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net: core: dev: Add extack argument to dev_open()

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In order to pass extack together with NETDEV_PRE_UP notifications, it's
necessary to route the extack to __dev_open() from diverse (possibly
indirect) callers. One prominent API through which the notification is
invoked is dev_open().

Therefore extend dev_open() with and extra extack argument and update
all users. Most of the calls end up just encoding NULL, but bond and
team drivers have the extack readily available.

Signed-off-by: Petr Machata <petrm@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Reviewed-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Petr Machata 2018-12-06 17:05:36 +00:00 committed by David S. Miller
parent fdb8b29867
commit 00f54e6892
23 changed files with 30 additions and 29 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/net/bonding/bond_main.c
View File

@ -1538,7 +1538,7 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev,
slave_dev->flags |= IFF_SLAVE;
/* open the slave since the application closed it */
res = dev_open(slave_dev);
res = dev_open(slave_dev, extack);
if (res) {
netdev_dbg(bond_dev, "Opening slave %s failed\n", slave_dev->name);
goto err_restore_mac;

2
drivers/net/ethernet/aquantia/atlantic/aq_ethtool.c
View File

@ -525,7 +525,7 @@ static int aq_set_ringparam(struct net_device *ndev,
}
}
if (ndev_running)
err = dev_open(ndev);
err = dev_open(ndev, NULL);
err_exit:
return err;

2
drivers/net/ethernet/cisco/enic/enic_ethtool.c
View File

@ -241,7 +241,7 @@ static int enic_set_ringparam(struct net_device *netdev,
}
enic_init_vnic_resources(enic);
if (running) {
err = dev_open(netdev);
err = dev_open(netdev, NULL);
if (err)
goto err_out;
}

2
drivers/net/ethernet/hisilicon/hns/hns_ethtool.c
View File

@ -624,7 +624,7 @@ static void hns_nic_self_test(struct net_device *ndev,
clear_bit(NIC_STATE_TESTING, &priv->state);
if (if_running)
(void)dev_open(ndev);
(void)dev_open(ndev, NULL);
}
/* Online tests aren't run; pass by default */

2
drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c
View File

@ -821,7 +821,7 @@ static int hns3_set_ringparam(struct net_device *ndev,
}
if (if_running)
ret = dev_open(ndev);
ret = dev_open(ndev, NULL);
return ret;
}

2
drivers/net/ethernet/sfc/ethtool.c
View File

@ -539,7 +539,7 @@ static void efx_ethtool_self_test(struct net_device *net_dev,
/* We need rx buffers and interrupts. */
already_up = (efx->net_dev->flags & IFF_UP);
if (!already_up) {
rc = dev_open(efx->net_dev);
rc = dev_open(efx->net_dev, NULL);
if (rc) {
netif_err(efx, drv, efx->net_dev,
"failed opening device.\n");

2
drivers/net/ethernet/sfc/falcon/ethtool.c
View File

@ -517,7 +517,7 @@ static void ef4_ethtool_self_test(struct net_device *net_dev,
/* We need rx buffers and interrupts. */
already_up = (efx->net_dev->flags & IFF_UP);
if (!already_up) {
rc = dev_open(efx->net_dev);
rc = dev_open(efx->net_dev, NULL);
if (rc) {
netif_err(efx, drv, efx->net_dev,
"failed opening device.\n");

2
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
View File

@ -4082,7 +4082,7 @@ static void stmmac_reset_subtask(struct stmmac_priv *priv)
set_bit(STMMAC_DOWN, &priv->state);
dev_close(priv->dev);
dev_open(priv->dev);
dev_open(priv->dev, NULL);
clear_bit(STMMAC_DOWN, &priv->state);
clear_bit(STMMAC_RESETING, &priv->state);
rtnl_unlock();

4
drivers/net/hyperv/netvsc_drv.c
View File

@ -137,7 +137,7 @@ static int netvsc_open(struct net_device *net)
* slave as up. If open fails, then slave will be
* still be offline (and not used).
*/
ret = dev_open(vf_netdev);
ret = dev_open(vf_netdev, NULL);
if (ret)
netdev_warn(net,
"unable to open slave: %s: %d\n",
@ -2002,7 +2002,7 @@ static void __netvsc_vf_setup(struct net_device *ndev,
netif_addr_unlock_bh(ndev);
if (netif_running(ndev)) {
ret = dev_open(vf_netdev);
ret = dev_open(vf_netdev, NULL);
if (ret)
netdev_warn(vf_netdev,
"unable to open: %d\n", ret);

8
drivers/net/net_failover.c
View File

@ -40,14 +40,14 @@ static int net_failover_open(struct net_device *dev)
primary_dev = rtnl_dereference(nfo_info->primary_dev);
if (primary_dev) {
err = dev_open(primary_dev);
err = dev_open(primary_dev, NULL);
if (err)
goto err_primary_open;
}
standby_dev = rtnl_dereference(nfo_info->standby_dev);
if (standby_dev) {
err = dev_open(standby_dev);
err = dev_open(standby_dev, NULL);
if (err)
goto err_standby_open;
}
@ -517,7 +517,7 @@ static int net_failover_slave_register(struct net_device *slave_dev,
dev_hold(slave_dev);
if (netif_running(failover_dev)) {
err = dev_open(slave_dev);
err = dev_open(slave_dev, NULL);
if (err && (err != -EBUSY)) {
netdev_err(failover_dev, "Opening slave %s failed err:%d\n",
slave_dev->name, err);
@ -680,7 +680,7 @@ static int net_failover_slave_name_change(struct net_device *slave_dev,
/* We need to bring up the slave after the rename by udev in case
* open failed with EBUSY when it was registered.
*/
dev_open(slave_dev);
dev_open(slave_dev, NULL);
return 0;
}

