netdev - [PATCH net-next 5/8] s390/qeth: remove TX disable from online path

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Date:   Fri, 25 Jan 2019 15:44:20 +0100
From:   Julian Wiedmann <jwi@...ux.ibm.com>
To:     David Miller <davem@...emloft.net>
Cc:     <netdev@...r.kernel.org>, <linux-s390@...r.kernel.org>,
        Martin Schwidefsky <schwidefsky@...ibm.com>,
        Heiko Carstens <heiko.carstens@...ibm.com>,
        Stefan Raspl <raspl@...ux.ibm.com>,
        Ursula Braun <ubraun@...ux.ibm.com>,
        Julian Wiedmann <jwi@...ux.ibm.com>
Subject: [PATCH net-next 5/8] s390/qeth: remove TX disable from online path

At best this is redundant, at worst it papers over a race in the
offline / online code.

Signed-off-by: Julian Wiedmann <jwi@...ux.ibm.com>
---
 drivers/s390/net/qeth_l2_main.c | 2 --
 drivers/s390/net/qeth_l3_main.c | 1 -
 2 files changed, 3 deletions(-)

diff --git a/drivers/s390/net/qeth_l2_main.c b/drivers/s390/net/qeth_l2_main.c
index 3aa11f32dcd5..0d04e5a89341 100644
--- a/drivers/s390/net/qeth_l2_main.c
+++ b/drivers/s390/net/qeth_l2_main.c
@@ -944,8 +944,6 @@ static int __qeth_l2_set_online(struct ccwgroup_device *gdev, int recovery_mode)
 	if (card->info.type != QETH_CARD_TYPE_OSN)
 		qeth_l2_process_vlans(card);
 
-	netif_tx_disable(card->dev);
-
 	rc = qeth_init_qdio_queues(card);
 	if (rc) {
 		QETH_DBF_TEXT_(SETUP, 2, "6err%d", rc);
diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c
index b8a2493a6607..2065030e1a62 100644
--- a/drivers/s390/net/qeth_l3_main.c
+++ b/drivers/s390/net/qeth_l3_main.c
@@ -2346,7 +2346,6 @@ static int __qeth_l3_set_online(struct ccwgroup_device *gdev, int recovery_mode)
 		if (rc)
 			QETH_DBF_TEXT_(SETUP, 2, "5err%04x", rc);
 	}
-	netif_tx_disable(card->dev);
 
 	rc = qeth_init_qdio_queues(card);
 	if (rc) {
-- 
2.16.4