kconfig: fix segfault when detecting recursive dependency

[~andy/linux] / scripts / kconfig / symbol.c

diff --git a/scripts/kconfig/symbol.c b/scripts/kconfig/symbol.c
index e95718fea3555de1b8db125b16add3cf9a350719..943712ca6c0a6a0eb5bbf97dbba2a2d20e495b47 100644 (file)
--- a/scripts/kconfig/symbol.c
+++ b/scripts/kconfig/symbol.c
@@ -937,6 +937,8 @@ static void sym_check_print_recursive(struct symbol *last_sym)
                sym = stack->sym;
                next_sym = stack->next ? stack->next->sym : last_sym;
                prop = stack->prop;
+               if (prop == NULL)
+                       prop = stack->sym->prop;
 
                /* for choice values find the menu entry (used below) */
                if (sym_is_choice(sym) || sym_is_choice_value(sym)) {