r19399: Now Guenther discovered one crash dereferencing domain->backends,

get paranoid. I don't think this can really happen, but let's be
sure.
Jeremy.
(This used to be commit be4709984b8548abf10a5e9fabba21d53440c42a)

diff --git a/source3/nsswitch/winbindd_cache.c b/source3/nsswitch/winbindd_cache.c
index cf161c11b6fb1efc02132db62379bd15356b4d38..baaa5826bbd12066b6c12adfe45b98290b78ea07 100644 (file)
--- a/source3/nsswitch/winbindd_cache.c
+++ b/source3/nsswitch/winbindd_cache.c
@@ -1124,7 +1124,7 @@ do_query:
                centry_put_string(centry, (*info)[i].shell);
                centry_put_sid(centry, &(*info)[i].user_sid);
                centry_put_sid(centry, &(*info)[i].group_sid);
-               if (domain->backend->consistent) {
+               if (domain->backend && domain->backend->consistent) {
                        /* when the backend is consistent we can pre-prime some mappings */
                        wcache_save_name_to_sid(domain, NT_STATUS_OK, 
                                                domain->name,