kconfig: do not allow more than one symbol to have 'option modules'

[platform/adaptation/renesas_rcar/renesas_kernel.git] / scripts / kconfig / menu.c

diff --git a/scripts/kconfig/menu.c b/scripts/kconfig/menu.c
index 3a9c674..c1d5320 100644 (file)
--- a/scripts/kconfig/menu.c
+++ b/scripts/kconfig/menu.c
@@ -199,6 +199,12 @@ void menu_add_option(int token, char *arg)
 {
        switch (token) {
        case T_OPT_MODULES:
+               if (modules_sym)
+                       zconf_error("symbol '%s' redefines option 'modules'"
+                                   " already defined by symbol '%s'",
+                                   current_entry->sym->name,
+                                   modules_sym->name
+                                   );
                modules_sym = current_entry->sym;
                break;
        case T_OPT_DEFCONFIG_LIST: