s4/dn: handle case 'base' dn has no components

This could if the 'base' dn is special for example.

diff --git a/source4/lib/ldb/common/ldb_dn.c b/source4/lib/ldb/common/ldb_dn.c
index d91e9d9fa9bbbcb1da602d84a854776a8cfa78d3..00646f6ba54418dcac2d57bee3e671a9980eaa5f 100644 (file)
--- a/source4/lib/ldb/common/ldb_dn.c
+++ b/source4/lib/ldb/common/ldb_dn.c
@@ -1065,7 +1065,7 @@ int ldb_dn_compare_base(struct ldb_dn *base, struct ldb_dn *dn)
                return (dn->comp_num - base->comp_num);
        }
 
-       if (dn->comp_num == 0) {
+       if ((dn->comp_num == 0) || (base->comp_num == 0)) {
                if (dn->special && base->special) {
                        return strcmp(base->linearized, dn->linearized);
                } else if (dn->special) {