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Diffstat (limited to 'net/core')
-rw-r--r--net/core/dev.c25
-rw-r--r--net/core/neighbour.c2
-rw-r--r--net/core/net-sysfs.c7
-rw-r--r--net/core/net_namespace.c2
-rw-r--r--net/core/netpoll.c5
-rw-r--r--net/core/pktgen.c9
-rw-r--r--net/core/skbuff.c2
-rw-r--r--net/core/sock.c3
8 files changed, 36 insertions, 19 deletions
diff --git a/net/core/dev.c b/net/core/dev.c
index d9038e328cc..3a2b8be9e67 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -924,10 +924,15 @@ int dev_change_name(struct net_device *dev, const char *newname)
strlcpy(dev->name, newname, IFNAMSIZ);
rollback:
- ret = device_rename(&dev->dev, dev->name);
- if (ret) {
- memcpy(dev->name, oldname, IFNAMSIZ);
- return ret;
+ /* For now only devices in the initial network namespace
+ * are in sysfs.
+ */
+ if (net == &init_net) {
+ ret = device_rename(&dev->dev, dev->name);
+ if (ret) {
+ memcpy(dev->name, oldname, IFNAMSIZ);
+ return ret;
+ }
}
write_lock_bh(&dev_base_lock);
@@ -4460,6 +4465,15 @@ int dev_change_net_namespace(struct net_device *dev, struct net *net, const char
if (dev->features & NETIF_F_NETNS_LOCAL)
goto out;
+#ifdef CONFIG_SYSFS
+ /* Don't allow real devices to be moved when sysfs
+ * is enabled.
+ */
+ err = -EINVAL;
+ if (dev->dev.parent)
+ goto out;
+#endif
+
/* Ensure the device has been registrered */
err = -EINVAL;
if (dev->reg_state != NETREG_REGISTERED)
@@ -4517,6 +4531,8 @@ int dev_change_net_namespace(struct net_device *dev, struct net *net, const char
*/
dev_addr_discard(dev);
+ netdev_unregister_kobject(dev);
+
/* Actually switch the network namespace */
dev_net_set(dev, net);
@@ -4533,7 +4549,6 @@ int dev_change_net_namespace(struct net_device *dev, struct net *net, const char
}
/* Fixup kobjects */
- netdev_unregister_kobject(dev);
err = netdev_register_kobject(dev);
WARN_ON(err);
diff --git a/net/core/neighbour.c b/net/core/neighbour.c
index 1dc728b3858..b337a937ea5 100644
--- a/net/core/neighbour.c
+++ b/net/core/neighbour.c
@@ -1340,7 +1340,6 @@ struct neigh_parms *neigh_parms_alloc(struct net_device *dev,
if (p) {
p->tbl = tbl;
atomic_set(&p->refcnt, 1);
- INIT_RCU_HEAD(&p->rcu_head);
p->reachable_time =
neigh_rand_reach_time(p->base_reachable_time);
@@ -1412,7 +1411,6 @@ void neigh_table_init_no_netlink(struct neigh_table *tbl)
tbl->parms.net = &init_net;
#endif
atomic_set(&tbl->parms.refcnt, 1);
- INIT_RCU_HEAD(&tbl->parms.rcu_head);
tbl->parms.reachable_time =
neigh_rand_reach_time(tbl->parms.base_reachable_time);
diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c
index 92d6b946731..85cb8bdcfb8 100644
--- a/net/core/net-sysfs.c
+++ b/net/core/net-sysfs.c
@@ -476,6 +476,10 @@ void netdev_unregister_kobject(struct net_device * net)
struct device *dev = &(net->dev);
kobject_get(&dev->kobj);
+
+ if (dev_net(net) != &init_net)
+ return;
+
device_del(dev);
}
@@ -501,6 +505,9 @@ int netdev_register_kobject(struct net_device *net)
#endif
#endif /* CONFIG_SYSFS */
+ if (dev_net(net) != &init_net)
+ return 0;
+
return device_add(dev);
}
diff --git a/net/core/net_namespace.c b/net/core/net_namespace.c
index 1895a4ca9c4..55cffad2f32 100644
