diff options
Diffstat (limited to 'net')
-rw-r--r-- | net/6lowpan/Kconfig | 2 | ||||
-rw-r--r-- | net/8021q/vlan_core.c | 53 | ||||
-rw-r--r-- | net/batman-adv/multicast.c | 1 | ||||
-rw-r--r-- | net/bridge/br_vlan.c | 2 | ||||
-rw-r--r-- | net/bridge/netfilter/ebtables.c | 10 | ||||
-rw-r--r-- | net/core/dev.c | 2 | ||||
-rw-r--r-- | net/core/rtnetlink.c | 3 | ||||
-rw-r--r-- | net/core/skbuff.c | 53 | ||||
-rw-r--r-- | net/ipv4/route.c | 2 | ||||
-rw-r--r-- | net/netfilter/core.c | 11 | ||||
-rw-r--r-- | net/netfilter/ipvs/ip_vs_ctl.c | 19 | ||||
-rw-r--r-- | net/netfilter/nf_sockopt.c | 8 | ||||
-rw-r--r-- | net/netfilter/nf_tables_api.c | 30 | ||||
-rw-r--r-- | net/netfilter/x_tables.c | 47 | ||||
-rw-r--r-- | net/netlink/af_netlink.c | 2 | ||||
-rw-r--r-- | net/openvswitch/datapath.c | 2 |
16 files changed, 98 insertions, 149 deletions
diff --git a/net/6lowpan/Kconfig b/net/6lowpan/Kconfig index 028a5c6..e4a02ef 100644 --- a/net/6lowpan/Kconfig +++ b/net/6lowpan/Kconfig @@ -1,5 +1,5 @@ config 6LOWPAN - bool "6LoWPAN Support" + tristate "6LoWPAN Support" depends on IPV6 ---help--- This enables IPv6 over Low power Wireless Personal Area Network - diff --git a/net/8021q/vlan_core.c b/net/8021q/vlan_core.c index 75d4277..90cc2bd 100644 --- a/net/8021q/vlan_core.c +++ b/net/8021q/vlan_core.c @@ -112,59 +112,6 @@ __be16 vlan_dev_vlan_proto(const struct net_device *dev) } EXPORT_SYMBOL(vlan_dev_vlan_proto); -static struct sk_buff *vlan_reorder_header(struct sk_buff *skb) -{ - if (skb_cow(skb, skb_headroom(skb)) < 0) { - kfree_skb(skb); - return NULL; - } - - memmove(skb->data - ETH_HLEN, skb->data - VLAN_ETH_HLEN, 2 * ETH_ALEN); - skb->mac_header += VLAN_HLEN; - return skb; -} - -struct sk_buff *vlan_untag(struct sk_buff *skb) -{ - struct vlan_hdr *vhdr; - u16 vlan_tci; - - if (unlikely(vlan_tx_tag_present(skb))) { - /* vlan_tci is already set-up so leave this for another time */ - return skb; - } - - skb = skb_share_check(skb, GFP_ATOMIC); - if (unlikely(!skb)) - goto err_free; - - if (unlikely(!pskb_may_pull(skb, VLAN_HLEN))) - goto err_free; - - vhdr = (struct vlan_hdr *) skb->data; - vlan_tci = ntohs(vhdr->h_vlan_TCI); - __vlan_hwaccel_put_tag(skb, skb->protocol, vlan_tci); - - skb_pull_rcsum(skb, VLAN_HLEN); - vlan_set_encap_proto(skb, vhdr); - - skb = vlan_reorder_header(skb); - if (unlikely(!skb)) - goto err_free; - - skb_reset_network_header(skb); - skb_reset_transport_header(skb); - skb_reset_mac_len(skb); - - return skb; - -err_free: - kfree_skb(skb); - return NULL; -} -EXPORT_SYMBOL(vlan_untag); - - /* * vlan info and vid list */ diff --git a/net/batman-adv/multicast.c b/net/batman-adv/multicast.c index 96b66fd..ab6bb2a 100644 --- a/net/batman-adv/multicast.c +++ b/net/batman-adv/multicast.c @@ -20,7 +20,6 @@ #include "originator.h" #include "hard-interface.h" #include "translation-table.h" -#include "multicast.h" /** * batadv_mcast_mla_softif_get - get softif multicast listeners diff --git a/net/bridge/br_vlan.c b/net/bridge/br_vlan.c index febb0f8..e1bcd65 100644 --- a/net/bridge/br_vlan.c +++ b/net/bridge/br_vlan.c @@ -181,7 +181,7 @@ bool br_allowed_ingress(struct net_bridge *br, struct net_port_vlans *v, */ if (unlikely(!vlan_tx_tag_present(skb) && skb->protocol == proto)) { - skb = vlan_untag(skb); + skb = skb_vlan_untag(skb); if (unlikely(!skb)) return false; } diff --git a/net/bridge/netfilter/ebtables.c b/net/bridge/netfilter/ebtables.c index 1059ed3..6d69631 100644 --- a/net/bridge/netfilter/ebtables.c +++ b/net/bridge/netfilter/ebtables.c @@ -327,10 +327,7 @@ find_inlist_lock_noload(struct list_head *head, const char *name, int *error, char name[EBT_FUNCTION_MAXNAMELEN]; } *e; - *error = mutex_lock_interruptible(mutex); - if (*error != 0) - return NULL; - + mutex_lock(mutex); list_for_each_entry(e, head, list) { if (strcmp(e->name, name) == 0) return e; @@ -1203,10 +1200,7 @@ ebt_register_table(struct net *net, const struct ebt_table *input_table) table->private = newinfo; rwlock_init(&table->lock); - ret = mutex_lock_interruptible(&ebt_mutex); - if (ret != 0) - goto free_chainstack; - + mutex_lock(&ebt_mutex); list_for_each_entry(t, &net->xt.tables[NFPROTO_BRIDGE], list) { if (strcmp(t->name, table->name) == 0) { ret = -EEXIST; diff --git a/net/core/dev.c b/net/core/dev.c index 1c15b18..b65a505 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -3602,7 +3602,7 @@ another_round: if (skb->protocol == cpu_to_be16(ETH_P_8021Q) || skb->protocol == cpu_to_be16(ETH_P_8021AD)) { - skb = vlan_untag(skb); + skb = skb_vlan_untag(skb); if (unlikely(!skb)) goto unlock; } diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c index 8d39071..f0493e3 100644 --- a/net/core/rtnetlink.c +++ b/net/core/rtnetlink.c @@ -804,7 +804,8 @@ static inline int rtnl_vfinfo_size(const struct net_device *dev, (nla_total_size(sizeof(struct ifla_vf_mac)) + nla_total_size(sizeof(struct ifla_vf_vlan)) + nla_total_size(sizeof(struct ifla_vf_spoofchk)) + - nla_total_size(sizeof(struct ifla_vf_rate))); + nla_total_size(sizeof(struct ifla_vf_rate)) + + nla_total_size(sizeof(struct ifla_vf_link_state))); return size; } else return 0; diff --git a/net/core/skbuff.c b/net/core/skbuff.c index 224506a6..163b673 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -62,6 +62,7 @@ #include <linux/scatterlist.h> #include <linux/errqueue.h> #include <linux/prefetch.h> +#include <linux/if_vlan.h> #include <net/protocol.h> #include <net/dst.h> @@ -3973,3 +3974,55 @@ unsigned int skb_gso_transport_seglen(const struct sk_buff *skb) return shinfo->gso_size; } EXPORT_SYMBOL_GPL(skb_gso_transport_seglen); + +static struct sk_buff *skb_reorder_vlan_header(struct sk_buff *skb) +{ + if (skb_cow(skb, skb_headroom(skb)) < 0) { + kfree_skb(skb); + return NULL; + } + + memmove(skb->data - ETH_HLEN, skb->data - VLAN_ETH_HLEN, 2 * ETH_ALEN); + skb->mac_header += VLAN_HLEN; + return skb; +} + +struct sk_buff *skb_vlan_untag(struct sk_buff *skb) +{ + struct vlan_hdr *vhdr; + u16 vlan_tci; + + if (unlikely(vlan_tx_tag_present(skb))) { + /* vlan_tci is already set-up so leave this for another time */ + return skb; + } + + skb = skb_share_check(skb, GFP_ATOMIC); + if (unlikely(!skb)) + goto err_free; + + if (unlikely(!pskb_may_pull(skb, VLAN_HLEN))) + goto err_free; + + vhdr = (struct vlan_hdr *)skb->data; + vlan_tci = ntohs(vhdr->h_vlan_TCI); + __vlan_hwaccel_put_tag(skb, skb->protocol, vlan_tci); + + skb_pull_rcsum(skb, VLAN_HLEN); + vlan_set_encap_proto(skb, vhdr); + + skb = skb_reorder_vlan_header(skb); + if (unlikely(!skb)) + goto