diff options
Diffstat (limited to 'net/ipv4')
34 files changed, 478 insertions, 376 deletions
diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c index dd2b9478ddd1..1b5096a9875a 100644 --- a/net/ipv4/af_inet.c +++ b/net/ipv4/af_inet.c @@ -893,7 +893,7 @@ int inet_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg) EXPORT_SYMBOL(inet_ioctl); #ifdef CONFIG_COMPAT -int inet_compat_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg) +static int inet_compat_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg) { struct sock *sk = sock->sk; int err = -ENOIOCTLCMD; diff --git a/net/ipv4/cipso_ipv4.c b/net/ipv4/cipso_ipv4.c index 2c2a98e402e7..86f3b885b4f3 100644 --- a/net/ipv4/cipso_ipv4.c +++ b/net/ipv4/cipso_ipv4.c @@ -476,7 +476,7 @@ int cipso_v4_doi_add(struct cipso_v4_doi *doi_def, doi = doi_def->doi; doi_type = doi_def->type; - if (doi_def == NULL || doi_def->doi == CIPSO_V4_DOI_UNKNOWN) + if (doi_def->doi == CIPSO_V4_DOI_UNKNOWN) goto doi_add_return; for (iter = 0; iter < CIPSO_V4_TAG_MAXCNT; iter++) { switch (doi_def->tags[iter]) { diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c index bc19bd06dd00..c6b5092f29a1 100644 --- a/net/ipv4/devinet.c +++ b/net/ipv4/devinet.c @@ -258,7 +258,7 @@ static struct in_device *inetdev_init(struct net_device *dev) ip_mc_up(in_dev); /* we can receive as soon as ip_ptr is set -- do this last */ - rcu_assign_pointer(dev->ip_ptr, in_dev); + RCU_INIT_POINTER(dev->ip_ptr, in_dev); out: return in_dev; out_kfree: @@ -291,7 +291,7 @@ static void inetdev_destroy(struct in_device *in_dev) inet_free_ifa(ifa); } - rcu_assign_pointer(dev->ip_ptr, NULL); + RCU_INIT_POINTER(dev->ip_ptr, NULL); devinet_sysctl_unregister(in_dev); neigh_parms_release(&arp_tbl, in_dev->arp_parms); @@ -1175,7 +1175,7 @@ static int inetdev_event(struct notifier_block *this, unsigned long event, switch (event) { case NETDEV_REGISTER: printk(KERN_DEBUG "inetdev_event: bug\n"); - rcu_assign_pointer(dev->ip_ptr, NULL); + RCU_INIT_POINTER(dev->ip_ptr, NULL); break; case NETDEV_UP: if (!inetdev_valid_mtu(dev->mtu)) diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c index de9e2978476f..89d6f71a6a99 100644 --- a/net/ipv4/fib_trie.c +++ b/net/ipv4/fib_trie.c @@ -204,7 +204,7 @@ static inline struct tnode *node_parent_rcu(const struct rt_trie_node *node) return (struct tnode *)(parent & ~NODE_TYPE_MASK); } -/* Same as rcu_assign_pointer +/* Same as RCU_INIT_POINTER * but that macro() assumes that value is a pointer. */ static inline void node_set_parent(struct rt_trie_node *node, struct tnode *ptr) @@ -528,7 +528,7 @@ static void tnode_put_child_reorg(struct tnode *tn, int i, struct rt_trie_node * if (n) node_set_parent(n, tn); - rcu_assign_pointer(tn->child[i], n); + RCU_INIT_POINTER(tn->child[i], n); } #define MAX_WORK 10 @@ -1014,7 +1014,7 @@ static void trie_rebalance(struct trie *t, struct tnode *tn) tp = node_parent((struct rt_trie_node *) tn); if (!tp) - rcu_assign_pointer(t->trie, (struct rt_trie_node *)tn); + RCU_INIT_POINTER(t->trie, (struct rt_trie_node *)tn); tnode_free_flush(); if (!tp) @@ -1026,7 +1026,7 @@ static void trie_rebalance(struct trie *t, struct tnode *tn) if (IS_TNODE(tn)) tn = (struct tnode *)resize(t, (struct tnode *)tn); - rcu_assign_pointer(t->trie, (struct rt_trie_node *)tn); + RCU_INIT_POINTER(t->trie, (struct rt_trie_node *)tn); tnode_free_flush(); } @@ -1163,7 +1163,7 @@ static struct list_head *fib_insert_node(struct trie *t, u32 key, int plen) put_child(t, (struct tnode *)tp, cindex, (struct rt_trie_node *)tn); } else { - rcu_assign_pointer(t->trie, (struct rt_trie_node *)tn); + RCU_INIT_POINTER(t->trie, (struct rt_trie_node *)tn); tp = tn; } } @@ -1621,7 +1621,7 @@ static void trie_leaf_remove(struct trie *t, struct leaf *l) put_child(t, (struct tnode *)tp, cindex, NULL); trie_rebalance(t, tp); } else - rcu_assign_pointer(t->trie, NULL); + RCU_INIT_POINTER(t->trie, NULL); free_leaf(l); } diff --git a/net/ipv4/gre.c b/net/ipv4/gre.c index dbfc21de3479..8cb1ebb7cd74 100644 --- a/net/ipv4/gre.c +++ b/net/ipv4/gre.c @@ -34,7 +34,7 @@ int gre_add_protocol(const struct gre_protocol *proto, u8 version) if (gre_proto[version]) goto err_out_unlock; - rcu_assign_pointer(gre_proto[version], proto); + RCU_INIT_POINTER(gre_proto[version], proto); spin_unlock(&gre_proto_lock); return 0; @@ -54,7 +54,7 @@ int gre_del_protocol(const struct gre_protocol *proto, u8 version) if (rcu_dereference_protected(gre_proto[version], lockdep_is_held(&gre_proto_lock)) != proto) goto err_out_unlock; - rcu_assign_pointer(gre_proto[version], NULL); + RCU_INIT_POINTER(gre_proto[version], NULL); spin_unlock(&gre_proto_lock); synchronize_rcu(); return 0; diff --git a/net/ipv4/icmp.c b/net/ipv4/icmp.c index 23ef31baa1af..ab188ae12fd9 100644 --- a/net/ipv4/icmp.c +++ b/net/ipv4/icmp.c @@ -1152,10 +1152,9 @@ static int __net_init icmp_sk_init(struct net *net) net->ipv4.icmp_sk[i] = sk; /* Enough space for 2 64K ICMP packets, including - * sk_buff struct overhead. + * sk_buff/skb_shared_info struct overhead. */ - sk->sk_sndbuf = - (2 * ((64 * 1024) + sizeof(struct sk_buff))); + sk->sk_sndbuf = 2 * SKB_TRUESIZE(64 * 1024); /* * Speedup sock_wfree() diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c index d577199eabd5..c7472eff2d51 100644 --- a/net/ipv4/igmp.c +++ b/net/ipv4/igmp.c @@ -1009,7 +1009,7 @@ static void ip_mc_filter_add(struct in_device *in_dev, __be32 addr) /* Checking for IFF_MULTICAST here is WRONG-WRONG-WRONG. We will get multicast token leakage, when IFF_MULTICAST - is changed. This check should be done in dev->set_multicast_list + is changed. This check should be done in ndo_set_rx_mode routine. Something sort of: if (dev->mc_list && dev->flags&IFF_MULTICAST) { do it; } --ANK @@ -1242,7 +1242,7 @@ void ip_mc_inc_group(struct in_device *in_dev, __be32 addr) im->next_rcu = in_dev->mc_list; in_dev->mc_count++; - rcu_assign_pointer(in_dev->mc_list, im); + RCU_INIT_POINTER(in_dev->mc_list, im); #ifdef CONFIG_IP_MULTICAST igmpv3_del_delrec(in_dev, im->multiaddr); @@ -1813,7 +1813,7 @@ int ip_mc_join_group(struct sock *sk , struct ip_mreqn *imr) iml->next_rcu = inet->mc_list; iml->sflist = NULL; iml->sfmode = MCAST_EXCLUDE; - rcu_assign_pointer(inet->mc_list, iml); + RCU_INIT_POINTER(inet->mc_list, iml); ip_mc_inc_group(in_dev, addr); err = 0; done: @@ -1835,7 +1835,7 @@ static int ip_mc_leave_src(struct sock *sk, struct ip_mc_socklist *iml, } err = ip_mc_del_src(in_dev, &iml->multi.imr_multiaddr.s_addr, iml->sfmode, psf->sl_count, psf->sl_addr, 0); - rcu_assign_pointer(iml->sflist, NULL); + RCU_INIT_POINTER(iml->sflist, NULL); /* decrease mem now to avoid the memleak warning */ atomic_sub(IP_SFLSIZE(psf->sl_max), &sk->sk_omem_alloc); kfree_rcu(psf, rcu); @@ -2000,7 +2000,7 @@ int ip_mc_source(int add, int omode, struct sock *sk, struct atomic_sub(IP_SFLSIZE(psl->sl_max), &sk->sk_omem_alloc); kfree_rcu(psl, rcu); } - rcu_assign_pointer(pmc->sflist, newpsl); + RCU_INIT_POINTER(pmc->sflist, newpsl); psl = newpsl; } rv = 1; /* > 0 for insert logic below if sl_count is 0 */ @@ -2103,7 +2103,7 @@ int ip_mc_msfilter(struct sock *sk, struct ip_msfilter *msf, int ifindex) } else (void) ip_mc_del_src(in_dev, &msf->imsf_multiaddr, pmc->sfmode, 0, NULL, 0); - rcu_assign_pointer(pmc->sflist, newpsl); + RCU_INIT_POINTER(pmc->sflist, newpsl); pmc->sfmode = msf->imsf_fmode; err = 0; done: diff --git a/net/ipv4/inet_diag.c b/net/ipv4/inet_diag.c index 389a2e6a17fd..f5e2bdaef949 100644 --- a/net/ipv4/inet_diag.c +++ b/net/ipv4/inet_diag.c @@ -108,6 +108,9 @@ static int inet_csk_diag_fill(struct sock *sk, icsk->icsk_ca_ops->name); } + if ((ext & (1 << (INET_DIAG_TOS - 1))) && (sk->sk_family != AF_INET6)) + RTA_PUT_U8(skb, INET_DIAG_TOS, inet->tos); + r->idiag_family = sk->sk_family; r->idiag_state = sk->sk_state; r->idiag_timer = 0; @@ -130,6 +133,8 @@ static int inet_csk_diag_fill(struct sock *sk, &np->rcv_saddr); ipv6_addr_copy((struct in6_addr *)r->id.idiag_dst, &np->daddr); + if (ext & (1 << (INET_DIAG_TOS - 1))) + RTA_PUT_U8(skb, INET_DIAG_TOS, np->tclass); } #endif diff --git a/net/ipv4/inet_lro.c b/net/ipv4/inet_lro.c index ef7ae6049a51..cc280a3f4f96 100644 --- a/net/ipv4/inet_lro.c +++ b/net/ipv4/inet_lro.c @@ -244,11 +244,11 @@ static void lro_add_frags(struct net_lro_desc *lro_desc, skb->truesize += truesize; skb_frags[0].page_offset += hlen; - skb_frags[0].size -= hlen; + skb_frag_size_sub(&skb_frags[0], hlen); while (tcp_data_len > 0) { *(lro_desc->next_frag) = *skb_frags; - tcp_data_len -= skb_frags->size; + tcp_data_len -= skb_frag_size(skb_frags); lro_desc->next_frag++; skb_frags++; skb_shinfo(skb)->nr_frags++; @@ -400,14 +400,14 @@ static struct sk_buff *lro_gen_skb(struct net_lro_mgr *lro_mgr, skb_frags = skb_shinfo(skb)->frags; while (data_len > 0) { *skb_frags = *frags; - data_len -= frags->size; + data_len -= skb_frag_size(frags); skb_frags++; frags++; skb_shinfo(skb)->nr_frags++; } skb_shinfo(skb)->frags[0].page_offset += hdr_len; - skb_shinfo(skb)->frags[0].size -= hdr_len; + skb_frag_size_sub(&skb_shinfo(skb)->frags[0], hdr_len); skb->ip_summed = ip_summed; skb->csum = sum; @@ -433,7 +433,7 @@ static struct sk_buff *__lro_proc_segment(struct net_lro_mgr *lro_mgr, if (!lro_mgr->get_frag_header || lro_mgr->get_frag_header(frags, (void *)&mac_hdr, (void *)&iph, (void *)&tcph, &flags, priv)) { - mac_hdr = page_address(frags->page) + frags->page_offset; + mac_hdr = skb_frag_address(frags); goto out1; } diff --git a/net/ipv4/inet_timewait_sock.c b/net/ipv4/inet_timewait_sock.c index 3c8dfa16614d..44d65d546e30 100644 --- a/net/ipv4/inet_timewait_sock.c +++ b/net/ipv4/inet_timewait_sock.c @@ -183,6 +183,7 @@ struct inet_timewait_sock *inet_twsk_alloc(const struct sock *sk, const int stat tw->tw_daddr = inet->inet_daddr; tw->tw_rcv_saddr = inet->inet_rcv_saddr; tw->tw_bound_dev_if = sk->sk_bound_dev_if; + tw->tw_tos = inet->tos; tw->tw_num = inet->inet_num; tw->tw_state = TCP_TIME_WAIT; tw->tw_substate = state; diff --git a/net/ipv4/ip_fragment.c b/net/ipv4/ip_fragment.c index 0e0ab98abc6f..fdaabf2f2b68 100644 --- a/net/ipv4/ip_fragment.c +++ b/net/ipv4/ip_fragment.c @@ -599,8 +599,8 @@ static int ip_frag_reasm(struct ipq *qp, struct sk_buff *prev, head->next = clone; skb_shinfo(clone)->frag_list = skb_shinfo(head)->frag_list; skb_frag_list_init(head); - for (i=0; i<skb_shinfo(head)->nr_frags; i++) - plen += skb_shinfo(head)->frags[i].size; + for (i = 0; i < skb_shinfo(head)->nr_frags; i++) + plen += skb_frag_size(&skb_shinfo(head)->frags[i]); clone->len = clone->data_len = head->data_len - plen; head->data_len -= clone->len; head->len -= clone->len; @@ -682,6 +682,42 @@ int ip_defrag(struct sk_buff *skb, u32 user) } EXPORT_SYMBOL(ip_defrag); +struct sk_buff *ip_check_defrag(struct sk_buff *skb, u32 user) +{ + const struct iphdr *iph; + u32 len; + + if (skb->protocol != htons(ETH_P_IP)) + return skb; + + if (!pskb_may_pull(skb, sizeof(struct iphdr))) + return skb; + + iph = ip_hdr(skb); + if (iph->ihl < 5 || iph->version != 4) + return skb; + if (!pskb_may_pull(skb, iph->ihl*4)) + return skb; + iph = ip_hdr(skb); + len = ntohs(iph->tot_len); + if (skb->len < len || len < (iph->ihl * 4)) + return skb; + + if (ip_is_fragment(ip_hdr(skb))) { + skb = skb_share_check(skb, GFP_ATOMIC); + if (skb) { + if (pskb_trim_rcsum(skb, len)) + return skb; + memset(IPCB(skb), 0, sizeof(struct inet_skb_parm)); + if (ip_defrag(skb, user)) + return NULL; + skb->rxhash = 0; + } + } + return skb; +} +EXPORT_SYMBOL(ip_check_defrag); + #ifdef CONFIG_SYSCTL static int zero; diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c index 8c6563361ab5..0bc95f3977d2 100644 --- a/net/ipv4/ip_output.c +++ b/net/ipv4/ip_output.c @@ -989,13 +989,13 @@ alloc_new_skb: if (page && (left = PAGE_SIZE - off) > 0) { if (copy >= left) copy = left; - if (page != frag->page) { + if (page != skb_frag_page(frag)) { if (i == MAX_SKB_FRAGS) { err = -EMSGSIZE; goto error; } - get_page(page); skb_fill_page_desc(skb, i, page, off, 0); + skb_frag_ref(skb, i); frag = &skb_shinfo(skb)->frags[i]; } } else if (i < MAX_SKB_FRAGS) { @@ -1015,12 +1015,13 @@ alloc_new_skb: err = -EMSGSIZE; goto error; } - if (getfrag(from, page_address(frag->page)+frag->page_offset+frag->size, offset, copy, skb->len, skb) < 0) { + if (getfrag(from, skb_frag_address(frag)+skb_frag_size(frag), + offset, copy, skb->len, skb) < 0) { err = -EFAULT; goto error; } cork->off += copy; - frag->size += copy; + skb_frag_size_add(frag, copy); skb->len += copy; skb->data_len += copy; skb->truesize += copy; @@ -1229,7 +1230,7 @@ ssize_t ip_append_page(struct sock *sk, struct flowi4 *fl4, struct page *page, if (len > size) len = size; if (skb_can_coalesce(skb, i, page, offset)) { - skb_shinfo(skb)->frags[i-1].size += len; + skb_frag_size_add(&skb_shinfo(skb)->frags[i-1], len); } else if (i < MAX_SKB_FRAGS) { get_page(page); skb_fill_page_desc(skb, i, page, offset, len); @@ -1465,7 +1466,7 @@ static int ip_reply_glue_bits(void *dptr, char *to, int offset, * structure to pass arguments. */ void ip_send_reply(struct sock *sk, struct sk_buff *skb, __be32 daddr, - struct ip_reply_arg *arg, unsigned int len) + const struct ip_reply_arg *arg, unsigned int len) { struct inet_sock *inet = inet_sk(sk); struct ip_options_data replyopts; @@ -1488,7 +1489,7 @@ void ip_send_reply(struct sock *sk, struct sk_buff *skb, __be32 daddr, } flowi4_init_output(&fl4, arg->bound_dev_if, 0, - RT_TOS(ip_hdr(skb)->tos), + RT_TOS(arg->tos), RT_SCOPE_UNIVERSE, sk->sk_protocol, ip_reply_arg_flowi_flags(arg), daddr, rt->rt_spec_dst, @@ -1505,7 +1506,7 @@ void ip_send_reply(struct sock *sk, struct sk_buff *skb, __be32 daddr, with locally disabled BH and that sk cannot be already spinlocked. */ bh_lock_sock(sk); - inet->tos = ip_hdr(skb)->tos; + inet->tos = arg->tos; sk->sk_priority = skb->priority; sk->sk_protocol = ip_hdr(skb)->protocol; sk->sk_bound_dev_if = arg->bound_dev_if; diff --git a/net/ipv4/ip_sockglue.c b/net/ipv4/ip_sockglue.c index 8905e92f896a..09ff51bf16a4 100644 --- a/net/ipv4/ip_sockglue.c +++ b/net/ipv4/ip_sockglue.c @@ -33,6 +33,7 @@ #include <linux/netfilter.h> #include <linux/route.h> #include <linux/mroute.h> +#include <net/inet_ecn.h> #include <net/route.h> #include <net/xfrm.h> #include <net/compat.h> @@ -578,8 +579,8 @@ static int do_ip_setsockopt(struct sock *sk, int level, break; case IP_TOS: /* This sets both TOS and Precedence */ if (sk->sk_type == SOCK_STREAM) { - val &= ~3; - val |= inet->tos & 3; + val &= ~INET_ECN_MASK; + val |= inet->tos & INET_ECN_MASK; } if (inet->tos != val) { inet->tos = val; @@ -961,7 +962,7 @@ mc_msf_out: break; case IP_TRANSPARENT: - if (!capable(CAP_NET_ADMIN)) { + if (!!val && !capable(CAP_NET_RAW) && !capable(CAP_NET_ADMIN)) { err = -EPERM; break; } diff --git a/net/ipv4/ipip.c b/net/ipv4/ipip.c index 378b20b7ca6e..065effd8349a 100644 --- a/net/ipv4/ipip.c +++ b/net/ipv4/ipip.c @@ -231,7 +231,7 @@ static void ipip_tunnel_unlink(struct ipip_net *ipn, struct ip_tunnel *t) (iter = rtnl_dereference(*tp)) != NULL; tp = &iter->next) { if (t == iter) { - rcu_assign_pointer(*tp, t->next); + RCU_INIT_POINTER(*tp, t->next); break; } } @@ -241,8 +241,8 @@ static void ipip_tunnel_link(struct ipip_net *ipn, struct ip_tunnel *t) { struct ip_tunnel __rcu **tp = ipip_bucket(ipn, t); - rcu_assign_pointer(t->next, rtnl_dereference(*tp)); - rcu_assign_pointer(*tp, t); + RCU_INIT_POINTER(t->next, rtnl_dereference(*tp)); + RCU_INIT_POINTER(*tp, t); } static struct ip_tunnel * ipip_tunnel_locate(struct net *net, @@ -301,7 +301,7 @@ static void ipip_tunnel_uninit(struct net_device *dev) struct ipip_net *ipn = net_generic(net, ipip_net_id); if (dev == ipn->fb_tunnel_dev) - rcu_assign_pointer(ipn->tunnels_wc[0], NULL); + RCU_INIT_POINTER(ipn->tunnels_wc[0], NULL); else ipip_tunnel_unlink(ipn, netdev_priv(dev)); dev_put(dev); @@ -791,7 +791,7 @@ static int __net_init ipip_fb_tunnel_init(struct net_device *dev) return -ENOMEM; dev_hold(dev); - rcu_assign_pointer(ipn->tunnels_wc[0], tunnel); + RCU_INIT_POINTER(ipn->tunnels_wc[0], tunnel); return 0; } diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c index 58e879157976..6164e982e0ef 100644 --- a/net/ipv4/ipmr.c +++ b/net/ipv4/ipmr.c @@ -1176,7 +1176,7 @@ static void mrtsock_destruct(struct sock *sk) ipmr_for_each_table(mrt, net) { if (sk == rtnl_dereference(mrt->mroute_sk)) { IPV4_DEVCONF_ALL(net, MC_FORWARDING)--; - rcu_assign_pointer(mrt->mroute_sk, NULL); + RCU_INIT_POINTER(mrt->mroute_sk, NULL); mroute_clean_tables(mrt); } } @@ -1203,7 +1203,7 @@ int ip_mroute_setsockopt(struct sock *sk, int optname, char __user *optval, unsi return -ENOENT; if (optname != MRT_INIT) { - if (sk != rcu_dereference_raw(mrt->mroute_sk) && + if (sk != rcu_access_pointer(mrt->mroute_sk) && !capable(CAP_NET_ADMIN)) return -EACCES; } @@ -1224,13 +1224,13 @@ int ip_mroute_setsockopt(struct sock *sk, int optname, char __user *optval, unsi ret = ip_ra_control(sk, 1, mrtsock_destruct); if (ret == 0) { - rcu_assign_pointer(mrt->mroute_sk, sk); + RCU_INIT_POINTER(mrt->mroute_sk, sk); IPV4_DEVCONF_ALL(net, MC_FORWARDING)++; } rtnl_unlock(); return ret; case MRT_DONE: - if (sk != rcu_dereference_raw(mrt->mroute_sk)) + if (sk != rcu_access_pointer(mrt->mroute_sk)) return -EACCES; return ip_ra_control(sk, 0, NULL); case MRT_ADD_VIF: diff --git a/net/ipv4/netfilter/nf_nat_amanda.c b/net/ipv4/netfilter/nf_nat_amanda.c index 703f366fd235..7b22382ff0e9 100644 --- a/net/ipv4/netfilter/nf_nat_amanda.c +++ b/net/ipv4/netfilter/nf_nat_amanda.c @@ -70,14 +70,14 @@ static unsigned int help(struct sk_buff *skb, static void __exit