2
drivers/net/team/team.c
View File

@ -1212,7 +1212,7 @@ static int team_port_add(struct team *team, struct net_device *port_dev,
goto err_port_enter;
}
err = dev_open(port_dev);
err = dev_open(port_dev, extack);
if (err) {
netdev_dbg(dev, "Device %s opening failed\n",
portname);

2
drivers/net/wireless/intersil/hostap/hostap_main.c
View File

@ -690,7 +690,7 @@ static int prism2_open(struct net_device *dev)
/* Master radio interface is needed for all operation, so open
* it automatically when any virtual net_device is opened. */
local->master_dev_auto_open = 1;
dev_open(local->dev);
dev_open(local->dev, NULL);
}
netif_device_attach(dev);

2
drivers/s390/net/qeth_l2_main.c
View File

@ -1007,7 +1007,7 @@ static int __qeth_l2_set_online(struct ccwgroup_device *gdev, int recovery_mode)
qeth_l2_set_rx_mode(card->dev);
} else {
rtnl_lock();
dev_open(card->dev);
dev_open(card->dev, NULL);
rtnl_unlock();
}
}

2
drivers/s390/net/qeth_l3_main.c
View File

@ -2417,7 +2417,7 @@ static int __qeth_l3_set_online(struct ccwgroup_device *gdev, int recovery_mode)
__qeth_l3_open(card->dev);
qeth_l3_set_rx_mode(card->dev);
} else {
dev_open(card->dev);
dev_open(card->dev, NULL);
}
rtnl_unlock();
}

2
drivers/staging/fsl-dpaa2/ethsw/ethsw.c
View File

@ -1172,7 +1172,7 @@ static int ethsw_open(struct ethsw_core *ethsw)
for (i = 0; i < ethsw->sw_attr.num_ifs; i++) {
port_priv = ethsw->ports[i];
err = dev_open(port_priv->netdev);
err = dev_open(port_priv->netdev, NULL);
if (err) {
netdev_err(port_priv->netdev, "dev_open err %d\n", err);
return err;

2
drivers/staging/unisys/visornic/visornic_main.c
View File

@ -2095,7 +2095,7 @@ static int visornic_resume(struct visor_device *dev,
mod_timer(&devdata->irq_poll_timer, msecs_to_jiffies(2));
rtnl_lock();
dev_open(netdev);
dev_open(netdev, NULL);
rtnl_unlock();
complete_func(dev, 0);

2
include/linux/netdevice.h
View File

@ -2605,7 +2605,7 @@ struct net_device *dev_get_by_name(struct net *net, const char *name);
struct net_device *dev_get_by_name_rcu(struct net *net, const char *name);
struct net_device *__dev_get_by_name(struct net *net, const char *name);
int dev_alloc_name(struct net_device *dev, const char *name);
int dev_open(struct net_device *dev);
int dev_open(struct net_device *dev, struct netlink_ext_ack *extack);
void dev_close(struct net_device *dev);
void dev_close_many(struct list_head *head, bool unlink);
void dev_disable_lro(struct net_device *dev);

2
net/bluetooth/6lowpan.c
View File

@ -607,7 +607,7 @@ static void ifup(struct net_device *netdev)
int err;
rtnl_lock();
err = dev_open(netdev);
err = dev_open(netdev, NULL);
if (err < 0)
BT_INFO("iface %s cannot be opened (%d)", netdev->name, err);
rtnl_unlock();

5
net/core/dev.c
View File

@ -1406,7 +1406,8 @@ static int __dev_open(struct net_device *dev)
/**
* dev_open - prepare an interface for use.
* @dev: device to open
* @dev: device to open
* @extack: netlink extended ack
*
* Takes a device from down to up state. The device's private open
* function is invoked and then the multicast lists are loaded. Finally
@ -1416,7 +1417,7 @@ static int __dev_open(struct net_device *dev)
* Calling this function on an active interface is a nop. On a failure
* a negative errno code is returned.
*/
int dev_open(struct net_device *dev)
int dev_open(struct net_device *dev, struct netlink_ext_ack *extack)
{
int ret;

2
net/core/netpoll.c
View File

@ -663,7 +663,7 @@ int netpoll_setup(struct netpoll *np)
np_info(np, "device %s not up yet, forcing it\n", np->dev_name);
err = dev_open(ndev);
err = dev_open(ndev, NULL);
if (err) {
np_err(np, "failed to open %s\n", ndev->name);

4
net/ipv4/ipmr.c
View File

@ -506,7 +506,7 @@ static struct net_device *ipmr_new_tunnel(struct net *net, struct vifctl *v)
dev->flags |= IFF_MULTICAST;
if (!ipmr_init_vif_indev(dev))
goto failure;
if (dev_open(dev))
if (dev_open(dev, NULL))
goto failure;
dev_hold(dev);
}
@ -589,7 +589,7 @@ static struct net_device *ipmr_reg_vif(struct net *net, struct mr_table *mrt)
if (!ipmr_init_vif_indev(dev))
goto failure;
if (dev_open(dev))
if (dev_open(dev, NULL))
goto failure;
dev_hold(dev);

2
net/ipv6/addrconf.c
View File

@ -2820,7 +2820,7 @@ int addrconf_set_dstaddr(struct net *net, void __user *arg)
dev = __dev_get_by_name(net, p.name);
if (!dev)
goto err_exit;
err = dev_open(dev);
err = dev_open(dev, NULL);
}
}
#endif

2
net/ipv6/ip6mr.c
View File

@ -655,7 +655,7 @@ static struct net_device *ip6mr_reg_vif(struct net *net, struct mr_table *mrt)
return NULL;
}
if (dev_open(dev))
if (dev_open(dev, NULL))
goto failure;
dev_hold(dev);