diff --git a/sys/ofed/drivers/infiniband/core/ib_sa_query.c b/sys/ofed/drivers/infiniband/core/ib_sa_query.c
--- a/sys/ofed/drivers/infiniband/core/ib_sa_query.c
+++ b/sys/ofed/drivers/infiniband/core/ib_sa_query.c
@@ -622,6 +622,8 @@
 	agent = query->port->agent;
 	mad_buf = query->mad_buf;
 	spin_unlock_irqrestore(&idr_lock, flags);
+
+	ib_cancel_mad(agent, mad_buf);
 }
 EXPORT_SYMBOL(ib_sa_cancel_query);