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-rw-r--r--drivers/net/bareudp.c13
-rw-r--r--drivers/net/bonding/bond_main.c37
-rw-r--r--drivers/net/geneve.c23
-rw-r--r--drivers/net/gtp.c20
-rw-r--r--drivers/net/vxlan/vxlan_core.c50
-rw-r--r--include/net/ip_tunnels.h3
-rw-r--r--include/net/net_namespace.h3
-rw-r--r--include/net/nexthop.h1
-rw-r--r--net/bridge/br.c15
-rw-r--r--net/core/net_namespace.c31
-rw-r--r--net/ipv4/ip_gre.c24
-rw-r--r--net/ipv4/ip_tunnel.c10
-rw-r--r--net/ipv4/ip_vti.c8
-rw-r--r--net/ipv4/ipip.c8
-rw-r--r--net/ipv4/nexthop.c38
-rw-r--r--net/ipv6/ip6_gre.c12
-rw-r--r--net/ipv6/ip6_tunnel.c12
-rw-r--r--net/ipv6/ip6_vti.c12
-rw-r--r--net/ipv6/sit.c13
-rw-r--r--net/xfrm/xfrm_interface_core.c14
20 files changed, 190 insertions, 157 deletions
diff --git a/drivers/net/bareudp.c b/drivers/net/bareudp.c
index 31377bb1cc97..4db6122c9b43 100644
--- a/drivers/net/bareudp.c
+++ b/drivers/net/bareudp.c
@@ -760,23 +760,18 @@ static void bareudp_destroy_tunnels(struct net *net, struct list_head *head)
unregister_netdevice_queue(bareudp->dev, head);
}
-static void __net_exit bareudp_exit_batch_net(struct list_head *net_list)
+static void __net_exit bareudp_exit_batch_rtnl(struct list_head *net_list,
+ struct list_head *dev_kill_list)
{
struct net *net;
- LIST_HEAD(list);
- rtnl_lock();
list_for_each_entry(net, net_list, exit_list)
- bareudp_destroy_tunnels(net, &list);
-
- /* unregister the devices gathered above */
- unregister_netdevice_many(&list);
- rtnl_unlock();
+ bareudp_destroy_tunnels(net, dev_kill_list);
}
static struct pernet_operations bareudp_net_ops = {
.init = bareudp_init_net,
- .exit_batch = bareudp_exit_batch_net,
+ .exit_batch_rtnl = bareudp_exit_batch_rtnl,
.id = &bareudp_net_id,
.size = sizeof(struct bareudp_net),
};
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index ae9d32c0faf4..cb67ece47328 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -6416,28 +6416,41 @@ static int __net_init bond_net_init(struct net *net)
return 0;
}
-static void __net_exit bond_net_exit_batch(struct list_head *net_list)
+/* According to commit 69b0216ac255 ("bonding: fix bonding_masters
+ * race condition in bond unloading") we need to remove sysfs files
+ * before we remove our devices (done later in bond_net_exit_batch_rtnl())
+ */
+static void __net_exit bond_net_pre_exit(struct net *net)
+{
+ struct bond_net *bn = net_generic(net, bond_net_id);
+
+ bond_destroy_sysfs(bn);
+}
+
+static void __net_exit bond_net_exit_batch_rtnl(struct list_head *net_list,
+ struct list_head *dev_kill_list)
{
struct bond_net *bn;
struct net *net;
- LIST_HEAD(list);
-
- list_for_each_entry(net, net_list, exit_list) {
- bn = net_generic(net, bond_net_id);
- bond_destroy_sysfs(bn);
- }
/* Kill off any bonds created after unregistering bond rtnl ops */
- rtnl_lock();
list_for_each_entry(net, net_list, exit_list) {
struct bonding *bond, *tmp_bond;
bn = net_generic(net, bond_net_id);
list_for_each_entry_safe(bond, tmp_bond, &bn->dev_list, bond_list)
- unregister_netdevice_queue(bond->dev, &list);
+ unregister_netdevice_queue(bond->dev, dev_kill_list);
}
- unregister_netdevice_many(&list);
- rtnl_unlock();
+}
+
+/* According to commit 23fa5c2caae0 ("bonding: destroy proc directory
+ * only after all bonds are gone") bond_destroy_proc_dir() is called
+ * after bond_net_exit_batch_rtnl() has completed.