nf_nat_amanda_fini(void) { - rcu_assign_pointer(nf_nat_amanda_hook, NULL); + RCU_INIT_POINTER(nf_nat_amanda_hook, NULL); synchronize_rcu(); } static int __init nf_nat_amanda_init(void) { BUG_ON(nf_nat_amanda_hook != NULL); - rcu_assign_pointer(nf_nat_amanda_hook, help); + RCU_INIT_POINTER(nf_nat_amanda_hook, help); return 0; } diff --git a/net/ipv4/netfilter/nf_nat_core.c b/net/ipv4/netfilter/nf_nat_core.c index 3346de5d94d0..447bc5cfdc6c 100644 --- a/net/ipv4/netfilter/nf_nat_core.c +++ b/net/ipv4/netfilter/nf_nat_core.c @@ -514,7 +514,7 @@ int nf_nat_protocol_register(const struct nf_nat_protocol *proto) ret = -EBUSY; goto out; } - rcu_assign_pointer(nf_nat_protos[proto->protonum], proto); + RCU_INIT_POINTER(nf_nat_protos[proto->protonum], proto); out: spin_unlock_bh(&nf_nat_lock); return ret; @@ -525,7 +525,7 @@ EXPORT_SYMBOL(nf_nat_protocol_register); void nf_nat_protocol_unregister(const struct nf_nat_protocol *proto) { spin_lock_bh(&nf_nat_lock); - rcu_assign_pointer(nf_nat_protos[proto->protonum], + RCU_INIT_POINTER(nf_nat_protos[proto->protonum], &nf_nat_unknown_protocol); spin_unlock_bh(&nf_nat_lock); synchronize_rcu(); @@ -736,10 +736,10 @@ static int __init nf_nat_init(void) /* Sew in builtin protocols. */ spin_lock_bh(&nf_nat_lock); for (i = 0; i < MAX_IP_NAT_PROTO; i++) - rcu_assign_pointer(nf_nat_protos[i], &nf_nat_unknown_protocol); - rcu_assign_pointer(nf_nat_protos[IPPROTO_TCP], &nf_nat_protocol_tcp); - rcu_assign_pointer(nf_nat_protos[IPPROTO_UDP], &nf_nat_protocol_udp); - rcu_assign_pointer(nf_nat_protos[IPPROTO_ICMP], &nf_nat_protocol_icmp); + RCU_INIT_POINTER(nf_nat_protos[i], &nf_nat_unknown_protocol); + RCU_INIT_POINTER(nf_nat_protos[IPPROTO_TCP], &nf_nat_protocol_tcp); + RCU_INIT_POINTER(nf_nat_protos[IPPROTO_UDP], &nf_nat_protocol_udp); + RCU_INIT_POINTER(nf_nat_protos[IPPROTO_ICMP], &nf_nat_protocol_icmp); spin_unlock_bh(&nf_nat_lock); /* Initialize fake conntrack so that NAT will skip it */ @@ -748,12 +748,12 @@ static int __init nf_nat_init(void) l3proto = nf_ct_l3proto_find_get((u_int16_t)AF_INET); BUG_ON(nf_nat_seq_adjust_hook != NULL); - rcu_assign_pointer(nf_nat_seq_adjust_hook, nf_nat_seq_adjust); + RCU_INIT_POINTER(nf_nat_seq_adjust_hook, nf_nat_seq_adjust); BUG_ON(nfnetlink_parse_nat_setup_hook != NULL); - rcu_assign_pointer(nfnetlink_parse_nat_setup_hook, + RCU_INIT_POINTER(nfnetlink_parse_nat_setup_hook, nfnetlink_parse_nat_setup); BUG_ON(nf_ct_nat_offset != NULL); - rcu_assign_pointer(nf_ct_nat_offset, nf_nat_get_offset); + RCU_INIT_POINTER(nf_ct_nat_offset, nf_nat_get_offset); return 0; cleanup_extend: @@ -766,9 +766,9 @@ static void __exit nf_nat_cleanup(void) unregister_pernet_subsys(&nf_nat_net_ops); nf_ct_l3proto_put(l3proto); nf_ct_extend_unregister(&nat_extend); - rcu_assign_pointer(nf_nat_seq_adjust_hook, NULL); - rcu_assign_pointer(nfnetlink_parse_nat_setup_hook, NULL); - rcu_assign_pointer(nf_ct_nat_offset, NULL); + RCU_INIT_POINTER(nf_nat_seq_adjust_hook, NULL); + RCU_INIT_POINTER(nfnetlink_parse_nat_setup_hook, NULL); + RCU_INIT_POINTER(nf_ct_nat_offset, NULL); synchronize_net(); } diff --git a/net/ipv4/netfilter/nf_nat_ftp.c b/net/ipv4/netfilter/nf_nat_ftp.c index dc73abb3fe27..e462a957d080 100644 --- a/net/ipv4/netfilter/nf_nat_ftp.c +++ b/net/ipv4/netfilter/nf_nat_ftp.c @@ -113,14 +113,14 @@ out: static void __exit nf_nat_ftp_fini(void) { - rcu_assign_pointer(nf_nat_ftp_hook, NULL); + RCU_INIT_POINTER(nf_nat_ftp_hook, NULL); synchronize_rcu(); } static int __init nf_nat_ftp_init(void) { BUG_ON(nf_nat_ftp_hook != NULL); - rcu_assign_pointer(nf_nat_ftp_hook, nf_nat_ftp); + RCU_INIT_POINTER(nf_nat_ftp_hook, nf_nat_ftp); return 0; } diff --git a/net/ipv4/netfilter/nf_nat_h323.c b/net/ipv4/netfilter/nf_nat_h323.c index 790f3160e012..b9a1136addbd 100644 --- a/net/ipv4/netfilter/nf_nat_h323.c +++ b/net/ipv4/netfilter/nf_nat_h323.c @@ -581,30 +581,30 @@ static int __init init(void) BUG_ON(nat_callforwarding_hook != NULL); BUG_ON(nat_q931_hook != NULL); - rcu_assign_pointer(set_h245_addr_hook, set_h245_addr); - rcu_assign_pointer(set_h225_addr_hook, set_h225_addr); - rcu_assign_pointer(set_sig_addr_hook, set_sig_addr); - rcu_assign_pointer(set_ras_addr_hook, set_ras_addr); - rcu_assign_pointer(nat_rtp_rtcp_hook, nat_rtp_rtcp); - rcu_assign_pointer(nat_t120_hook, nat_t120); - rcu_assign_pointer(nat_h245_hook, nat_h245); - rcu_assign_pointer(nat_callforwarding_hook, nat_callforwarding); - rcu_assign_pointer(nat_q931_hook, nat_q931); + RCU_INIT_POINTER(set_h245_addr_hook, set_h245_addr); + RCU_INIT_POINTER(set_h225_addr_hook, set_h225_addr); + RCU_INIT_POINTER(set_sig_addr_hook, set_sig_addr); + RCU_INIT_POINTER(set_ras_addr_hook, set_ras_addr); + RCU_INIT_POINTER(nat_rtp_rtcp_hook, nat_rtp_rtcp); + RCU_INIT_POINTER(nat_t120_hook, nat_t120); + RCU_INIT_POINTER(nat_h245_hook, nat_h245); + RCU_INIT_POINTER(nat_callforwarding_hook, nat_callforwarding); + RCU_INIT_POINTER(nat_q931_hook, nat_q931); return 0; } /****************************************************************************/ static void __exit fini(void) { - rcu_assign_pointer(set_h245_addr_hook, NULL); - rcu_assign_pointer(set_h225_addr_hook, NULL); - rcu_assign_pointer(set_sig_addr_hook, NULL); - rcu_assign_pointer(set_ras_addr_hook, NULL); - rcu_assign_pointer(nat_rtp_rtcp_hook, NULL); - rcu_assign_pointer(nat_t120_hook, NULL); - rcu_assign_pointer(nat_h245_hook, NULL); - rcu_assign_pointer(nat_callforwarding_hook, NULL); - rcu_assign_pointer(nat_q931_hook, NULL); + RCU_INIT_POINTER(set_h245_addr_hook, NULL); + RCU_INIT_POINTER(set_h225_addr_hook, NULL); + RCU_INIT_POINTER(set_sig_addr_hook, NULL); + RCU_INIT_POINTER(set_ras_addr_hook, NULL); + RCU_INIT_POINTER(nat_rtp_rtcp_hook, NULL); + RCU_INIT_POINTER(nat_t120_hook, NULL); + RCU_INIT_POINTER(nat_h245_hook, NULL); + RCU_INIT_POINTER(nat_callforwarding_hook, NULL); + RCU_INIT_POINTER(nat_q931_hook, NULL); synchronize_rcu(); } d |