Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma

Pull rdma updates from Jason Gunthorpe:

 - Minor bug fixes in mlx5, mthca, pvrdma, rtrs, mlx4, hfi1, hns

 - Minor cleanups: coding style, useless includes and documentation

 - Reorganize how multicast processing works in rxe

 - Replace a red/black tree with xarray in rxe which improves performance

 - DSCP support and HW address handle re-use in irdma

 - Simplify the mailbox command handling in hns

 - Simplify iser now that FMR is eliminated

* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma: (93 commits)
  RDMA/nldev: Prevent underflow in nldev_stat_set_counter_dynamic_doit()
  IB/iser: Fix error flow in case of registration failure
  IB/iser: Generalize map/unmap dma tasks
  IB/iser: Use iser_fr_desc as registration context
  IB/iser: Remove iser_reg_data_sg helper function
  RDMA/rxe: Use standard names for ref counting
  RDMA/rxe: Replace red-black trees by xarrays
  RDMA/rxe: Shorten pool names in rxe_pool.c
  RDMA/rxe: Move max_elem into rxe_type_info
  RDMA/rxe: Replace obj by elem in declaration
  RDMA/rxe: Delete _locked() APIs for pool objects
  RDMA/rxe: Reverse the sense of RXE_POOL_NO_ALLOC
  RDMA/rxe: Replace mr by rkey in responder resources
  RDMA/rxe: Fix ref error in rxe_av.c
  RDMA/hns: Use the reserved loopback QPs to free MR before destroying MPT
  RDMA/irdma: Add support for address handle re-use
  RDMA/qib: Fix typos in comments
  RDMA/mlx5: Fix memory leak in error flow for subscribe event routine
  Revert "RDMA/core: Fix ib_qp_usecnt_dec() called when error"
  RDMA/rxe: Remove useless argument for update_state()
  ...

1 files changed, 9 insertions, 10 deletions

diff --git a/drivers/infiniband/hw/irdma/ws.c b/drivers/infiniband/hw/irdma/ws.c
index b0d6ee0739f5..20bc8d0d7f1f 100644
--- a/drivers/infiniband/hw/irdma/ws.c
+++ b/drivers/infiniband/hw/irdma/ws.c
@@ -1,7 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB
 /* Copyright (c) 2017 - 2021 Intel Corporation */
 #include "osdep.h"
-#include "status.h"
 #include "hmc.h"
 #include "defs.h"
 #include "type.h"
@@ -87,8 +86,8 @@ static void irdma_free_node(struct irdma_sc_vsi *vsi,
  * @node: pointer to node
  * @cmd: add, remove or modify
  */
-static enum irdma_status_code
-irdma_ws_cqp_cmd(struct irdma_sc_vsi *vsi, struct irdma_ws_node *node, u8 cmd)
+static int irdma_ws_cqp_cmd(struct irdma_sc_vsi *vsi,
+			    struct irdma_ws_node *node, u8 cmd)
 {
 	struct irdma_ws_node_info node_info = {};
 
@@ -106,7 +105,7 @@ irdma_ws_cqp_cmd(struct irdma_sc_vsi *vsi, struct irdma_ws_node *node, u8 cmd)
 	node_info.enable = node->enable;
 	if (irdma_cqp_ws_node_cmd(vsi->dev, cmd, &node_info)) {
 		ibdev_dbg(to_ibdev(vsi->dev), "WS: CQP WS CMD failed\n");
-		return IRDMA_ERR_NO_MEMORY;
+		return -ENOMEM;
 	}
 
 	if (node->type_leaf && cmd == IRDMA_OP_WS_ADD_NODE) {
@@ -234,18 +233,18 @@ static void irdma_remove_leaf(struct irdma_sc_vsi *vsi, u8 user_pri)
  * @vsi: vsi pointer
  * @user_pri: user priority
  */
-enum irdma_status_code irdma_ws_add(struct irdma_sc_vsi *vsi, u8 user_pri)
+int irdma_ws_add(struct irdma_sc_vsi *vsi, u8 user_pri)
 {
 	struct irdma_ws_node *ws_tree_root;
 	struct irdma_ws_node *vsi_node;
 	struct irdma_ws_node *tc_node;
 	u16 traffic_class;
-	enum irdma_status_code ret = 0;
+	int ret = 0;
 	int i;
 
 	mutex_lock(&vsi->dev->ws_mutex);
 	if (vsi->tc_change_pending) {
-		ret = IRDMA_ERR_NOT_READY;
+		ret = -EBUSY;
 		goto exit;
 	}
 
@@ -258,7 +257,7 @@ enum irdma_status_code irdma_ws_add(struct irdma_sc_vsi *vsi, u8 user_pri)
 		ws_tree_root = irdma_alloc_node(vsi, user_pri,
 						WS_NODE_TYPE_PARENT, NULL);
 		if (!ws_tree_root) {
-			ret = IRDMA_ERR_NO_MEMORY;
+			ret = -ENOMEM;
 			goto exit;
 		}
 
@@ -283,7 +282,7 @@ enum irdma_status_code irdma_ws_add(struct irdma_sc_vsi *vsi, u8 user_pri)
 		vsi_node = irdma_alloc_node(vsi, user_pri, WS_NODE_TYPE_PARENT,
 					    ws_tree_root);
 		if (!vsi_node) {
-			ret = IRDMA_ERR_NO_MEMORY;
+			ret = -ENOMEM;
 			goto vsi_add_err;
 		}
 
@@ -310,7 +309,7 @@ enum irdma_status_code irdma_ws_add(struct irdma_sc_vsi *vsi, u8 user_pri)
 		tc_node = irdma_alloc_node(vsi, user_pri, WS_NODE_TYPE_LEAF,
 					   vsi_node);
 		if (!tc_node) {
-			ret = IRDMA_ERR_NO_MEMORY;
+			ret = -ENOMEM;
 			goto leaf_add_err;
 		}