+ */
+static void __net_exit bond_net_exit_batch(struct list_head *net_list)
+{
+ struct bond_net *bn;
+ struct net *net;
list_for_each_entry(net, net_list, exit_list) {
bn = net_generic(net, bond_net_id);
@@ -6447,6 +6460,8 @@ static void __net_exit bond_net_exit_batch(struct list_head *net_list)
static struct pernet_operations bond_net_ops = {
.init = bond_net_init,
+ .pre_exit = bond_net_pre_exit,
+ .exit_batch_rtnl = bond_net_exit_batch_rtnl,
.exit_batch = bond_net_exit_batch,
.id = &bond_net_id,
.size = sizeof(struct bond_net),
diff --git a/drivers/net/geneve.c b/drivers/net/geneve.c
index 32c51c244153..23e97c2e4f6f 100644
--- a/drivers/net/geneve.c
+++ b/drivers/net/geneve.c
@@ -1900,29 +1900,26 @@ static void geneve_destroy_tunnels(struct net *net, struct list_head *head)
}
}
-static void __net_exit geneve_exit_batch_net(struct list_head *net_list)
+static void __net_exit geneve_exit_batch_rtnl(struct list_head *net_list,
+ struct list_head *dev_to_kill)
{
struct net *net;
- LIST_HEAD(list);
- rtnl_lock();
list_for_each_entry(net, net_list, exit_list)
- geneve_destroy_tunnels(net, &list);
-
- /* unregister the devices gathered above */
- unregister_netdevice_many(&list);
- rtnl_unlock();
+ geneve_destroy_tunnels(net, dev_to_kill);
+}
- list_for_each_entry(net, net_list, exit_list) {
- const struct geneve_net *gn = net_generic(net, geneve_net_id);
+static void __net_exit geneve_exit_net(struct net *net)
+{
+ const struct geneve_net *gn = net_generic(net, geneve_net_id);
- WARN_ON_ONCE(!list_empty(&gn->sock_list));
- }
+ WARN_ON_ONCE(!list_empty(&gn->sock_list));
}
static struct pernet_operations geneve_net_ops = {
.init = geneve_init_net,
- .exit_batch = geneve_exit_batch_net,
+ .exit_batch_rtnl = geneve_exit_batch_rtnl,
+ .exit = geneve_exit_net,
.id = &geneve_net_id,
.size = sizeof(struct geneve_net),
};
diff --git a/drivers/net/gtp.c b/drivers/net/gtp.c
index b1919278e931..62c601d9f752 100644
--- a/drivers/net/gtp.c
+++ b/drivers/net/gtp.c
@@ -1876,23 +1876,23 @@ static int __net_init gtp_net_init(struct net *net)
return 0;
}
-static void __net_exit gtp_net_exit(struct net *net)
+static void __net_exit gtp_net_exit_batch_rtnl(struct list_head *net_list,
+ struct list_head *dev_to_kill)
{
- struct gtp_net *gn = net_generic(net, gtp_net_id);
- struct gtp_dev *gtp;
- LIST_HEAD(list);
+ struct net *net;
- rtnl_lock();
- list_for_each_entry(gtp, &gn->gtp_dev_list, list)
- gtp_dellink(gtp->dev, &list);
+ list_for_each_entry(net, net_list, exit_list) {
+ struct gtp_net *gn = net_generic(net, gtp_net_id);
+ struct gtp_dev *gtp;
- unregister_netdevice_many(&list);
- rtnl_unlock();
+ list_for_each_entry(gtp, &gn->gtp_dev_list, list)
+ gtp_dellink(gtp->dev, dev_to_kill);
+ }
}
static struct pernet_operations gtp_net_ops = {
.init = gtp_net_init,
- .exit = gtp_net_exit,
+ .exit_batch_rtnl = gtp_net_exit_batch_rtnl,
.id = &gtp_net_id,
.size = sizeof(struct gtp_net),
};
diff --git a/drivers/net/vxlan/vxlan_core.c b/drivers/net/vxlan/vxlan_core.c
index 16106e088c63..11707647afb9 100644
--- a/drivers/net/vxlan/vxlan_core.c
+++ b/drivers/net/vxlan/vxlan_core.c
@@ -4826,55 +4826,43 @@ static __net_init int vxlan_init_net(struct net *net)
NULL);
}
-static void vxlan_destroy_tunnels(struct net *net, struct list_head *head)
+static void __net_exit vxlan_destroy_tunnels(struct vxlan_net *vn,
+ struct list_head *dev_to_kill)
{
- struct vxlan_net *vn = net_generic(net, vxlan_net_id);
struct vxlan_dev *vxlan, *next;
- struct net_device *dev, *aux;
-
- for_each_netdev_safe(net, dev, aux)
- if (dev->rtnl_link_ops == &vxlan_link_ops)
- unregister_netdevice_queue(dev, head);
-
- list_for_each_entry_safe(vxlan, next, &vn->vxlan_list, next) {
- /* If vxlan->dev is in the same netns, it has already been added
- * to the list by the previous loop.
