From: zhong jiang <zhongjiang@huawei.com>
Date: Wed, 26 Sep 2018 16:53:00 +0800
Subject: net: qed: list usage cleanup
Patch-mainline: v4.20-rc1
Git-commit: 631e871edc768210d5d5716f5787e4f363c65352
References: bsc#1104393 FATE#325891 bsc#1104389 FATE#325890

Trival cleanup, list_move_tail will implement the same function that
list_del() + list_add_tail() will do. hence just replace them.

Signed-off-by: zhong jiang <zhongjiang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
 drivers/net/ethernet/qlogic/qed/qed_iwarp.c |    9 ++++-----
 drivers/net/ethernet/qlogic/qed/qed_ooo.c   |   10 ++++------
 drivers/net/ethernet/qlogic/qed/qed_spq.c   |    3 +--
 3 files changed, 9 insertions(+), 13 deletions(-)

--- a/drivers/net/ethernet/qlogic/qed/qed_iwarp.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_iwarp.c
@@ -935,9 +935,8 @@ qed_iwarp_return_ep(struct qed_hwfn *p_h
 	}
 	spin_lock_bh(&p_hwfn->p_rdma_info->iwarp.iw_lock);
 
-	list_del(&ep->list_entry);
-	list_add_tail(&ep->list_entry,
-		      &p_hwfn->p_rdma_info->iwarp.ep_free_list);
+	list_move_tail(&ep->list_entry,
+		       &p_hwfn->p_rdma_info->iwarp.ep_free_list);
 
 	spin_unlock_bh(&p_hwfn->p_rdma_info->iwarp.iw_lock);
 }
@@ -2270,8 +2269,8 @@ static void qed_iwarp_process_pending_pk
 		if (rc == -EBUSY)
 			break;
 
-		list_del(&mpa_buf->list_entry);
-		list_add_tail(&mpa_buf->list_entry, &iwarp_info->mpa_buf_list);
+		list_move_tail(&mpa_buf->list_entry,
+			       &iwarp_info->mpa_buf_list);
 
 		if (rc) {	/* different error, don't continue */
 			DP_NOTICE(p_hwfn, "process pkts failed rc=%d\n", rc);
--- a/drivers/net/ethernet/qlogic/qed/qed_ooo.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_ooo.c
@@ -211,9 +211,8 @@ void qed_ooo_release_connection_isles(st
 			if (!p_buffer)
 				break;
 
-			list_del(&p_buffer->list_entry);
-			list_add_tail(&p_buffer->list_entry,
-				      &p_ooo_info->free_buffers_list);
+			list_move_tail(&p_buffer->list_entry,
+				       &p_ooo_info->free_buffers_list);
 		}
 		list_add_tail(&p_isle->list_entry,
 			      &p_ooo_info->free_isles_list);
@@ -247,9 +246,8 @@ void qed_ooo_release_all_isles(struct qe
 				if (!p_buffer)
 					break;
 
-			list_del(&p_buffer->list_entry);
-				list_add_tail(&p_buffer->list_entry,
-					      &p_ooo_info->free_buffers_list);
+				list_move_tail(&p_buffer->list_entry,
+					       &p_ooo_info->free_buffers_list);
 			}
 			list_add_tail(&p_isle->list_entry,
 				      &p_ooo_info->free_isles_list);
--- a/drivers/net/ethernet/qlogic/qed/qed_spq.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_spq.c
@@ -730,8 +730,7 @@ static int qed_spq_post_list(struct qed_
 	       !list_empty(head)) {
 		struct qed_spq_entry *p_ent =
 			list_first_entry(head, struct qed_spq_entry, list);
-		list_del(&p_ent->list);
-		list_add_tail(&p_ent->list, &p_spq->completion_pending);
+		list_move_tail(&p_ent->list, &p_spq->completion_pending);
 		p_spq->comp_sent_count++;
 
 		rc = qed_spq_hw_post(p_hwfn, p_spq, p_ent);