From: Mustafa Ismail <mustafa.ismail@intel.com>
Date: Thu, 11 Jan 2018 18:10:54 -0600
Subject: i40iw: Free IEQ resources
Patch-mainline: v4.16-rc1
Git-commit: f20d429511affab6a2a9129f46042f43e6ffe396
References: bsc#1058659 FATE#322535

The iWARP Exception Queue (IEQ) resources are not freed when a QP is
destroyed. Fix this by freeing IEQ resources when freeing QP resources.

Fixes: d37498417947 ("i40iw: add files for iwarp interface")
Signed-off-by: Mustafa Ismail <mustafa.ismail@intel.com>
Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
 drivers/infiniband/hw/i40iw/i40iw_puda.c  |    3 +--
 drivers/infiniband/hw/i40iw/i40iw_puda.h  |    1 +
 drivers/infiniband/hw/i40iw/i40iw_verbs.c |    1 +
 3 files changed, 3 insertions(+), 2 deletions(-)

--- a/drivers/infiniband/hw/i40iw/i40iw_puda.c
+++ b/drivers/infiniband/hw/i40iw/i40iw_puda.c
@@ -48,7 +48,6 @@ static void i40iw_ieq_tx_compl(struct i4
 static void i40iw_ilq_putback_rcvbuf(struct i40iw_sc_qp *qp, u32 wqe_idx);
 static enum i40iw_status_code i40iw_puda_replenish_rq(struct i40iw_puda_rsrc
 						      *rsrc, bool initial);
-static void i40iw_ieq_cleanup_qp(struct i40iw_puda_rsrc *ieq, struct i40iw_sc_qp *qp);
 /**
  * i40iw_puda_get_listbuf - get buffer from puda list
  * @list: list to use for buffers (ILQ or IEQ)
@@ -1483,7 +1482,7 @@ static void i40iw_ieq_tx_compl(struct i4
  * @ieq: ieq resource
  * @qp: all pending fpdu buffers
  */
-static void i40iw_ieq_cleanup_qp(struct i40iw_puda_rsrc *ieq, struct i40iw_sc_qp *qp)
+void i40iw_ieq_cleanup_qp(struct i40iw_puda_rsrc *ieq, struct i40iw_sc_qp *qp)
 {
 	struct i40iw_puda_buf *buf;
 	struct i40iw_pfpdu *pfpdu = &qp->pfpdu;
--- a/drivers/infiniband/hw/i40iw/i40iw_puda.h
+++ b/drivers/infiniband/hw/i40iw/i40iw_puda.h
@@ -186,4 +186,5 @@ enum i40iw_status_code i40iw_cqp_qp_crea
 enum i40iw_status_code i40iw_cqp_cq_create_cmd(struct i40iw_sc_dev *dev, struct i40iw_sc_cq *cq);
 void i40iw_cqp_qp_destroy_cmd(struct i40iw_sc_dev *dev, struct i40iw_sc_qp *qp);
 void i40iw_cqp_cq_destroy_cmd(struct i40iw_sc_dev *dev, struct i40iw_sc_cq *cq);
+void i40iw_ieq_cleanup_qp(struct i40iw_puda_rsrc *ieq, struct i40iw_sc_qp *qp);
 #endif
--- a/drivers/infiniband/hw/i40iw/i40iw_verbs.c
+++ b/drivers/infiniband/hw/i40iw/i40iw_verbs.c
@@ -428,6 +428,7 @@ void i40iw_free_qp_resources(struct i40i
 {
 	struct i40iw_pbl *iwpbl = &iwqp->iwpbl;
 
+	i40iw_ieq_cleanup_qp(iwdev->vsi.ieq, &iwqp->sc_qp);
 	i40iw_dealloc_push_page(iwdev, &iwqp->sc_qp);
 	if (qp_num)
 		i40iw_free_resource(iwdev, iwdev->allocated_qps, qp_num);