- */
- if (!net_eq(dev_net(vxlan->dev), net))
- unregister_netdevice_queue(vxlan->dev, head);
- }
+ list_for_each_entry_safe(vxlan, next, &vn->vxlan_list, next)
+ vxlan_dellink(vxlan->dev, dev_to_kill);
}
-static void __net_exit vxlan_exit_batch_net(struct list_head *net_list)
+static void __net_exit vxlan_exit_batch_rtnl(struct list_head *net_list,
+ struct list_head *dev_to_kill)
{
struct net *net;
- LIST_HEAD(list);
- unsigned int h;
+ ASSERT_RTNL();
list_for_each_entry(net, net_list, exit_list) {
struct vxlan_net *vn = net_generic(net, vxlan_net_id);
- unregister_nexthop_notifier(net, &vn->nexthop_notifier_block);
- }
- rtnl_lock();
- list_for_each_entry(net, net_list, exit_list)
- vxlan_destroy_tunnels(net, &list);
+ __unregister_nexthop_notifier(net, &vn->nexthop_notifier_block);
- unregister_netdevice_many(&list);
- rtnl_unlock();
+ vxlan_destroy_tunnels(vn, dev_to_kill);
+ }
+}
- list_for_each_entry(net, net_list, exit_list) {
- struct vxlan_net *vn = net_generic(net, vxlan_net_id);
+static void __net_exit vxlan_exit_net(struct net *net)
+{
+ struct vxlan_net *vn = net_generic(net, vxlan_net_id);
+ unsigned int h;
- for (h = 0; h < PORT_HASH_SIZE; ++h)
- WARN_ON_ONCE(!hlist_empty(&vn->sock_list[h]));
- }
+ for (h = 0; h < PORT_HASH_SIZE; ++h)
+ WARN_ON_ONCE(!hlist_empty(&vn->sock_list[h]));
}
static struct pernet_operations vxlan_net_ops = {
.init = vxlan_init_net,
- .exit_batch = vxlan_exit_batch_net,
+ .exit_batch_rtnl = vxlan_exit_batch_rtnl,
+ .exit = vxlan_exit_net,
.id = &vxlan_net_id,
.size = sizeof(struct vxlan_net),
};
diff --git a/include/net/ip_tunnels.h b/include/net/ip_tunnels.h
index 2d746f4c9a0a..5cd64bb2104d 100644
--- a/include/net/ip_tunnels.h
+++ b/include/net/ip_tunnels.h
@@ -284,7 +284,8 @@ int ip_tunnel_init_net(struct net *net, unsigned int ip_tnl_net_id,
struct rtnl_link_ops *ops, char *devname);
void ip_tunnel_delete_nets(struct list_head *list_net, unsigned int id,
- struct rtnl_link_ops *ops);
+ struct rtnl_link_ops *ops,
+ struct list_head *dev_to_kill);
void ip_tunnel_xmit(struct sk_buff *skb, struct net_device *dev,
const struct iphdr *tnl_params, const u8 protocol);
diff --git a/include/net/net_namespace.h b/include/net/net_namespace.h
index cd0c2eedbb5e..20c34bd7a077 100644
--- a/include/net/net_namespace.h
+++ b/include/net/net_namespace.h
@@ -448,6 +448,9 @@ struct pernet_operations {
void (*pre_exit)(struct net *net);
void (*exit)(struct net *net);
void (*exit_batch)(struct list_head *net_exit_list);
+ /* Following method is called with RTNL held. */
+ void (*exit_batch_rtnl)(struct list_head *net_exit_list,
+ struct list_head *dev_kill_list);
unsigned int *id;
size_t size;
};
diff --git a/include/net/nexthop.h b/include/net/nexthop.h
index d92046a4a078..6647ad509faa 100644
--- a/include/net/nexthop.h
+++ b/include/net/nexthop.h
@@ -218,6 +218,7 @@ struct nh_notifier_info {
int register_nexthop_notifier(struct net *net, struct notifier_block *nb,
