IB/hfi1: Replace qp->refcount release code with standard driver wrapper

Some parts of the code don't use the standard release
wrapper rvt_put_qp() for decrementing and testing
the refcount to then try to use a resource.
Replace this code with the standard driver wrapper.

Fixes: Commit 4d6f85c3fa ("IB/rdmavt, IB/qib, IB/hfi1: Use new QP put get routines")
Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Sebastian Sanchez <sebastian.sanchez@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>

drivers/infiniband/hw/hfi1/driver.c

@@ -793,8 +793,7 @@ static inline void process_rcv_qp_work(struct hfi1_packet *packet)
 				hfi1_schedule_send(qp);
 			spin_unlock_irqrestore(&qp->s_lock, flags);
 		}
-		if (atomic_dec_and_test(&qp->refcount))
-			wake_up(&qp->wait);
+		rvt_put_qp(qp);
 	}
 }
 

drivers/infiniband/sw/rdmavt/mcast.c

@@ -81,7 +81,7 @@ static struct rvt_mcast_qp *rvt_mcast_qp_alloc(struct rvt_qp *qp)
 		goto bail;
 
 	mqp->qp = qp;
-	atomic_inc(&qp->refcount);
+	rvt_get_qp(qp);
 
 bail:
 	return mqp;
@@ -92,8 +92,7 @@ static void rvt_mcast_qp_free(struct rvt_mcast_qp *mqp)
 	struct rvt_qp *qp = mqp->qp;
 
 	/* Notify hfi1_destroy_qp() if it is waiting. */
-	if (atomic_dec_and_test(&qp->refcount))
-		wake_up(&qp->wait);
+	rvt_put_qp(qp);
 
 	kfree(mqp);
 }