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-rw-r--r--net/ipv6/netfilter/ip6_tables.c2
-rw-r--r--net/ipv6/netfilter/ip6t_LOG.c3
-rw-r--r--net/ipv6/netfilter/nf_conntrack_reasm.c3
-rw-r--r--net/ipv6/raw.c14
-rw-r--r--net/ipv6/sit.c23
5 files changed, 25 insertions, 20 deletions
diff --git a/net/ipv6/netfilter/ip6_tables.c b/net/ipv6/netfilter/ip6_tables.c
index 7d227c644f7..47b7b8df7fa 100644
--- a/net/ipv6/netfilter/ip6_tables.c
+++ b/net/ipv6/netfilter/ip6_tables.c
@@ -1076,6 +1076,7 @@ static int compat_table_info(const struct xt_table_info *info,
memcpy(newinfo, info, offsetof(struct xt_table_info, entries));
newinfo->initial_entries = 0;
loc_cpu_entry = info->entries[raw_smp_processor_id()];
+ xt_compat_init_offsets(AF_INET6, info->number);
xt_entry_foreach(iter, loc_cpu_entry, info->size) {
ret = compat_calc_entry(iter, info, loc_cpu_entry, newinfo);
if (ret != 0)
@@ -1679,6 +1680,7 @@ translate_compat_table(struct net *net,
duprintf("translate_compat_table: size %u\n", info->size);
j = 0;
xt_compat_lock(AF_INET6);
+ xt_compat_init_offsets(AF_INET6, number);
/* Walk through entries, checking offsets. */
xt_entry_foreach(iter0, entry0, total_size) {
ret = check_compat_entry_size_and_hooks(iter0, info, &size,
diff --git a/net/ipv6/netfilter/ip6t_LOG.c b/net/ipv6/netfilter/ip6t_LOG.c
index 09c88891a75..05027b75372 100644
--- a/net/ipv6/netfilter/ip6t_LOG.c
+++ b/net/ipv6/netfilter/ip6t_LOG.c
@@ -452,8 +452,7 @@ ip6t_log_packet(u_int8_t pf,
in ? in->name : "",
out ? out->name : "");
- /* MAC logging for input path only. */
- if (in && !out)
+ if (in != NULL)
dump_mac_header(m, loginfo, skb);
dump_packet(m, loginfo, skb, skb_network_offset(skb), 1);
diff --git a/net/ipv6/netfilter/nf_conntrack_reasm.c b/net/ipv6/netfilter/nf_conntrack_reasm.c
index 79d43aa8fa8..08572726381 100644
--- a/net/ipv6/netfilter/nf_conntrack_reasm.c
+++ b/net/ipv6/netfilter/nf_conntrack_reasm.c
@@ -45,6 +45,7 @@
#include <linux/netfilter_ipv6.h>
#include <linux/kernel.h>
#include <linux/module.h>
+#include <net/netfilter/ipv6/nf_defrag_ipv6.h>
struct nf_ct_frag6_skb_cb
@@ -73,7 +74,7 @@ static struct inet_frags nf_frags;
static struct netns_frags nf_init_frags;
#ifdef CONFIG_SYSCTL
-struct ctl_table nf_ct_frag6_sysctl_table[] = {
+static struct ctl_table nf_ct_frag6_sysctl_table[] = {
{
.procname = "nf_conntrack_frag6_timeout",
.data = &nf_init_frags.timeout,
diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c
index 86c39526ba5..2bc6cd7bb8e 100644
--- a/net/ipv6/raw.c
+++ b/net/ipv6/raw.c
@@ -123,18 +123,18 @@ static __inline__ int icmpv6_filter(struct sock *sk, struct sk_buff *skb)
}
#if defined(CONFIG_IPV6_MIP6) || defined(CONFIG_IPV6_MIP6_MODULE)
-static int (*mh_filter)(struct sock *sock, struct sk_buff *skb);
+typedef int mh_filter_t(struct sock *sock, struct sk_buff *skb);
-int rawv6_mh_filter_register(int (*filter)(struct sock *sock,
- struct sk_buff *skb))
+static mh_filter_t __rcu *mh_filter __read_mostly;
+
+int rawv6_mh_filter_register(mh_filter_t filter)
{
rcu_assign_pointer(mh_filter, filter);
return 0;
}
EXPORT_SYMBOL(rawv6_mh_filter_register);
-int rawv6_mh_filter_unregister(int (*filter)(struct sock *sock,
- struct sk_buff *skb))
+int rawv6_mh_filter_unregister(mh_filter_t filter)
{
rcu_assign_pointer(mh_filter, NULL);
synchronize_rcu();
@@ -192,10 +192,10 @@ static int ipv6_raw_deliver(struct sk_buff *skb, int nexthdr)
* policy is placed in rawv6_rcv() because it is
* required for each socket.