struct netlink_ext_ack *extack);
+int __unregister_nexthop_notifier(struct net *net, struct notifier_block *nb);
int unregister_nexthop_notifier(struct net *net, struct notifier_block *nb);
void nexthop_set_hw_flags(struct net *net, u32 id, bool offload, bool trap);
void nexthop_bucket_set_hw_flags(struct net *net, u32 id, u16 bucket_index,
diff --git a/net/bridge/br.c b/net/bridge/br.c
index ac19b797dbec..2cab878e0a39 100644
--- a/net/bridge/br.c
+++ b/net/bridge/br.c
@@ -356,26 +356,21 @@ void br_opt_toggle(struct net_bridge *br, enum net_bridge_opts opt, bool on)
clear_bit(opt, &br->options);
}
-static void __net_exit br_net_exit_batch(struct list_head *net_list)
+static void __net_exit br_net_exit_batch_rtnl(struct list_head *net_list,
+ struct list_head *dev_to_kill)
{
struct net_device *dev;
struct net *net;
- LIST_HEAD(list);
-
- rtnl_lock();
+ ASSERT_RTNL();
list_for_each_entry(net, net_list, exit_list)
for_each_netdev(net, dev)
if (netif_is_bridge_master(dev))
- br_dev_delete(dev, &list);
-
- unregister_netdevice_many(&list);
-
- rtnl_unlock();
+ br_dev_delete(dev, dev_to_kill);
}
static struct pernet_operations br_net_ops = {
- .exit_batch = br_net_exit_batch,
+ .exit_batch_rtnl = br_net_exit_batch_rtnl,
};
static const struct stp_proto br_stp_proto = {
diff --git a/net/core/net_namespace.c b/net/core/net_namespace.c
index 72799533426b..233ec0cdd011 100644
--- a/net/core/net_namespace.c
+++ b/net/core/net_namespace.c
@@ -318,8 +318,9 @@ static __net_init int setup_net(struct net *net, struct user_namespace *user_ns)
{
/* Must be called with pernet_ops_rwsem held */
const struct pernet_operations *ops, *saved_ops;
- int error = 0;
LIST_HEAD(net_exit_list);
+ LIST_HEAD(dev_kill_list);
+ int error = 0;
refcount_set(&net->ns.count, 1);
ref_tracker_dir_init(&net->refcnt_tracker, 128, "net refcnt");
@@ -358,6 +359,15 @@ out_undo:
synchronize_rcu();
ops = saved_ops;
+ rtnl_lock();
+ list_for_each_entry_continue_reverse(ops, &pernet_list, list) {
+ if (ops->exit_batch_rtnl)
+ ops->exit_batch_rtnl(&net_exit_list, &dev_kill_list);
+ }
+ unregister_netdevice_many(&dev_kill_list);
+ rtnl_unlock();
+
+ ops = saved_ops;
list_for_each_entry_continue_reverse(ops, &pernet_list, list)
ops_exit_list(ops, &net_exit_list);
@@ -573,6 +583,7 @@ static void cleanup_net(struct work_struct *work)
struct net *net, *tmp, *last;
struct llist_node *net_kill_list;
LIST_HEAD(net_exit_list);
+ LIST_HEAD(dev_kill_list);
/* Atomically snapshot the list of namespaces to cleanup */
net_kill_list = llist_del_all(&cleanup_list);
@@ -613,6 +624,14 @@ static void cleanup_net(struct work_struct *work)
*/
synchronize_rcu();
+ rtnl_lock();
+ list_for_each_entry_reverse(ops, &pernet_list, list) {
+ if (ops->exit_batch_rtnl)
+ ops->exit_batch_rtnl(&net_exit_list, &dev_kill_list);
+ }
+ unregister_netdevice_many(&dev_kill_list);
+ rtnl_unlock();
+
/* Run all of the network namespace exit methods */
list_for_each_entry_reverse(ops, &pernet_list, list)
