+ if (!mod) {
+ rs->sr_err = slap_modrdn2mods( op, rs, e, old_rdn, new_rdn, &mod );
+ if ( rs->sr_err != LDAP_SUCCESS ) {
+ goto return_results;
+ }
+ }
+
+ if( op->o_preread ) {
+ if( slap_read_controls( op, rs, e,
+ &slap_pre_read_bv, &ctrls[num_ctrls] ) )
+ {
+#ifdef NEW_LOGGING
+ LDAP_LOG ( OPERATION, DETAIL1,
+ "<=- bdb_modrdn: post-read failed!\n", 0, 0, 0 );
+#else
+ Debug( LDAP_DEBUG_TRACE,
+ "<=- bdb_modrdn: post-read failed!\n", 0, 0, 0 );
+#endif
+ goto return_results;
+ }
+ ctrls[++num_ctrls] = NULL;
+ op->o_preread = 0; /* prevent redo on retry */
+ }
+
+ /* nested transaction */
+ rs->sr_err = TXN_BEGIN( bdb->bi_dbenv, ltid, <2, bdb->bi_db_opflags );
+ rs->sr_text = NULL;
+ if( rs->sr_err != 0 ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG ( OPERATION, ERR,
+ "bdb_modrdn: txn_begin(2) failed: %s (%d)\n",
+ db_strerror(rs->sr_err), rs->sr_err, 0 );
+#else
+ Debug( LDAP_DEBUG_TRACE,
+ "bdb_modrdn: txn_begin(2) failed: %s (%d)\n",
+ db_strerror(rs->sr_err), rs->sr_err, 0 );
+#endif
+ rs->sr_err = LDAP_OTHER;
+ rs->sr_text = "internal error";