From: Julian Wiedmann <jwi@linux.ibm.com>
Subject: s390/qeth: remove additional skb refcount
Patch-mainline: v4.20-rc1
Git-commit: 5a5312bdbaddff57e5d24a2b24f9dd5a0e219ce1
References: FATE#326377, LTC#169210, bsc#1115382

Summary:        qeth: Full-blown TCP Segmentation Offload
Description:    As of now, qeth only supports TCP Segmentation Offload (TSO)
                for IPv4 in Layer3 devices. This feature extends the existing
                support to IPv6, and adds support for TSO in both IP variants
                for Layer2.

                To cleanly pull in all the necessary changes to the transmit
                code, update the qeth driver to the current 4.20 level.


Upstream-Description:

             s390/qeth: remove additional skb refcount

             This was presumably left over from back when qeth recursed into
             dev_queue_xmit().

             Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com>
             Signed-off-by: David S. Miller <davem@davemloft.net>

Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
 drivers/s390/net/qeth_core_main.c |    2 --
 1 file changed, 2 deletions(-)

--- a/drivers/s390/net/qeth_core_main.c
+++ b/drivers/s390/net/qeth_core_main.c
@@ -1209,7 +1209,6 @@ static void qeth_release_skbs(struct qet
 				iucv->sk_txnotify(skb, TX_NOTIFY_GENERALERROR);
 			}
 		}
-		refcount_dec(&skb->users);
 	}
 	__skb_queue_purge(&buf->skb_list);
 }
@@ -3985,7 +3984,6 @@ static int qeth_fill_buffer(struct qeth_
 	bool is_first_elem = true;
 	int flush_cnt = 0;
 
-	refcount_inc(&skb->users);
 	__skb_queue_tail(&buf->skb_list, skb);
 
 	/* build dedicated header element */