RDMA/irdma: Propagate error codes

All functions now return linux error codes. Propagate the return from
these functions as opposed to converting them to generic values.

Link: https://lore.kernel.org/r/20220217151851.1518-3-shiraz.saleem@intel.comSigned-off-by: Shiraz Saleem <shiraz.saleem@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>

drivers/infiniband/hw/irdma/hw.c

@@ -1099,7 +1099,7 @@ static int irdma_cfg_ceq_vector(struct irdma_pci_f *rf, struct irdma_ceq *iwceq,
 	irq_update_affinity_hint(msix_vec->irq, &msix_vec->mask);
 	if (status) {
 		ibdev_dbg(&rf->iwdev->ibdev, "ERR: ceq irq config fail\n");
-		return -EINVAL;
+		return status;
 	}
 
 	msix_vec->ceq_id = ceq_id;

drivers/infiniband/hw/irdma/main.c

@@ -176,7 +176,7 @@ static int irdma_lan_register_qset(struct irdma_sc_vsi *vsi,
 	ret = ice_add_rdma_qset(pf, &qset);
 	if (ret) {
 		ibdev_dbg(&iwdev->ibdev, "WS: LAN alloc_res for rdma qset failed.\n");
-		return -EINVAL;
+		return ret;
 	}
 
 	tc_node->l2_sched_node_id = qset.teid;
@@ -280,10 +280,9 @@ static int irdma_probe(struct auxiliary_device *aux_dev, const struct auxiliary_
 	irdma_fill_device_info(iwdev, pf, vsi);
 	rf = iwdev->rf;
 
-	if (irdma_ctrl_init_hw(rf)) {
-		err = -EIO;
+	err = irdma_ctrl_init_hw(rf);
+	if (err)
 		goto err_ctrl_init;
-	}
 
 	l2params.mtu = iwdev->netdev->mtu;
 	ice_get_qos_params(pf, &qos_info);
@@ -291,10 +290,9 @@ static int irdma_probe(struct auxiliary_device *aux_dev, const struct auxiliary_
 	if (iwdev->rf->protocol_used != IRDMA_IWARP_PROTOCOL_ONLY)
 		iwdev->dcb_vlan_mode = l2params.num_tc > 1 && !l2params.dscp_mode;
 
-	if (irdma_rt_init_hw(iwdev, &l2params)) {
-		err = -EIO;
+	err = irdma_rt_init_hw(iwdev, &l2params);
+	if (err)
 		goto err_rt_init;
-	}
 
 	err = irdma_ib_register_device(iwdev);
 	if (err)

drivers/infiniband/hw/irdma/verbs.c

@@ -603,7 +603,7 @@ static int irdma_setup_kmode_qp(struct irdma_device *iwdev,
 	status = irdma_get_sqdepth(uk_attrs, ukinfo->sq_size, sqshift,
 				   &sqdepth);
 	if (status)
-		return -ENOMEM;
+		return status;
 
 	if (uk_attrs->hw_rev == IRDMA_GEN_1)
 		rqshift = IRDMA_MAX_RQ_WQE_SHIFT_GEN1;
@@ -614,7 +614,7 @@ static int irdma_setup_kmode_qp(struct irdma_device *iwdev,
 	status = irdma_get_rqdepth(uk_attrs, ukinfo->rq_size, rqshift,
 				   &rqdepth);
 	if (status)
-		return -ENOMEM;
+		return status;
 
 	iwqp->kqp.sq_wrid_mem =
 		kcalloc(sqdepth, sizeof(*iwqp->kqp.sq_wrid_mem), GFP_KERNEL);
@@ -688,7 +688,7 @@ static int irdma_cqp_create_qp_cmd(struct irdma_qp *iwqp)
 	status = irdma_handle_cqp_op(rf, cqp_request);
 	irdma_put_cqp_request(&rf->cqp, cqp_request);
 
-	return status ? -ENOMEM : 0;
+	return status;
 }
 
 static void irdma_roce_fill_and_set_qpctx_info(struct irdma_qp *iwqp,
@@ -2316,7 +2316,7 @@ static int irdma_setup_pbles(struct irdma_pci_f *rf, struct irdma_mr *iwmr,
 		status = irdma_get_pble(rf->pble_rsrc, palloc, iwmr->page_cnt,
 					false);
 		if (status)
-			return -ENOMEM;
+			return status;
 
 		iwpbl->pbl_allocated = true;
 		level = palloc->level;
@@ -2457,7 +2457,7 @@ static int irdma_hw_alloc_mw(struct irdma_device *iwdev, struct irdma_mr *iwmr)
 	status = irdma_handle_cqp_op(iwdev->rf, cqp_request);
 	irdma_put_cqp_request(&iwdev->rf->cqp, cqp_request);
 
-	return status ? -ENOMEM : 0;
+	return status;
 }
 
 /**
@@ -3553,7 +3553,7 @@ static int __irdma_poll_cq(struct irdma_cq *iwcq, int num_entries, struct ib_wc
 	ibdev_dbg(&iwdev->ibdev, "%s: Error polling CQ, irdma_err: %d\n",
 		  __func__, ret);
 
-	return -EINVAL;
+	return ret;
 }
 
 /**
@@ -3873,10 +3873,8 @@ static int irdma_mcast_cqp_op(struct irdma_device *iwdev,
 	cqp_info->in.u.mc_create.cqp = &iwdev->rf->cqp.sc_cqp;
 	status = irdma_handle_cqp_op(iwdev->rf, cqp_request);
 	irdma_put_cqp_request(&iwdev->rf->cqp, cqp_request);
-	if (status)
-		return -ENOMEM;
 
-	return 0;
+	return status;
 }
 
 /**