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Diffstat (limited to 'net/core')
-rw-r--r--net/core/dev.c33
-rw-r--r--net/core/filter.c4
-rw-r--r--net/core/neighbour.c5
-rw-r--r--net/core/net-sysfs.c7
-rw-r--r--net/core/net-sysfs.h2
-rw-r--r--net/core/netpoll.c2
-rw-r--r--net/core/pktgen.c12
-rw-r--r--net/core/skbuff.c4
-rw-r--r--net/core/sock.c5
9 files changed, 46 insertions, 28 deletions
diff --git a/net/core/dev.c b/net/core/dev.c
index e1df1ab3e04a..a1607bc0cd4c 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -162,7 +162,7 @@ struct net_dma {
struct dma_client client;
spinlock_t lock;
cpumask_t channel_mask;
- struct dma_chan *channels[NR_CPUS];
+ struct dma_chan **channels;
};
static enum dma_state_client
@@ -994,6 +994,8 @@ int dev_open(struct net_device *dev)
{
int ret = 0;
+ ASSERT_RTNL();
+
/*
* Is it already up?
*/
@@ -1060,6 +1062,8 @@ int dev_open(struct net_device *dev)
*/
int dev_close(struct net_device *dev)
{
+ ASSERT_RTNL();
+
might_sleep();
if (!(dev->flags & IFF_UP))
@@ -1524,7 +1528,7 @@ static int dev_gso_segment(struct sk_buff *skb)
if (!segs)
return 0;
- if (unlikely(IS_ERR(segs)))
+ if (IS_ERR(segs))
return PTR_ERR(segs);
skb->next = segs;
@@ -2444,7 +2448,7 @@ static struct netif_rx_stats *softnet_get_online(loff_t *pos)
{
struct netif_rx_stats *rc = NULL;
- while (*pos < NR_CPUS)
+ while (*pos < nr_cpu_ids)
if (cpu_online(*pos)) {
rc = &per_cpu(netdev_rx_stat, *pos);
break;
@@ -3776,6 +3780,7 @@ int register_netdevice(struct net_device *dev)
}
}
+ netdev_initialize_kobject(dev);
ret = netdev_register_kobject(dev);
if (ret)
goto err_uninit;
@@ -4208,7 +4213,8 @@ int dev_change_net_namespace(struct net_device *dev, struct net *net, const char
}
/* Fixup kobjects */
- err = device_rename(&dev->dev, dev->name);
+ netdev_unregister_kobject(dev);
+ err = netdev_register_kobject(dev);
WARN_ON(err);
/* Add the device back in the hashes */
@@ -4324,7 +4330,7 @@ netdev_dma_event(struct dma_client *client, struct dma_chan *chan,
spin_lock(&net_dma->lock);
switch (state) {
case DMA_RESOURCE_AVAILABLE:
- for (i = 0; i < NR_CPUS; i++)
+ for (i = 0; i < nr_cpu_ids; i++)
if (net_dma->channels[i] == chan) {
found = 1;
break;
@@ -4339,7 +4345,7 @@ netdev_dma_event(struct dma_client *client, struct dma_chan *chan,
}
break;
case DMA_RESOURCE_REMOVED:
- for (i = 0; i < NR_CPUS; i++)
+ for (i = 0; i < nr_cpu_ids; i++)
if (net_dma->channels[i] == chan) {
found = 1;
pos = i;
@@ -4366,6 +4372,13 @@ netdev_dma_event(struct dma_client *client, struct dma_chan *chan,
*/
static int __init netdev_dma_register(void)
{
+ net_dma.channels = kzalloc(nr_cpu_ids * sizeof(struct net_dma),
+ GFP_KERNEL);
+ if (unlikely(!net_dma.channels)) {
+ printk(KERN_NOTICE
+ "netdev_dma: no memory for net_dma.channels\n");
+ return -ENOMEM;
+ }
spin_lock_init(&net_dma.lock);
dma_cap_set(DMA_MEMCPY, net_dma.client.cap_mask);
dma_async_client_register(&net_dma.client);
@@ -4471,17 +4484,19 @@ static void __net_exit default_device_exit(struct net *net)
rtnl_lock();
for_each_netdev_safe(net, dev, next) {
int err;