err_free; + + skb_reset_network_header(skb); + skb_reset_transport_header(skb); + skb_reset_mac_len(skb); + + return skb; + +err_free: + kfree_skb(skb); + return NULL; +} +EXPORT_SYMBOL(skb_vlan_untag); diff --git a/net/ipv4/route.c b/net/ipv4/route.c index 1901998..eaa4b00 100644 --- a/net/ipv4/route.c +++ b/net/ipv4/route.c @@ -1798,8 +1798,6 @@ local_input: no_route: RT_CACHE_STAT_INC(in_no_route); res.type = RTN_UNREACHABLE; - if (err == -ESRCH) - err = -ENETUNREACH; goto local_input; /* diff --git a/net/netfilter/core.c b/net/netfilter/core.c index 1fbab0c..a93c97f 100644 --- a/net/netfilter/core.c +++ b/net/netfilter/core.c @@ -35,11 +35,7 @@ EXPORT_SYMBOL_GPL(nf_ipv6_ops); int nf_register_afinfo(const struct nf_afinfo *afinfo) { - int err; - - err = mutex_lock_interruptible(&afinfo_mutex); - if (err < 0) - return err; + mutex_lock(&afinfo_mutex); RCU_INIT_POINTER(nf_afinfo[afinfo->family], afinfo); mutex_unlock(&afinfo_mutex); return 0; @@ -68,11 +64,8 @@ static DEFINE_MUTEX(nf_hook_mutex); int nf_register_hook(struct nf_hook_ops *reg) { struct nf_hook_ops *elem; - int err; - err = mutex_lock_interruptible(&nf_hook_mutex); - if (err < 0) - return err; + mutex_lock(&nf_hook_mutex); list_for_each_entry(elem, &nf_hooks[reg->pf][reg->hooknum], list) { if (reg->priority < elem->priority) break; diff --git a/net/netfilter/ipvs/ip_vs_ctl.c b/net/netfilter/ipvs/ip_vs_ctl.c index 8416307..fd3f444 100644 --- a/net/netfilter/ipvs/ip_vs_ctl.c +++ b/net/netfilter/ipvs/ip_vs_ctl.c @@ -2271,10 +2271,7 @@ do_ip_vs_set_ctl(struct sock *sk, int cmd, void __user *user, unsigned int len) cmd == IP_VS_SO_SET_STOPDAEMON) { struct ip_vs_daemon_user *dm = (struct ip_vs_daemon_user *)arg; - if (mutex_lock_interruptible(&ipvs->sync_mutex)) { - ret = -ERESTARTSYS; - goto out_dec; - } + mutex_lock(&ipvs->sync_mutex); if (cmd == IP_VS_SO_SET_STARTDAEMON) ret = start_sync_thread(net, dm->state, dm->mcast_ifn, dm->syncid); @@ -2284,11 +2281,7 @@ do_ip_vs_set_ctl(struct sock *sk, int cmd, void __user *user, unsigned int len) goto out_dec; } - if (mutex_lock_interruptible(&__ip_vs_mutex)) { - ret = -ERESTARTSYS; - goto out_dec; - } - + mutex_lock(&__ip_vs_mutex); if (cmd == IP_VS_SO_SET_FLUSH) { /* Flush the virtual service */ ret = ip_vs_flush(net, false); @@ -2573,9 +2566,7 @@ do_ip_vs_get_ctl(struct sock *sk, int cmd, void __user *user, int *len) struct ip_vs_daemon_user d[2]; memset(&d, 0, sizeof(d)); - if (mutex_lock_interruptible(&ipvs->sync_mutex)) - return -ERESTARTSYS; - + mutex_lock(&ipvs->sync_mutex); if (ipvs->sync_state & IP_VS_STATE_MASTER) { d[0].state = IP_VS_STATE_MASTER; strlcpy(d[0].mcast_ifn, ipvs->master_mcast_ifn, @@ -2594,9 +2585,7 @@ do_ip_vs_get_ctl(struct sock *sk, int cmd, void __user *user, int *len) return ret; } - if (mutex_lock_interruptible(&__ip_vs_mutex)) - return -ERESTARTSYS; - + mutex_lock(&__ip_vs_mutex); switch (cmd) { case IP_VS_SO_GET_VERSION: { diff --git a/net/netfilter/nf_sockopt.c b/net/netfilter/nf_sockopt.c index f042ae5..c68c1e5 100644 --- a/net/netfilter/nf_sockopt.c +++ b/net/netfilter/nf_sockopt.c @@ -26,9 +26,7 @@ int nf_register_sockopt(struct nf_sockopt_ops *reg) struct nf_sockopt_ops *ops; int ret = 0; - if (mutex_lock_interruptible(&nf_sockopt_mutex) != 0) - return -EINTR; - + mutex_lock(&nf_sockopt_mutex); list_for_each_entry(ops, &nf_sockopts, list) { if (ops->pf == reg->pf && (overlap(ops->set_optmin, ops->set_optmax, @@ -65,9 +63,7 @@ static struct nf_sockopt_ops *nf_sockopt_find(struct sock *sk, u_int8_t pf, { struct nf_sockopt_ops *ops; - if (mutex_lock_interruptible(&nf_sockopt_mutex) != 0) - return ERR_PTR(-EINTR); - + mutex_lock(&nf_sockopt_mutex); list_for_each_entry(ops, &nf_sockopts, list) { if (ops->pf == pf) { if (!try_module_get(ops->owner)) diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c index b8035c2..deeb95f 100644 --- a/net/netfilter/nf_tables_api.c +++ b/net/netfilter/nf_tables_api.c @@ -899,6 +899,9 @@ static struct nft_stats __percpu *nft_stats_alloc(const struct nlattr *attr) static void nft_chain_stats_replace(struct nft_base_chain *chain, struct nft_stats __percpu *newstats) { + if (newstats == NULL) + return; + if (chain->stats) { struct nft_stats __percpu *oldstats = nft_dereference(chain->stats); @@ -3134,16 +3137,13 @@ static int nft_del_setelem(struct nft_ctx *ctx, struct nft_set *set, goto err2; trans = nft_trans_elem_alloc(ctx, NFT_MSG_DELSETELEM, set); - if (trans == NULL) + if (trans == NULL) { + err = -ENOMEM; goto err2; + } nft_trans_elem(trans) = elem; list_add_tail(&trans->list, &ctx->net->nft.commit_list); - - nft_data_uninit(&elem.key, NFT_DATA_VALUE); - if (set->flags & NFT_SET_MAP) - nft_data_uninit(&elem.data, set->dtype); - return 0; err2: nft_data_uninit(&elem.key, desc.type); @@ -3310,7 +3310,7 @@ static int nf_tables_commit(struct sk_buff *skb) { struct net *net = sock_net(skb->sk); struct nft_trans *trans, *next; - struct nft_set *set; + struct nft_trans_elem *te; /* Bump generation counter, invalidate any dump in progress */ while (++net->nft.base_seq == 0); @@ -3396,13 +3396,17 @@ static int nf_tables_commit(struct sk_buff *skb) nft_trans_destroy(trans); break; case NFT_MSG_DELSETELEM: - nf_tables_setelem_notify(&trans->ctx, - nft_trans_elem_set(trans), - &nft_trans_elem(trans), + te = (struct nft_trans_elem *)trans->data; + nf_tables_setelem_notify(&trans->ctx, te->set, + &te->elem, NFT_MSG_DELSETELEM, 0); - set = nft_trans_elem_set(trans); - set->ops->get(set, &nft_trans_elem(trans)); - set->ops->remove(set, &nft_trans_elem(trans)); + te->set->ops->get(te->set, &te->elem); + te->set->ops->remove(te->set, &te->elem); + nft_data_uninit(&te->elem.key, NFT_DATA_VALUE); + if (te->elem.flags & NFT_SET_MAP) { + nft_data_uninit(&te->elem.data, + te->set->dtype); + } nft_trans_destroy(trans); break; } diff --git a/net/netfilter/x_tables.c b/net/netfilter/x_tables.c index 47b978b..272ae4d 100644 --- a/net/netfilter/x_tables.c +++ b/net/netfilter/x_tables.c @@ -71,18 +71,14 @@ static const char *const xt_prefix[NFPROTO_NUMPROTO] = { static const unsigned int xt_jumpstack_multiplier = 2; /* Registration hooks for targets. */ -int -xt_register_target(struct xt_target *target) +int xt_register_target(struct xt_target *target) { u_int8_t af = target->family; - int ret; - ret = mutex_lock_interruptible(&xt[af].mutex); - if (ret != 0) - return ret; + mutex_lock(&xt[af].mutex); list_add(&target->list, &xt[af].target); mutex_unlock(&xt[af].mutex); - return ret; + return 0; } EXPORT_SYMBOL(xt_register_target); @@ -125,20 +121,14 @@ xt_unregister_targets(struct