ops_exit_list(ops, &net_exit_list);
@@ -1193,7 +1212,17 @@ static void free_exit_list(struct pernet_operations *ops, struct list_head *net_
{
ops_pre_exit_list(ops, net_exit_list);
synchronize_rcu();
+
+ if (ops->exit_batch_rtnl) {
+ LIST_HEAD(dev_kill_list);
+
+ rtnl_lock();
+ ops->exit_batch_rtnl(net_exit_list, &dev_kill_list);
+ unregister_netdevice_many(&dev_kill_list);
+ rtnl_unlock();
+ }
ops_exit_list(ops, net_exit_list);
+
ops_free_list(ops, net_exit_list);
}
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index 5169c3c72cff..aad5125b7a65 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -1025,14 +1025,16 @@ static int __net_init ipgre_init_net(struct net *net)
return ip_tunnel_init_net(net, ipgre_net_id, &ipgre_link_ops, NULL);
}
-static void __net_exit ipgre_exit_batch_net(struct list_head *list_net)
+static void __net_exit ipgre_exit_batch_rtnl(struct list_head *list_net,
+ struct list_head *dev_to_kill)
{
- ip_tunnel_delete_nets(list_net, ipgre_net_id, &ipgre_link_ops);
+ ip_tunnel_delete_nets(list_net, ipgre_net_id, &ipgre_link_ops,
+ dev_to_kill);
}
static struct pernet_operations ipgre_net_ops = {
.init = ipgre_init_net,
- .exit_batch = ipgre_exit_batch_net,
+ .exit_batch_rtnl = ipgre_exit_batch_rtnl,
.id = &ipgre_net_id,
.size = sizeof(struct ip_tunnel_net),
};
@@ -1697,14 +1699,16 @@ static int __net_init ipgre_tap_init_net(struct net *net)
return ip_tunnel_init_net(net, gre_tap_net_id, &ipgre_tap_ops, "gretap0");
}
-static void __net_exit ipgre_tap_exit_batch_net(struct list_head *list_net)
+static void __net_exit ipgre_tap_exit_batch_rtnl(struct list_head *list_net,
+ struct list_head *dev_to_kill)
{
- ip_tunnel_delete_nets(list_net, gre_tap_net_id, &ipgre_tap_ops);
+ ip_tunnel_delete_nets(list_net, gre_tap_net_id, &ipgre_tap_ops,
+ dev_to_kill);
}
static struct pernet_operations ipgre_tap_net_ops = {
.init = ipgre_tap_init_net,
- .exit_batch = ipgre_tap_exit_batch_net,
+ .exit_batch_rtnl = ipgre_tap_exit_batch_rtnl,
.id = &gre_tap_net_id,
.size = sizeof(struct ip_tunnel_net),
};
@@ -1715,14 +1719,16 @@ static int __net_init erspan_init_net(struct net *net)
&erspan_link_ops, "erspan0");
}
-static void __net_exit erspan_exit_batch_net(struct list_head *net_list)
+static void __net_exit erspan_exit_batch_rtnl(struct list_head *net_list,
+ struct list_head *dev_to_kill)
{
- ip_tunnel_delete_nets(net_list, erspan_net_id, &erspan_link_ops);
+ ip_tunnel_delete_nets(net_list, erspan_net_id, &erspan_link_ops,
+ dev_to_kill);
}
static struct pernet_operations erspan_net_ops = {
.init = erspan_init_net,
- .exit_batch = erspan_exit_batch_net,
+ .exit_batch_rtnl = erspan_exit_batch_rtnl,
.id = &erspan_net_id,
.size = sizeof(struct ip_tunnel_net),
};
diff --git a/net/ipv4/ip_tunnel.c b/net/ipv4/ip_tunnel.c
index beeae624c412..00da0b80320f 100644
--- a/net/ipv4/ip_tunnel.c
+++ b/net/ipv4/ip_tunnel.c
@@ -1130,19 +1130,17 @@ static void ip_tunnel_destroy(struct net *net, struct ip_tunnel_net *itn,