+ char fb_name[IFNAMSIZ];
/* Ignore unmoveable devices (i.e. loopback) */
if (dev->features & NETIF_F_NETNS_LOCAL)
continue;
/* Push remaing network devices to init_net */
- err = dev_change_net_namespace(dev, &init_net, "dev%d");
+ snprintf(fb_name, IFNAMSIZ, "dev%d", dev->ifindex);
+ err = dev_change_net_namespace(dev, &init_net, fb_name);
if (err) {
- printk(KERN_WARNING "%s: failed to move %s to init_net: %d\n",
+ printk(KERN_EMERG "%s: failed to move %s to init_net: %d\n",
__func__, dev->name, err);
- unregister_netdevice(dev);
+ BUG();
}
}
rtnl_unlock();
diff --git a/net/core/filter.c b/net/core/filter.c
index f5f3cf603064..4f8369729a4e 100644
--- a/net/core/filter.c
+++ b/net/core/filter.c
@@ -213,7 +213,7 @@ unsigned int sk_run_filter(struct sk_buff *skb, struct sock_filter *filter, int
load_w:
ptr = load_pointer(skb, k, 4, &tmp);
if (ptr != NULL) {
- A = ntohl(get_unaligned((__be32 *)ptr));
+ A = get_unaligned_be32(ptr);
continue;
}
break;
@@ -222,7 +222,7 @@ load_w:
load_h:
ptr = load_pointer(skb, k, 2, &tmp);
if (ptr != NULL) {
- A = ntohs(get_unaligned((__be16 *)ptr));
+ A = get_unaligned_be16(ptr);
continue;
}
break;
diff --git a/net/core/neighbour.c b/net/core/neighbour.c
index 75075c303c44..5d9d7130bd6e 100644
--- a/net/core/neighbour.c
+++ b/net/core/neighbour.c
@@ -1430,11 +1430,10 @@ void neigh_table_init_no_netlink(struct neigh_table *tbl)
panic("cannot create neighbour cache statistics");
#ifdef CONFIG_PROC_FS
- tbl->pde = proc_create(tbl->id, 0, init_net.proc_net_stat,
- &neigh_stat_seq_fops);
+ tbl->pde = proc_create_data(tbl->id, 0, init_net.proc_net_stat,
+ &neigh_stat_seq_fops, tbl);
if (!tbl->pde)
panic("cannot create neighbour proc dir entry");
- tbl->pde->data = tbl;
#endif
tbl->hash_mask = 1;
diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c
index 4e7b847347f7..90e2177af081 100644
--- a/net/core/net-sysfs.c
+++ b/net/core/net-sysfs.c
@@ -449,7 +449,6 @@ int netdev_register_kobject(struct net_device *net)
struct device *dev = &(net->dev);
struct attribute_group **groups = net->sysfs_groups;
- device_initialize(dev);
dev->class = &net_class;
dev->platform_data = net;
dev->groups = groups;
@@ -470,6 +469,12 @@ int netdev_register_kobject(struct net_device *net)
return device_add(dev);
}
+void netdev_initialize_kobject(struct net_device *net)
+{
+ struct device *device = &(net->dev);
+ device_initialize(device);
+}
+
int netdev_kobject_init(void)
{
return class_register(&net_class);
diff --git a/net/core/net-sysfs.h b/net/core/net-sysfs.h
index f5f108db3924..14e7524260b3 100644
--- a/net/core/net-sysfs.h
+++ b/net/core/net-sysfs.h
@@ -4,5 +4,5 @@
int netdev_kobject_init(void);
int netdev_register_kobject(struct net_device *);
void netdev_unregister_kobject(struct net_device *);
-
+void netdev_initialize_kobject(struct net_device *);
#endif
diff --git a/net/core/netpoll.c b/net/core/netpoll.c
index b04d643fc3c7..8fb134da0346 100644
--- a/net/core/netpoll.c
+++ b/net/core/netpoll.c
@@ -419,7 +419,7 @@ static void arp_reply(struct sk_buff *skb)
return;
size = arp_hdr_len(skb->dev);