--- a/net/core/net_namespace.c
+++ b/net/core/net_namespace.c
@@ -47,7 +47,6 @@ static __net_init int setup_net(struct net *net)
goto out;
ng->len = INITIAL_NET_GEN_PTRS;
- INIT_RCU_HEAD(&ng->rcu);
rcu_assign_pointer(net->gen, ng);
error = 0;
@@ -478,7 +477,6 @@ int net_assign_generic(struct net *net, int id, void *data)
*/
ng->len = id;
- INIT_RCU_HEAD(&ng->rcu);
memcpy(&ng->ptr, &old_ng->ptr, old_ng->len);
rcu_assign_pointer(net->gen, ng);
diff --git a/net/core/netpoll.c b/net/core/netpoll.c
index 6c7af390be0..34f5d072f16 100644
--- a/net/core/netpoll.c
+++ b/net/core/netpoll.c
@@ -553,7 +553,6 @@ out:
void netpoll_print_options(struct netpoll *np)
{
- DECLARE_MAC_BUF(mac);
printk(KERN_INFO "%s: local port %d\n",
np->name, np->local_port);
printk(KERN_INFO "%s: local IP %d.%d.%d.%d\n",
@@ -564,8 +563,8 @@ void netpoll_print_options(struct netpoll *np)
np->name, np->remote_port);
printk(KERN_INFO "%s: remote IP %d.%d.%d.%d\n",
np->name, HIPQUAD(np->remote_ip));
- printk(KERN_INFO "%s: remote ethernet address %s\n",
- np->name, print_mac(mac, np->remote_mac));
+ printk(KERN_INFO "%s: remote ethernet address %pM\n",
+ np->name, np->remote_mac);
}
int netpoll_parse_options(struct netpoll *np, char *opt)
diff --git a/net/core/pktgen.c b/net/core/pktgen.c
index a47f5bad110..fa4973bf73e 100644
--- a/net/core/pktgen.c
+++ b/net/core/pktgen.c
@@ -509,7 +509,6 @@ static int pktgen_if_show(struct seq_file *seq, void *v)
__u64 sa;
__u64 stopped;
__u64 now = getCurUs();
- DECLARE_MAC_BUF(mac);
seq_printf(seq,
"Params: count %llu min_pkt_size: %u max_pkt_size: %u\n",
@@ -554,12 +553,12 @@ static int pktgen_if_show(struct seq_file *seq, void *v)
seq_puts(seq, " src_mac: ");
- seq_printf(seq, "%s ",
- print_mac(mac, is_zero_ether_addr(pkt_dev->src_mac) ?
- pkt_dev->odev->dev_addr : pkt_dev->src_mac));
+ seq_printf(seq, "%pM ",
+ is_zero_ether_addr(pkt_dev->src_mac) ?
+ pkt_dev->odev->dev_addr : pkt_dev->src_mac);
seq_printf(seq, "dst_mac: ");
- seq_printf(seq, "%s\n", print_mac(mac, pkt_dev->dst_mac));
+ seq_printf(seq, "%pM\n", pkt_dev->dst_mac);
seq_printf(seq,
" udp_src_min: %d udp_src_max: %d udp_dst_min: %d udp_dst_max: %d\n",
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 4e22e3a3535..cdfe473181a 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -489,7 +489,7 @@ static void __copy_skb_header(struct sk_buff *new, const struct sk_buff *old)
new->network_header = old->network_header;
new->mac_header = old->mac_header;
new->dst = dst_clone(old->dst);
-#ifdef CONFIG_INET
+#ifdef CONFIG_XFRM
new->sp = secpath_get(old->sp);
#endif
memcpy(new->cb, old->cb, sizeof(old->cb));
diff --git a/net/core/sock.c b/net/core/sock.c
index 5e2a3132a8c..ded1eb5d2fd 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -2042,7 +2042,8 @@ int proto_register(struct proto *prot, int alloc_slab)
if (alloc_slab) {
prot->slab = kmem_cache_create(prot->name, prot->obj_size, 0,
- SLAB_HWCACHE_ALIGN, NULL);
+ SLAB_HWCACHE_ALIGN | prot->slab_flags,
+ NULL);
if (prot->slab == NULL) {
printk(KERN_CRIT "%s: Can't create sock SLAB cache!\n",
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-13 04:07:21 +0000