menu: menu_get_choice() return -ENOENT if menu item is empty

menu_get_choice() needs to handle the case that menu item
is empty. In this case, menu_get_choice() returns -ENOENT.

Signed-off-by: Masahisa Kojima <masahisa.kojima@linaro.org>
Reviewed-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>

diff --git a/common/menu.c b/common/menu.c
index b577d80..f5fc693 100644 (file)
--- a/common/menu.c
+++ b/common/menu.c
@@ -271,6 +271,9 @@ int menu_get_choice(struct menu *m, void **choice)
        if (!m || !choice)
                return -EINVAL;
 
+       if (!m->item_cnt)
+               return -ENOENT;
+
        if (!m->prompt)
                return menu_default_choice(m, choice);