- send_skb = find_skb(np, size + LL_RESERVED_SPACE(np->dev),
+ send_skb = find_skb(np, size + LL_ALLOCATED_SPACE(np->dev),
LL_RESERVED_SPACE(np->dev));
if (!send_skb)
diff --git a/net/core/pktgen.c b/net/core/pktgen.c
index a803b442234c..8dca21110493 100644
--- a/net/core/pktgen.c
+++ b/net/core/pktgen.c
@@ -3570,15 +3570,14 @@ static int pktgen_add_device(struct pktgen_thread *t, const char *ifname)
if (err)
goto out1;
- pkt_dev->entry = proc_create(ifname, 0600,
- pg_proc_dir, &pktgen_if_fops);
+ pkt_dev->entry = proc_create_data(ifname, 0600, pg_proc_dir,
+ &pktgen_if_fops, pkt_dev);
if (!pkt_dev->entry) {
printk(KERN_ERR "pktgen: cannot create %s/%s procfs entry.\n",
PG_PROC_DIR, ifname);
err = -EINVAL;
goto out2;
}
- pkt_dev->entry->data = pkt_dev;
#ifdef CONFIG_XFRM
pkt_dev->ipsmode = XFRM_MODE_TRANSPORT;
pkt_dev->ipsproto = IPPROTO_ESP;
@@ -3628,7 +3627,8 @@ static int __init pktgen_create_thread(int cpu)
kthread_bind(p, cpu);
t->tsk = p;
- pe = proc_create(t->tsk->comm, 0600, pg_proc_dir, &pktgen_thread_fops);
+ pe = proc_create_data(t->tsk->comm, 0600, pg_proc_dir,
+ &pktgen_thread_fops, t);
if (!pe) {
printk(KERN_ERR "pktgen: cannot create %s/%s procfs entry.\n",
PG_PROC_DIR, t->tsk->comm);
@@ -3638,8 +3638,6 @@ static int __init pktgen_create_thread(int cpu)
return -EINVAL;
}
- pe->data = t;
-
wake_up_process(p);
return 0;
@@ -3716,8 +3714,6 @@ static int __init pg_init(void)
return -EINVAL;
}
- pe->data = NULL;
-
/* Register us to receive netdevice events */
register_netdevice_notifier(&pktgen_notifier_block);
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 4fe605fa6f8a..5c459f2b7985 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -200,7 +200,9 @@ struct sk_buff *__alloc_skb(unsigned int size, gfp_t gfp_mask,
goto nodata;
/*
- * See comment in sk_buff definition, just before the 'tail' member
+ * Only clear those fields we need to clear, not those that we will
+ * actually initialise below. Hence, don't put any more fields after
+ * the tail pointer in struct sk_buff!
*/
memset(skb, 0, offsetof(struct sk_buff, tail));
skb->truesize = size + sizeof(struct sk_buff);
diff --git a/net/core/sock.c b/net/core/sock.c
index 5dbb81bc9673..88094cb09c06 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -228,11 +228,12 @@ static int sock_set_timeout(long *timeo_p, char __user *optval, int optlen)
static int warned __read_mostly;
*timeo_p = 0;
- if (warned < 10 && net_ratelimit())
+ if (warned < 10 && net_ratelimit()) {
warned++;
printk(KERN_INFO "sock_set_timeout: `%s' (pid %d) "
"tries to set negative timeout\n",
current->comm, task_pid_nr(current));
+ }
return 0;
}
*timeo_p = MAX_SCHEDULE_TIMEOUT;
@@ -269,7 +270,7 @@ int sock_queue_rcv_skb(struct sock *sk, struct sk_buff *skb)
int err = 0;
int skb_len;
- /* Cast skb->rcvbuf to unsigned... It's pointless, but reduces
+ /* Cast sk->rcvbuf to unsigned... It's pointless, but reduces
number of warnings when compiling with -W --ANK
*/
if (atomic_read(&sk->sk_rmem_alloc) + skb->truesize >=
generated by cgit v1.2.3 (git 2.0.4) at 2025-12-15 19:48:45 +0000