4 files changed, 18 insertions, 9 deletions

diff --git a/drivers/infiniband/core/device.c b/drivers/infiniband/core/device.c
index a5dfab6adf49..221468f77128 100644
--- a/drivers/infiniband/core/device.c
+++ b/drivers/infiniband/core/device.c
@@ -537,10 +537,11 @@ void ib_unregister_device(struct ib_device *device)
 	}
 	up_read(&lists_rwsem);
 
-	mutex_unlock(&device_mutex);
-
 	ib_device_unregister_rdmacg(device);
 	ib_device_unregister_sysfs(device);
+
+	mutex_unlock(&device_mutex);
+
 	ib_cache_cleanup_one(device);
 
 	ib_security_destroy_port_pkey_list(device);
diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c
index c551d2b275fd..739bd69ef1d4 100644
--- a/drivers/infiniband/core/uverbs_cmd.c
+++ b/drivers/infiniband/core/uverbs_cmd.c
@@ -1015,7 +1015,7 @@ static struct ib_ucq_object *create_cq(struct ib_uverbs_file *file,
 	cq->uobject       = &obj->uobject;
 	cq->comp_handler  = ib_uverbs_comp_handler;
 	cq->event_handler = ib_uverbs_cq_event_handler;
-	cq->cq_context    = &ev_file->ev_queue;
+	cq->cq_context    = ev_file ? &ev_file->ev_queue : NULL;
 	atomic_set(&cq->usecnt, 0);
 
 	obj->uobject.object = cq;
@@ -1522,6 +1522,7 @@ static int create_qp(struct ib_uverbs_file *file,
 		qp->qp_type	  = attr.qp_type;
 		atomic_set(&qp->usecnt, 0);
 		atomic_inc(&pd->usecnt);
+		qp->port = 0;
 		if (attr.send_cq)
 			atomic_inc(&attr.send_cq->usecnt);
 		if (attr.recv_cq)
@@ -1962,8 +1963,9 @@ static int modify_qp(struct ib_uverbs_file *file,
 	attr->alt_timeout	  = cmd->base.alt_timeout;
 	attr->rate_limit	  = cmd->rate_limit;
 
-	attr->ah_attr.type = rdma_ah_find_type(qp->device,
-					       cmd->base.dest.port_num);
+	if (cmd->base.attr_mask & IB_QP_AV)
+		attr->ah_attr.type = rdma_ah_find_type(qp->device,
+						       cmd->base.dest.port_num);
 	if (cmd->base.dest.is_global) {
 		rdma_ah_set_grh(&attr->ah_attr, NULL,
 				cmd->base.dest.flow_label,
@@ -1981,8 +1983,9 @@ static int modify_qp(struct ib_uverbs_file *file,
 	rdma_ah_set_port_num(&attr->ah_attr,
 			     cmd->base.dest.port_num);
 
-	attr->alt_ah_attr.type = rdma_ah_find_type(qp->device,
-						   cmd->base.dest.port_num);
+	if (cmd->base.attr_mask & IB_QP_ALT_PATH)
+		attr->alt_ah_attr.type =
+			rdma_ah_find_type(qp->device, cmd->base.dest.port_num);
 	if (cmd->base.alt_dest.is_global) {
 		rdma_ah_set_grh(&attr->alt_ah_attr, NULL,
 				cmd->base.alt_dest.flow_label,
diff --git a/drivers/infiniband/core/uverbs_main.c b/drivers/infiniband/core/uverbs_main.c
index c023e2c81b8f..5e530d2bee44 100644
--- a/drivers/infiniband/core/uverbs_main.c
+++ b/drivers/infiniband/core/uverbs_main.c
@@ -1153,7 +1153,6 @@ static void ib_uverbs_free_hw_resources(struct ib_uverbs_device *uverbs_dev,
 		kref_get(&file->ref);
 		mutex_unlock(&uverbs_dev->lists_mutex);
 
-		ib_uverbs_event_handler(&file->event_handler, &event);
 
 		mutex_lock(&file->cleanup_mutex);
 		ucontext = file->ucontext;
@@ -1170,6 +1169,7 @@ static void ib_uverbs_free_hw_resources(struct ib_uverbs_device *uverbs_dev,
 			 * for example due to freeing the resources
 			 * (e.g mmput).
 			 */
+			ib_uverbs_event_handler(&file->event_handler, &event);
 			ib_dev->disassociate_ucontext(ucontext);
 			mutex_lock(&file->cleanup_mutex);
 			ib_uverbs_cleanup_ucontext(file, ucontext, true);
diff --git a/drivers/infiniband/core/verbs.c b/drivers/infiniband/core/verbs.c
index 7f8fe443df46..b456e3ca1876 100644
--- a/drivers/infiniband/core/verbs.c
+++ b/drivers/infiniband/core/verbs.c
@@ -838,6 +838,7 @@ struct ib_qp *ib_create_qp(struct ib_pd *pd,
 	spin_lock_init(&qp->mr_lock);
 	INIT_LIST_HEAD(&qp->rdma_mrs);
 	INIT_LIST_HEAD(&qp->sig_mrs);
+	qp->port = 0;
 
 	if (qp_init_attr->qp_type == IB_QPT_XRC_TGT)
 		return ib_create_xrc_qp(qp, qp_init_attr);
@@ -1297,7 +1298,11 @@ int ib_modify_qp_with_udata(struct ib_qp *qp, struct ib_qp_attr *attr,
 		if (ret)
 			return ret;
 	}
-	return ib_security_modify_qp(qp, attr, attr_mask, udata);
+	ret = ib_security_modify_qp(qp, attr, attr_mask, udata);
+	if (!ret && (attr_mask & IB_QP_PORT))
+		qp->port = attr->port_num;
+
+	return ret;
 }
 EXPORT_SYMBOL(ib_modify_qp_with_udata);