Fix:Core:Fix coverity bug #37, Pointer 'diitem' dereferenced before NULL check.

git-svn-id: https://navit.svn.sourceforge.net/svnroot/navit/trunk/navit@2342 ffa7fe5e-494d-0410-b361-a75ebd5db220

diff --git a/navit/popup.c b/navit/popup.c
index d5c09f1..2b8611d 100644 (file)
--- a/navit/popup.c
+++ b/navit/popup.c
@@ -259,7 +259,7 @@ popup_show_item(struct navit *nav, void *popup, struct displayitem *di)
        menu_item=popup_printf(menu, menu_type_submenu, "Item");
        popup_printf(menu_item, menu_type_menu, "type: 0x%x", diitem->type);
        popup_printf(menu_item, menu_type_menu, "id: 0x%x 0x%x", diitem->id_hi, diitem->id_lo);
-       if (diitem->map) {
+       if (diitem && diitem->map) {
                mr=map_rect_new(diitem->map,NULL);
                item=map_rect_get_item_byid(mr, diitem->id_hi, diitem->id_lo);
                dbg(1,"item=%p\n", item);