}
void ip_tunnel_delete_nets(struct list_head *net_list, unsigned int id,
- struct rtnl_link_ops *ops)
+ struct rtnl_link_ops *ops,
+ struct list_head *dev_to_kill)
{
struct ip_tunnel_net *itn;
struct net *net;
- LIST_HEAD(list);
- rtnl_lock();
+ ASSERT_RTNL();
list_for_each_entry(net, net_list, exit_list) {
itn = net_generic(net, id);
- ip_tunnel_destroy(net, itn, &list, ops);
+ ip_tunnel_destroy(net, itn, dev_to_kill, ops);
}
- unregister_netdevice_many(&list);
- rtnl_unlock();
}
EXPORT_SYMBOL_GPL(ip_tunnel_delete_nets);
diff --git a/net/ipv4/ip_vti.c b/net/ipv4/ip_vti.c
index 9ab9b3ebe0cd..fb1f52d21311 100644
--- a/net/ipv4/ip_vti.c
+++ b/net/ipv4/ip_vti.c
@@ -510,14 +510,16 @@ static int __net_init vti_init_net(struct net *net)
return 0;
}
-static void __net_exit vti_exit_batch_net(struct list_head *list_net)
+static void __net_exit vti_exit_batch_rtnl(struct list_head *list_net,
+ struct list_head *dev_to_kill)
{
- ip_tunnel_delete_nets(list_net, vti_net_id, &vti_link_ops);
+ ip_tunnel_delete_nets(list_net, vti_net_id, &vti_link_ops,
+ dev_to_kill);
}
static struct pernet_operations vti_net_ops = {
.init = vti_init_net,
- .exit_batch = vti_exit_batch_net,
+ .exit_batch_rtnl = vti_exit_batch_rtnl,
.id = &vti_net_id,
.size = sizeof(struct ip_tunnel_net),
};
diff --git a/net/ipv4/ipip.c b/net/ipv4/ipip.c
index 27b8f83c6ea2..0151eea06cc5 100644
--- a/net/ipv4/ipip.c
+++ b/net/ipv4/ipip.c
@@ -592,14 +592,16 @@ static int __net_init ipip_init_net(struct net *net)
return ip_tunnel_init_net(net, ipip_net_id, &ipip_link_ops, "tunl0");
}
-static void __net_exit ipip_exit_batch_net(struct list_head *list_net)
+static void __net_exit ipip_exit_batch_rtnl(struct list_head *list_net,
+ struct list_head *dev_to_kill)
{
- ip_tunnel_delete_nets(list_net, ipip_net_id, &ipip_link_ops);
+ ip_tunnel_delete_nets(list_net, ipip_net_id, &ipip_link_ops,
+ dev_to_kill);
}
static struct pernet_operations ipip_net_ops = {
.init = ipip_init_net,
- .exit_batch = ipip_exit_batch_net,
+ .exit_batch_rtnl = ipip_exit_batch_rtnl,
.id = &ipip_net_id,
.size = sizeof(struct ip_tunnel_net),
};
diff --git a/net/ipv4/nexthop.c b/net/ipv4/nexthop.c
index bbff68b5b5d4..70509da4f080 100644
--- a/net/ipv4/nexthop.c
+++ b/net/ipv4/nexthop.c
@@ -3631,17 +3631,24 @@ unlock:
}
EXPORT_SYMBOL(register_nexthop_notifier);
-int unregister_nexthop_notifier(struct net *net, struct notifier_block *nb)
+int __unregister_nexthop_notifier(struct net *net, struct notifier_block *nb)
{
int err;
- rtnl_lock();
err = blocking_notifier_chain_unregister(&net->nexthop.notifier_chain,
nb);
- if (err)
- goto unlock;
- nexthops_dump(net, nb, NEXTHOP_EVENT_DEL, NULL);
-unlock:
+ if (!err)
+ nexthops_dump(net, nb, NEXTHOP_EVENT_DEL, NULL);
+ return err;
+}
+EXPORT_SYMBOL(__unregister_nexthop_notifier);
+
+int unregister_nexthop_notifier(struct net *net, struct notifier_block *nb)
+{
+ int err;
+
+ rtnl_lock();
+ err = __unregister_nexthop_notifier(net, nb);