xt_target *target, unsigned int n) } EXPORT_SYMBOL(xt_unregister_targets); -int -xt_register_match(struct xt_match *match) +int xt_register_match(struct xt_match *match) { u_int8_t af = match->family; - int ret; - - ret = mutex_lock_interruptible(&xt[af].mutex); - if (ret != 0) - return ret; + mutex_lock(&xt[af].mutex); list_add(&match->list, &xt[af].match); mutex_unlock(&xt[af].mutex); - - return ret; + return 0; } EXPORT_SYMBOL(xt_register_match); @@ -194,9 +184,7 @@ struct xt_match *xt_find_match(u8 af, const char *name, u8 revision) struct xt_match *m; int err = -ENOENT; - if (mutex_lock_interruptible(&xt[af].mutex) != 0) - return ERR_PTR(-EINTR); - + mutex_lock(&xt[af].mutex); list_for_each_entry(m, &xt[af].match, list) { if (strcmp(m->name, name) == 0) { if (m->revision == revision) { @@ -239,9 +227,7 @@ struct xt_target *xt_find_target(u8 af, const char *name, u8 revision) struct xt_target *t; int err = -ENOENT; - if (mutex_lock_interruptible(&xt[af].mutex) != 0) - return ERR_PTR(-EINTR); - + mutex_lock(&xt[af].mutex); list_for_each_entry(t, &xt[af].target, list) { if (strcmp(t->name, name) == 0) { if (t->revision == revision) { @@ -323,10 +309,7 @@ int xt_find_revision(u8 af, const char *name, u8 revision, int target, { int have_rev, best = -1; - if (mutex_lock_interruptible(&xt[af].mutex) != 0) { - *err = -EINTR; - return 1; - } + mutex_lock(&xt[af].mutex); if (target == 1) have_rev = target_revfn(af, name, revision, &best); else @@ -732,9 +715,7 @@ struct xt_table *xt_find_table_lock(struct net *net, u_int8_t af, { struct xt_table *t; - if (mutex_lock_interruptible(&xt[af].mutex) != 0) - return ERR_PTR(-EINTR); - + mutex_lock(&xt[af].mutex); list_for_each_entry(t, &net->xt.tables[af], list) if (strcmp(t->name, name) == 0 && try_module_get(t->me)) return t; @@ -883,10 +864,7 @@ struct xt_table *xt_register_table(struct net *net, goto out; } - ret = mutex_lock_interruptible(&xt[table->af].mutex); - if (ret != 0) - goto out_free; - + mutex_lock(&xt[table->af].mutex); /* Don't autoload: we'd eat our tail... */ list_for_each_entry(t, &net->xt.tables[table->af], list) { if (strcmp(t->name, table->name) == 0) { @@ -911,9 +889,8 @@ struct xt_table *xt_register_table(struct net *net, mutex_unlock(&xt[table->af].mutex); return table; - unlock: +unlock: mutex_unlock(&xt[table->af].mutex); -out_free: kfree(table); out: return ERR_PTR(ret); diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c index a324b4b..2e152e5f 100644 --- a/net/netlink/af_netlink.c +++ b/net/netlink/af_netlink.c @@ -213,7 +213,7 @@ static int __netlink_deliver_tap_skb(struct sk_buff *skb, nskb->protocol = htons((u16) sk->sk_protocol); nskb->pkt_type = netlink_is_kernel(sk) ? PACKET_KERNEL : PACKET_USER; - + skb_reset_network_header(nskb); ret = dev_queue_xmit(nskb); if (unlikely(ret > 0)) ret = net_xmit_errno(ret); diff --git a/net/openvswitch/datapath.c b/net/openvswitch/datapath.c index 7ad3f02..7228ec3 100644 --- a/net/openvswitch/datapath.c +++ b/net/openvswitch/datapath.c @@ -47,8 +47,6 @@ #include <linux/openvswitch.h> #include <linux/rculist.h> #include <linux/dmi.h> -#include <linux/genetlink.h> -#include <net/genetlink.h> #include <net/genetlink.h> #include <net/net_namespace.h> #include <net/netns/generic.h> |