From: Shiraz Saleem <shiraz.saleem@intel.com>
Date: Fri, 23 Jun 2017 16:03:59 -0500
Subject: i40iw: Free QP resources on CQP destroy QP failure
Patch-mainline: v4.13-rc2
Git-commit: b5e452a04a10f12763f9836d3d3999f3bb1e56fb
References: bsc#1058659 FATE#322535

Current flow leaves software QP structures in memory if
Control Queue Pair (CQP) destroy QP OP fails. To fix this,
free QP resources on fail of CQP destroy QP OP.

Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com>
Signed-off-by: Henry Orosco <henry.orosco@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
 drivers/infiniband/hw/i40iw/i40iw_utils.c |    8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

--- a/drivers/infiniband/hw/i40iw/i40iw_utils.c
+++ b/drivers/infiniband/hw/i40iw/i40iw_utils.c
@@ -546,8 +546,12 @@ void i40iw_rem_ref(struct ib_qp *ibqp)
 	cqp_info->in.u.qp_destroy.scratch = (uintptr_t)cqp_request;
 	cqp_info->in.u.qp_destroy.remove_hash_idx = true;
 	status = i40iw_handle_cqp_op(iwdev, cqp_request);
-	if (status)
-		i40iw_pr_err("CQP-OP Destroy QP fail");
+	if (!status)
+		return;
+
+	i40iw_rem_pdusecount(iwqp->iwpd, iwdev);
+	i40iw_free_qp_resources(iwdev, iwqp, qp_num);
+	i40iw_rem_devusecount(iwdev);
 }
 
 /**