rtnl_unlock();
return err;
}
@@ -3737,16 +3744,20 @@ out:
}
EXPORT_SYMBOL(nexthop_res_grp_activity_update);
-static void __net_exit nexthop_net_exit_batch(struct list_head *net_list)
+static void __net_exit nexthop_net_exit_batch_rtnl(struct list_head *net_list,
+ struct list_head *dev_to_kill)
{
struct net *net;
- rtnl_lock();
- list_for_each_entry(net, net_list, exit_list) {
+ ASSERT_RTNL();
+ list_for_each_entry(net, net_list, exit_list)
flush_all_nexthops(net);
- kfree(net->nexthop.devhash);
- }
- rtnl_unlock();
+}
+
+static void __net_exit nexthop_net_exit(struct net *net)
+{
+ kfree(net->nexthop.devhash);
+ net->nexthop.devhash = NULL;
}
static int __net_init nexthop_net_init(struct net *net)
@@ -3764,7 +3775,8 @@ static int __net_init nexthop_net_init(struct net *net)
static struct pernet_operations nexthop_net_ops = {
.init = nexthop_net_init,
- .exit_batch = nexthop_net_exit_batch,
+ .exit = nexthop_net_exit,
+ .exit_batch_rtnl = nexthop_net_exit_batch_rtnl,
};
static int __init nexthop_init(void)
diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c
index 070d87abf7c0..428f03e9da45 100644
--- a/net/ipv6/ip6_gre.c
+++ b/net/ipv6/ip6_gre.c
@@ -1632,21 +1632,19 @@ err_alloc_dev:
return err;
}
-static void __net_exit ip6gre_exit_batch_net(struct list_head *net_list)
+static void __net_exit ip6gre_exit_batch_rtnl(struct list_head *net_list,
+ struct list_head *dev_to_kill)
{
struct net *net;
- LIST_HEAD(list);
- rtnl_lock();
+ ASSERT_RTNL();
list_for_each_entry(net, net_list, exit_list)
- ip6gre_destroy_tunnels(net, &list);
- unregister_netdevice_many(&list);
- rtnl_unlock();
+ ip6gre_destroy_tunnels(net, dev_to_kill);
}
static struct pernet_operations ip6gre_net_ops = {
.init = ip6gre_init_net,
- .exit_batch = ip6gre_exit_batch_net,
+ .exit_batch_rtnl = ip6gre_exit_batch_rtnl,
.id = &ip6gre_net_id,
.size = sizeof(struct ip6gre_net),
};
diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index 9bbabf750a21..bfb0a6c601c1 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -2282,21 +2282,19 @@ err_alloc_dev:
return err;
}
-static void __net_exit ip6_tnl_exit_batch_net(struct list_head *net_list)
+static void __net_exit ip6_tnl_exit_batch_rtnl(struct list_head *net_list,
+ struct list_head *dev_to_kill)
{
struct net *net;
- LIST_HEAD(list);
- rtnl_lock();
+ ASSERT_RTNL();
list_for_each_entry(net, net_list, exit_list)
- ip6_tnl_destroy_tunnels(net, &list);
- unregister_netdevice_many(&list);
- rtnl_unlock();
+ ip6_tnl_destroy_tunnels(net, dev_to_kill);
}
static struct pernet_operations ip6_tnl_net_ops = {
.init = ip6_tnl_init_net,
- .exit_batch = ip6_tnl_exit_batch_net,
+ .exit_batch_rtnl = ip6_tnl_exit_batch_rtnl,
.id = &ip6_tnl_net_id,
.size = sizeof(struct ip6_tnl_net),
};
diff --git a/net/ipv6/ip6_vti.c b/net/ipv6/ip6_vti.c
index e550240c85e1..cfe1b1ad4d85 100644
--- a/net/ipv6/ip6_vti.c
+++ b/net/ipv6/ip6_vti.c
@@ -1174,24 +1174,22 @@ err_alloc_dev:
return err;
}
