send_ldap_result( op, rs );
slap_graduate_commit_csn( op );
- if( preread_ctrl != NULL ) {
+ if( preread_ctrl != NULL && (*preread_ctrl) != NULL ) {
slap_sl_free( (*preread_ctrl)->ldctl_value.bv_val, op->o_tmpmemctx );
slap_sl_free( *preread_ctrl, op->o_tmpmemctx );
}