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authorJulian Wiedmann <jwi@linux.ibm.com>2020-03-18 13:54:55 +0100
committerDavid S. Miller <davem@davemloft.net>2020-03-18 16:33:35 -0700
commitcd652be52cd9d3cac816b27a518812eff7ef79eb (patch)
treee586e9c11f94d283329bad1b3a2f1a4e48feee7c /drivers/s390/net/qeth_l3_main.c
parents390/qeth: remove gratuitous NULL checks (diff)
downloadlinux-dev-cd652be52cd9d3cac816b27a518812eff7ef79eb.tar.xz
linux-dev-cd652be52cd9d3cac816b27a518812eff7ef79eb.zip
s390/qeth: use dev->reg_state
To check whether a netdevice has already been registered, look at NETREG_REGISTERED to replace some hacks I added a while ago. Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to '')
-rw-r--r--drivers/s390/net/qeth_l3_main.c22
1 files changed, 9 insertions, 13 deletions
diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c
index 81ec0d2b7ea5..83ae75cf1389 100644
--- a/drivers/s390/net/qeth_l3_main.c
+++ b/drivers/s390/net/qeth_l3_main.c
@@ -1918,7 +1918,7 @@ static const struct net_device_ops qeth_l3_osa_netdev_ops = {
.ndo_neigh_setup = qeth_l3_neigh_setup,
};
-static int qeth_l3_setup_netdev(struct qeth_card *card, bool carrier_ok)
+static int qeth_l3_setup_netdev(struct qeth_card *card)
{
unsigned int headroom;
int rc;
@@ -1972,7 +1972,7 @@ static int qeth_l3_setup_netdev(struct qeth_card *card, bool carrier_ok)
rc = qeth_l3_iqd_read_initial_mac(card);
if (rc)
- goto out;
+ return rc;
} else
return -ENODEV;
@@ -1987,14 +1987,7 @@ static int qeth_l3_setup_netdev(struct qeth_card *card, bool carrier_ok)
PAGE_SIZE * (QETH_MAX_BUFFER_ELEMENTS(card) - 1));
netif_napi_add(card->dev, &card->napi, qeth_poll, QETH_NAPI_WEIGHT);
- rc = register_netdev(card->dev);
- if (!rc && carrier_ok)
- netif_carrier_on(card->dev);
-
-out:
- if (rc)
- card->dev->netdev_ops = NULL;
- return rc;
+ return register_netdev(card->dev);
}
static const struct device_type qeth_l3_devtype = {
@@ -2041,7 +2034,7 @@ static void qeth_l3_remove_device(struct ccwgroup_device *cgdev)
qeth_set_offline(card, false);
cancel_work_sync(&card->close_dev_work);
- if (qeth_netdev_is_registered(card->dev))
+ if (card->dev->reg_state == NETREG_REGISTERED)
unregister_netdev(card->dev);
flush_workqueue(card->cmd_wq);
@@ -2088,10 +2081,13 @@ static int qeth_l3_set_online(struct qeth_card *card)
qeth_set_allowed_threads(card, 0xffffffff, 0);
qeth_l3_recover_ip(card);
- if (!qeth_netdev_is_registered(dev)) {
- rc = qeth_l3_setup_netdev(card, carrier_ok);
+ if (dev->reg_state != NETREG_REGISTERED) {
+ rc = qeth_l3_setup_netdev(card);
if (rc)
goto out_remove;
+
+ if (carrier_ok)
+ netif_carrier_on(dev);
} else {
rtnl_lock();
if (carrier_ok)