-static void __net_exit vti6_exit_batch_net(struct list_head *net_list)
+static void __net_exit vti6_exit_batch_rtnl(struct list_head *net_list,
+ struct list_head *dev_to_kill)
{
struct vti6_net *ip6n;
struct net *net;
- LIST_HEAD(list);
- rtnl_lock();
+ ASSERT_RTNL();
list_for_each_entry(net, net_list, exit_list) {
ip6n = net_generic(net, vti6_net_id);
- vti6_destroy_tunnels(ip6n, &list);
+ vti6_destroy_tunnels(ip6n, dev_to_kill);
}
- unregister_netdevice_many(&list);
- rtnl_unlock();
}
static struct pernet_operations vti6_net_ops = {
.init = vti6_init_net,
- .exit_batch = vti6_exit_batch_net,
+ .exit_batch_rtnl = vti6_exit_batch_rtnl,
.id = &vti6_net_id,
.size = sizeof(struct vti6_net),
};
diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index cc24cefdb85c..61b2b71fa8be 100644
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -1875,22 +1875,19 @@ err_alloc_dev:
return err;
}
-static void __net_exit sit_exit_batch_net(struct list_head *net_list)
+static void __net_exit sit_exit_batch_rtnl(struct list_head *net_list,
+ struct list_head *dev_to_kill)
{
- LIST_HEAD(list);
struct net *net;
- rtnl_lock();
+ ASSERT_RTNL();
list_for_each_entry(net, net_list, exit_list)
- sit_destroy_tunnels(net, &list);
-
- unregister_netdevice_many(&list);
- rtnl_unlock();
+ sit_destroy_tunnels(net, dev_to_kill);
}
static struct pernet_operations sit_net_ops = {
.init = sit_init_net,
- .exit_batch = sit_exit_batch_net,
+ .exit_batch_rtnl = sit_exit_batch_rtnl,
.id = &sit_net_id,
.size = sizeof(struct sit_net),
};
diff --git a/net/xfrm/xfrm_interface_core.c b/net/xfrm/xfrm_interface_core.c
index 21d50d75c260..dafefef3cf51 100644
--- a/net/xfrm/xfrm_interface_core.c
+++ b/net/xfrm/xfrm_interface_core.c
@@ -957,12 +957,12 @@ static struct rtnl_link_ops xfrmi_link_ops __read_mostly = {
.get_link_net = xfrmi_get_link_net,
};
-static void __net_exit xfrmi_exit_batch_net(struct list_head *net_exit_list)
+static void __net_exit xfrmi_exit_batch_rtnl(struct list_head *net_exit_list,
+ struct list_head *dev_to_kill)
{
struct net *net;
- LIST_HEAD(list);
- rtnl_lock();
+ ASSERT_RTNL();
list_for_each_entry(net, net_exit_list, exit_list) {
struct xfrmi_net *xfrmn = net_generic(net, xfrmi_net_id);
struct xfrm_if __rcu **xip;
@@ -973,18 +973,16 @@ static void __net_exit xfrmi_exit_batch_net(struct list_head *net_exit_list)
for (xip = &xfrmn->xfrmi[i];
(xi = rtnl_dereference(*xip)) != NULL;
xip = &xi->next)
- unregister_netdevice_queue(xi->dev, &list);
+ unregister_netdevice_queue(xi->dev, dev_to_kill);
}
xi = rtnl_dereference(xfrmn->collect_md_xfrmi);
if (xi)
- unregister_netdevice_queue(xi->dev, &list);
+ unregister_netdevice_queue(xi->dev, dev_to_kill);
}
- unregister_netdevice_many(&list);
- rtnl_unlock();
}
static struct pernet_operations xfrmi_net_ops = {
- .exit_batch = xfrmi_exit_batch_net,
+ .exit_batch_rtnl = xfrmi_exit_batch_rtnl,
.id = &xfrmi_net_id,
.size = sizeof(struct xfrmi_net),
};
generated by cgit v1.2.3 (git 2.39.0) at 2024-07-22 19:11:59 +0300