RDMA/providers: Fix return value when QP type isn't supported

The proper return code is "-EOPNOTSUPP" when the requested QP type is
not supported by the provider.

Link: https://lore.kernel.org/r/20200130082049.463-1-kamalheib1@gmail.comSigned-off-by: Kamal Heib <kamalheib1@gmail.com>
Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>

drivers/infiniband/hw/bnxt_re/ib_verbs.c

@@ -1141,7 +1141,7 @@ static int bnxt_re_init_qp_type(struct bnxt_re_dev *rdev,
 	qptype = __from_ib_qp_type(init_attr->qp_type);
 	if (qptype == IB_QPT_MAX) {
 		ibdev_err(&rdev->ibdev, "QP type 0x%x not supported", qptype);
-		qptype = -EINVAL;
+		qptype = -EOPNOTSUPP;
 		goto out;
 	}
 

drivers/infiniband/hw/cxgb4/qp.c

@@ -2127,7 +2127,7 @@ struct ib_qp *c4iw_create_qp(struct ib_pd *pd, struct ib_qp_init_attr *attrs,
 	pr_debug("ib_pd %p\n", pd);
 
 	if (attrs->qp_type != IB_QPT_RC)
-		return ERR_PTR(-EINVAL);
+		return ERR_PTR(-EOPNOTSUPP);
 
 	php = to_c4iw_pd(pd);
 	rhp = php->rhp;

drivers/infiniband/hw/hns/hns_roce_qp.c

@@ -1261,7 +1261,7 @@ struct ib_qp *hns_roce_create_qp(struct ib_pd *pd,
 	default:{
 		ibdev_err(ibdev, "not support QP type %d\n",
 			  init_attr->qp_type);
-		return ERR_PTR(-EINVAL);
+		return ERR_PTR(-EOPNOTSUPP);
 	}
 	}
 

drivers/infiniband/hw/i40iw/i40iw_verbs.c

@@ -617,7 +617,7 @@ static struct ib_qp *i40iw_create_qp(struct ib_pd *ibpd,
 	iwqp->ctx_info.qp_compl_ctx = (uintptr_t)qp;
 
 	if (init_attr->qp_type != IB_QPT_RC) {
-		err_code = -EINVAL;
+		err_code = -EOPNOTSUPP;
 		goto error;
 	}
 	if (iwdev->push_mode)

drivers/infiniband/hw/mlx4/qp.c

@@ -1636,7 +1636,7 @@ static struct ib_qp *_mlx4_ib_create_qp(struct ib_pd *pd,
 	}
 	default:
 		/* Don't support raw QPs */
-		return ERR_PTR(-EINVAL);
+		return ERR_PTR(-EOPNOTSUPP);
 	}
 
 	return &qp->ibqp;

drivers/infiniband/hw/mlx5/qp.c

@@ -2789,7 +2789,7 @@ struct ib_qp *mlx5_ib_create_qp(struct ib_pd *pd,
 		mlx5_ib_dbg(dev, "unsupported qp type %d\n",
 			    init_attr->qp_type);
 		/* Don't support raw QPs */
-		return ERR_PTR(-EINVAL);
+		return ERR_PTR(-EOPNOTSUPP);
 	}
 
 	if (verbs_init_attr->qp_type == IB_QPT_DRIVER)

drivers/infiniband/hw/mthca/mthca_provider.c

@@ -561,7 +561,7 @@ static struct ib_qp *mthca_create_qp(struct ib_pd *pd,
 	}
 	default:
 		/* Don't support raw QPs */
-		return ERR_PTR(-ENOSYS);
+		return ERR_PTR(-EOPNOTSUPP);
 	}
 
 	if (err) {

drivers/infiniband/hw/ocrdma/ocrdma_verbs.c

@@ -1111,7 +1111,7 @@ static int ocrdma_check_qp_params(struct ib_pd *ibpd, struct ocrdma_dev *dev,
 	    (attrs->qp_type != IB_QPT_UD)) {
 		pr_err("%s(%d) unsupported qp type=0x%x requested\n",
 		       __func__, dev->id, attrs->qp_type);
-		return -EINVAL;
+		return -EOPNOTSUPP;
 	}
 	/* Skip the check for QP1 to support CM size of 128 */
 	if ((attrs->qp_type != IB_QPT_GSI) &&

drivers/infiniband/hw/qedr/verbs.c

@@ -1186,7 +1186,7 @@ static int qedr_check_qp_attrs(struct ib_pd *ibpd, struct qedr_dev *dev,
 		DP_DEBUG(dev, QEDR_MSG_QP,
 			 "create qp: unsupported qp type=0x%x requested\n",
 			 attrs->qp_type);
-		return -EINVAL;
+		return -EOPNOTSUPP;
 	}
 
 	if (attrs->cap.max_send_wr > qattr->max_sqe) {

drivers/infiniband/hw/usnic/usnic_ib_verbs.c

@@ -504,7 +504,7 @@ struct ib_qp *usnic_ib_create_qp(struct ib_pd *pd,
 	if (init_attr->qp_type != IB_QPT_UD) {
 		usnic_err("%s asked to make a non-UD QP: %d\n",
 			  dev_name(&us_ibdev->ib_dev.dev), init_attr->qp_type);
-		return ERR_PTR(-EINVAL);
+		return ERR_PTR(-EOPNOTSUPP);
 	}
 
 	trans_spec = cmd.spec;

drivers/infiniband/hw/vmw_pvrdma/pvrdma_qp.c

@@ -217,7 +217,7 @@ struct ib_qp *pvrdma_create_qp(struct ib_pd *pd,
 	    init_attr->qp_type != IB_QPT_GSI) {
 		dev_warn(&dev->pdev->dev, "queuepair type %d not supported\n",
 			 init_attr->qp_type);
-		return ERR_PTR(-EINVAL);
+		return ERR_PTR(-EOPNOTSUPP);
 	}
 
 	if (is_srq && !dev->dsr->caps.max_srq) {

drivers/infiniband/sw/rdmavt/qp.c

@@ -1196,7 +1196,7 @@ struct ib_qp *rvt_create_qp(struct ib_pd *ibpd,
 
 	default:
 		/* Don't support raw QPs */
-		return ERR_PTR(-EINVAL);
+		return ERR_PTR(-EOPNOTSUPP);
 	}
 
 	init_attr->cap.max_inline_data = 0;

drivers/infiniband/sw/siw/siw_verbs.c

@@ -323,7 +323,7 @@ struct ib_qp *siw_create_qp(struct ib_pd *pd,
 	}
 	if (attrs->qp_type != IB_QPT_RC) {
 		siw_dbg(base_dev, "only RC QP's supported\n");
-		rv = -EINVAL;
+		rv = -EOPNOTSUPP;
 		goto err_out;
 	}
 	if ((attrs->cap.max_send_wr > SIW_MAX_QP_WR) ||