*/
- int (*filter)(struct sock *sock, struct sk_buff *skb);
+ mh_filter_t *filter;
filter = rcu_dereference(mh_filter);
- filtered = filter ? filter(sk, skb) : 0;
+ filtered = filter ? (*filter)(sk, skb) : 0;
break;
}
#endif
diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index 8ce38f10a54..b1599a345c1 100644
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -412,7 +412,7 @@ static void prl_list_destroy_rcu(struct rcu_head *head)
p = container_of(head, struct ip_tunnel_prl_entry, rcu_head);
do {
- n = p->next;
+ n = rcu_dereference_protected(p->next, 1);
kfree(p);
p = n;
} while (p);
@@ -421,15 +421,17 @@ static void prl_list_destroy_rcu(struct rcu_head *head)
static int
ipip6_tunnel_del_prl(struct ip_tunnel *t, struct ip_tunnel_prl *a)
{
- struct ip_tunnel_prl_entry *x, **p;
+ struct ip_tunnel_prl_entry *x;
+ struct ip_tunnel_prl_entry __rcu **p;
int err = 0;
ASSERT_RTNL();
if (a && a->addr != htonl(INADDR_ANY)) {
- for (p = &t->prl; *p; p = &(*p)->next) {
- if ((*p)->addr == a->addr) {
- x = *p;
+ for (p = &t->prl;
+ (x = rtnl_dereference(*p)) != NULL;
+ p = &x->next) {
+ if (x->addr == a->addr) {
*p = x->next;
call_rcu(&x->rcu_head, prl_entry_destroy_rcu);
t->prl_count--;
@@ -438,9 +440,9 @@ ipip6_tunnel_del_prl(struct ip_tunnel *t, struct ip_tunnel_prl *a)
}
err = -ENXIO;
} else {
- if (t->prl) {
+ x = rtnl_dereference(t->prl);
+ if (x) {
t->prl_count = 0;
- x = t->prl;
call_rcu(&x->rcu_head, prl_list_destroy_rcu);
t->prl = NULL;
}
@@ -1179,7 +1181,7 @@ static int __net_init ipip6_fb_tunnel_init(struct net_device *dev)
if (!dev->tstats)
return -ENOMEM;
dev_hold(dev);
- sitn->tunnels_wc[0] = tunnel;
+ rcu_assign_pointer(sitn->tunnels_wc[0], tunnel);
return 0;
}
@@ -1196,11 +1198,12 @@ static void __net_exit sit_destroy_tunnels(struct sit_net *sitn, struct list_hea
for (prio = 1; prio < 4; prio++) {
int h;
for (h = 0; h < HASH_SIZE; h++) {
- struct ip_tunnel *t = sitn->tunnels[prio][h];
+ struct ip_tunnel *t;
+ t = rtnl_dereference(sitn->tunnels[prio][h]);
while (t != NULL) {
unregister_netdevice_queue(t->dev, head);
- t = t->next;
+ t = rtnl_dereference(t->next);
}
}
}