diff options
Diffstat (limited to 'net')
-rw-r--r-- | net/caif/caif_dev.c | 11 | ||||
-rw-r--r-- | net/caif/cfcnfg.c | 1 | ||||
-rw-r--r-- | net/core/net_namespace.c | 31 | ||||
-rw-r--r-- | net/ipv4/ah4.c | 2 | ||||
-rw-r--r-- | net/ipv4/tcp_ipv4.c | 2 | ||||
-rw-r--r-- | net/ipv4/tcp_output.c | 6 | ||||
-rw-r--r-- | net/ipv6/ah6.c | 2 | ||||
-rw-r--r-- | net/ipv6/tcp_ipv6.c | 2 | ||||
-rw-r--r-- | net/l2tp/l2tp_ip.c | 5 | ||||
-rw-r--r-- | net/rds/af_rds.c | 20 |
10 files changed, 32 insertions, 50 deletions
diff --git a/net/caif/caif_dev.c b/net/caif/caif_dev.c index dbdaa95b800..5ba4366a220 100644 --- a/net/caif/caif_dev.c +++ b/net/caif/caif_dev.c @@ -53,7 +53,6 @@ struct cfcnfg *get_cfcnfg(struct net *net) struct caif_net *caifn; BUG_ON(!net); caifn = net_generic(net, caif_net_id); - BUG_ON(!caifn); return caifn->cfg; } EXPORT_SYMBOL(get_cfcnfg); @@ -63,7 +62,6 @@ static struct caif_device_entry_list *caif_device_list(struct net *net) struct caif_net *caifn; BUG_ON(!net); caifn = net_generic(net, caif_net_id); - BUG_ON(!caifn); return &caifn->caifdevs; } @@ -92,7 +90,6 @@ static struct caif_device_entry *caif_device_alloc(struct net_device *dev) struct caif_device_entry *caifd; caifdevs = caif_device_list(dev_net(dev)); - BUG_ON(!caifdevs); caifd = kzalloc(sizeof(*caifd), GFP_ATOMIC); if (!caifd) @@ -108,7 +105,7 @@ static struct caif_device_entry *caif_get(struct net_device *dev) struct caif_device_entry_list *caifdevs = caif_device_list(dev_net(dev)); struct caif_device_entry *caifd; - BUG_ON(!caifdevs); + list_for_each_entry_rcu(caifd, &caifdevs->list, list) { if (caifd->netdev == dev) return caifd; @@ -349,7 +346,7 @@ static struct notifier_block caif_device_notifier = { static int caif_init_net(struct net *net) { struct caif_net *caifn = net_generic(net, caif_net_id); - BUG_ON(!caifn); + INIT_LIST_HEAD(&caifn->caifdevs.list); mutex_init(&caifn->caifdevs.lock); @@ -414,7 +411,7 @@ static int __init caif_device_init(void) { int result; - result = register_pernet_device(&caif_net_ops); + result = register_pernet_subsys(&caif_net_ops); if (result) return result; @@ -427,7 +424,7 @@ static int __init caif_device_init(void) static void __exit caif_device_exit(void) { - unregister_pernet_device(&caif_net_ops); + unregister_pernet_subsys(&caif_net_ops); unregister_netdevice_notifier(&caif_device_notifier); dev_remove_pack(&caif_packet_type); } diff --git a/net/caif/cfcnfg.c b/net/caif/cfcnfg.c index 52fe33bee02..bca32d7c15c 100644 --- a/net/caif/cfcnfg.c +++ b/net/caif/cfcnfg.c @@ -313,7 +313,6 @@ int caif_connect_client(struct net *net, struct caif_connect_request *conn_req, int err; struct cfctrl_link_param param; struct cfcnfg *cfg = get_cfcnfg(net); - caif_assert(cfg != NULL); rcu_read_lock(); err = caif_connect_req_to_link_param(cfg, conn_req, ¶m); diff --git a/net/core/net_namespace.c b/net/core/net_namespace.c index ea489db1bc2..0b0211d7fc3 100644 --- a/net/core/net_namespace.c +++ b/net/core/net_namespace.c @@ -29,6 +29,20 @@ EXPORT_SYMBOL(init_net); #define INITIAL_NET_GEN_PTRS 13 /* +1 for len +2 for rcu_head */ +static unsigned int max_gen_ptrs = INITIAL_NET_GEN_PTRS; + +static struct net_generic *net_alloc_generic(void) +{ + struct net_generic *ng; + size_t generic_size = offsetof(struct net_generic, ptr[max_gen_ptrs]); + + ng = kzalloc(generic_size, GFP_KERNEL); + if (ng) + ng->len = max_gen_ptrs; + + return ng; +} + static int net_assign_generic(struct net *net, int id, void *data) { struct net_generic *ng, *old_ng; @@ -42,8 +56,7 @@ static int net_assign_generic(struct net *net, int id, void *data) if (old_ng->len >= id) goto assign; - ng = kzalloc(sizeof(struct net_generic) + - id * sizeof(void *), GFP_KERNEL); + ng = net_alloc_generic(); if (ng == NULL) return -ENOMEM; @@ -58,7 +71,6 @@ static int net_assign_generic(struct net *net, int id, void *data) * the old copy for kfree after a grace period. */ - ng->len = id; memcpy(&ng->ptr, &old_ng->ptr, old_ng->len * sizeof(void*)); rcu_assign_pointer(net->gen, ng); @@ -159,18 +171,6 @@ out_undo: goto out; } -static struct net_generic *net_alloc_generic(void) -{ - struct net_generic *ng; - size_t generic_size = sizeof(struct net_generic) + - INITIAL_NET_GEN_PTRS * sizeof(void *); - - ng = kzalloc(generic_size, GFP_KERNEL); - if (ng) - ng->len = INITIAL_NET_GEN_PTRS; - - return ng; -} #ifdef CONFIG_NET_NS static struct kmem_cache *net_cachep; @@ -481,6 +481,7 @@ again: } return error; } + max_gen_ptrs = max_t(unsigned int, max_gen_ptrs, *ops->id); } error = __register_pernet_operations(list, ops); if (error) { diff --git a/net/ipv4/ah4.c b/net/ipv4/ah4.c index c7056b2e831..36d14406261 100644 --- a/net/ipv4/ah4.c +++ b/net/ipv4/ah4.c @@ -369,8 +369,6 @@ static int ah_input(struct xfrm_state *x, struct sk_buff *skb) if (err == -EINPROGRESS) goto out; - if (err == -EBUSY) - err = NET_XMIT_DROP; goto out_free; } diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index 69790aa3198..53b01258945 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -630,7 +630,7 @@ static void tcp_v4_send_reset(struct sock *sk, struct sk_buff *skb) arg.iov[0].iov_len = sizeof(rep.th); #ifdef CONFIG_TCP_MD5SIG - key = sk ? tcp_v4_md5_do_lookup(sk, ip_hdr(skb)->daddr) : NULL; + key = sk ? tcp_v4_md5_do_lookup(sk, ip_hdr(skb)->saddr) : NULL; if (key) { rep.opt[0] = htonl((TCPOPT_NOP << 24) | (TCPOPT_NOP << 16) | diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c index 882e0b0964d..faf257b9415 100644 --- a/net/ipv4/tcp_output.c +++ b/net/ipv4/tcp_output.c @@ -1134,11 +1134,9 @@ int tcp_trim_head(struct sock *sk, struct sk_buff *skb, u32 len) sk_mem_uncharge(sk, len); sock_set_flag(sk, SOCK_QUEUE_SHRUNK); - /* Any change of skb->len requires recalculation of tso - * factor and mss. - */ + /* Any change of skb->len requires recalculation of tso factor. */ if (tcp_skb_pcount(skb) > 1) - tcp_set_skb_tso_segs(sk, skb, tcp_current_mss(sk)); + tcp_set_skb_tso_segs(sk, skb, tcp_skb_mss(skb)); return 0; } diff --git a/net/ipv6/ah6.c b/net/ipv6/ah6.c index 7a33aaa0022..4c0f894d084 100644 --- a/net/ipv6/ah6.c +++ b/net/ipv6/ah6.c @@ -581,8 +581,6 @@ static int ah6_input(struct xfrm_state *x, struct sk_buff *skb) if (err == -EINPROGRESS) goto out; - if (err == -EBUSY) - err = NET_XMIT_DROP; goto out_free; } diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c index 296510a82c3..51587a01627 100644 --- a/net/ipv6/tcp_ipv6.c +++ b/net/ipv6/tcp_ipv6.c @@ -1096,7 +1096,7 @@ static void tcp_v6_send_reset(struct sock *sk, struct sk_buff *skb) #ifdef CONFIG_TCP_MD5SIG if (sk) - key = tcp_v6_md5_do_lookup(sk, &ipv6_hdr(skb)->daddr); + key = tcp_v6_md5_do_lookup(sk, &ipv6_hdr(skb)->saddr); #endif if (th->ack) diff --git a/net/l2tp/l2tp_ip.c b/net/l2tp/l2tp_ip.c index b6466e71f5e..858ca23aa6d 100644 --- a/net/l2tp/l2tp_ip.c +++ b/net/l2tp/l2tp_ip.c @@ -393,11 +393,6 @@ static int l2tp_ip_backlog_recv(struct sock *sk, struct sk_buff *skb) { int rc; - if (!xfrm4_policy_check(sk, XFRM_POLICY_IN, skb)) - goto drop; - - nf_reset(skb); - /* Charge it to the socket, dropping if the queue is full. */ rc = sock_queue_rcv_skb(sk, skb); if (rc < 0) diff --git a/net/rds/af_rds.c b/net/rds/af_rds.c index bb6ad81b671..424ff622ab5 100644 --- a/net/rds/af_rds.c +++ b/net/rds/af_rds.c @@ -68,7 +68,6 @@ static int rds_release(struct socket *sock) { struct sock *sk = sock->sk; struct rds_sock *rs; - unsigned long flags; if (!sk) goto out; @@ -94,10 +93,10 @@ static int rds_release(struct socket *sock) rds_rdma_drop_keys(rs); rds_notify_queue_get(rs, NULL); - spin_lock_irqsave(&rds_sock_lock, flags); + spin_lock_bh(&rds_sock_lock); list_del_init(&rs->rs_item); rds_sock_count--; - spin_unlock_irqrestore(&rds_sock_lock, flags); + spin_unlock_bh(&rds_sock_lock); rds_trans_put(rs->rs_transport); @@ -409,7 +408,6 @@ static const struct proto_ops rds_proto_ops = { static int __rds_create(struct socket *sock, struct sock *sk, int protocol) { - unsigned long flags; struct rds_sock *rs; sock_init_data(sock, sk); @@ -426,10 +424,10 @@ static int __rds_create(struct socket *sock, struct sock *sk, int protocol) spin_lock_init(&rs->rs_rdma_lock); rs->rs_rdma_keys = RB_ROOT; - spin_lock_irqsave(&rds_sock_lock, flags); + spin_lock_bh(&rds_sock_lock); list_add_tail(&rs->rs_item, &rds_sock_list); rds_sock_count++; - spin_unlock_irqrestore(&rds_sock_lock, flags); + spin_unlock_bh(&rds_sock_lock); return 0; } @@ -471,12 +469,11 @@ static void rds_sock_inc_info(struct socket *sock, unsigned int len, { struct rds_sock *rs; struct rds_incoming *inc; - unsigned long flags; unsigned int total = 0; len /= sizeof(struct rds_info_message); - spin_lock_irqsave(&rds_sock_lock, flags); + spin_lock_bh(&rds_sock_lock); list_for_each_entry(rs, &rds_sock_list, rs_item) { read_lock(&rs->rs_recv_lock); @@ -492,7 +489,7 @@ static void rds_sock_inc_info(struct socket *sock, unsigned int len, read_unlock(&rs->rs_recv_lock); } - spin_unlock_irqrestore(&rds_sock_lock, flags); + spin_unlock_bh(&rds_sock_lock); lens->nr = total; lens->each = sizeof(struct rds_info_message); @@ -504,11 +501,10 @@ static void rds_sock_info(struct socket *sock, unsigned int len, { struct rds_info_socket sinfo; struct rds_sock *rs; - unsigned long flags; len /= sizeof(struct rds_info_socket); - spin_lock_irqsave(&rds_sock_lock, flags); + spin_lock_bh(&rds_sock_lock); if (len < rds_sock_count) goto out; @@ -529,7 +525,7 @@ out: lens->nr = rds_sock_count; lens->each = sizeof(struct rds_info_socket); - spin_unlock_irqrestore(&rds_sock_lock, flags); + spin_unlock_bh(&rds_sock_lock); } static void rds_exit(void) |