_DEF_USER;
}
sym_add_change_count(conf_warnings || conf_unsaved);