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authorJakub Kicinski <kuba@kernel.org>2020-11-27 18:25:27 -0800
committerJakub Kicinski <kuba@kernel.org>2020-11-27 18:25:27 -0800
commit5c39f26e67c984db0fa95f9faecf06eb0198dce7 (patch)
tree821aaa43d3f5806134438daa531be6d171292c5f /drivers/net/bonding/bond_main.c
parent6375da9dac8bec05a022f22ab22300cc824ec268 (diff)
parentc84e1efae022071a4fcf9f1899bf71777c49943a (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Trivial conflict in CAN, keep the net-next + the byteswap wrapper. Conflicts: drivers/net/can/usb/gs_usb.c Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/net/bonding/bond_main.c')
-rw-r--r--drivers/net/bonding/bond_main.c61
1 files changed, 43 insertions, 18 deletions
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index 71c9677d135f..e0880a3840d7 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -1459,7 +1459,39 @@ static void bond_upper_dev_unlink(struct bonding *bond, struct slave *slave)
slave->dev->flags &= ~IFF_SLAVE;
}
-static struct slave *bond_alloc_slave(struct bonding *bond)
+static void slave_kobj_release(struct kobject *kobj)
+{
+ struct slave *slave = to_slave(kobj);
+ struct bonding *bond = bond_get_bond_by_slave(slave);
+
+ cancel_delayed_work_sync(&slave->notify_work);
+ if (BOND_MODE(bond) == BOND_MODE_8023AD)
+ kfree(SLAVE_AD_INFO(slave));
+
+ kfree(slave);
+}
+
+static struct kobj_type slave_ktype = {
+ .release = slave_kobj_release,
+#ifdef CONFIG_SYSFS
+ .sysfs_ops = &slave_sysfs_ops,
+#endif
+};
+
+static int bond_kobj_init(struct slave *slave)
+{
+ int err;
+
+ err = kobject_init_and_add(&slave->kobj, &slave_ktype,
+ &(slave->dev->dev.kobj), "bonding_slave");
+ if (err)
+ kobject_put(&slave->kobj);
+
+ return err;
+}
+
+static struct slave *bond_alloc_slave(struct bonding *bond,
+ struct net_device *slave_dev)
{
struct slave *slave = NULL;
@@ -1467,11 +1499,17 @@ static struct slave *bond_alloc_slave(struct bonding *bond)
if (!slave)
return NULL;
+ slave->bond = bond;
+ slave->dev = slave_dev;
+
+ if (bond_kobj_init(slave))
+ return NULL;
+
if (BOND_MODE(bond) == BOND_MODE_8023AD) {
SLAVE_AD_INFO(slave) = kzalloc(sizeof(struct ad_slave_info),
GFP_KERNEL);
if (!SLAVE_AD_INFO(slave)) {
- kfree(slave);
+ kobject_put(&slave->kobj);
return NULL;
}
}
@@ -1480,17 +1518,6 @@ static struct slave *bond_alloc_slave(struct bonding *bond)
return slave;
}
-static void bond_free_slave(struct slave *slave)
-{
- struct bonding *bond = bond_get_bond_by_slave(slave);
-
- cancel_delayed_work_sync(&slave->notify_work);
- if (BOND_MODE(bond) == BOND_MODE_8023AD)
- kfree(SLAVE_AD_INFO(slave));
-
- kfree(slave);
-}
-
static void bond_fill_ifbond(struct bonding *bond, struct ifbond *info)
{
info->bond_mode = BOND_MODE(bond);
@@ -1677,14 +1704,12 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev,
goto err_undo_flags;
}
- new_slave = bond_alloc_slave(bond);
+ new_slave = bond_alloc_slave(bond, slave_dev);
if (!new_slave) {
res = -ENOMEM;
goto err_undo_flags;
}
- new_slave->bond = bond;
- new_slave->dev = slave_dev;
/* Set the new_slave's queue_id to be zero. Queue ID mapping
* is set via sysfs or module option if desired.
*/
@@ -2006,7 +2031,7 @@ err_restore_mtu:
dev_set_mtu(slave_dev, new_slave->original_mtu);
err_free:
- bond_free_slave(new_slave);
+ kobject_put(&new_slave->kobj);
err_undo_flags:
/* Enslave of first slave has failed and we need to fix master's mac */
@@ -2186,7 +2211,7 @@ static int __bond_release_one(struct net_device *bond_dev,
if (!netif_is_bond_master(slave_dev))
slave_dev->priv_flags &= ~IFF_BONDING;
- bond_free_slave(slave);
+ kobject_put(&slave->kobj);
return 0;
}