diff options
Diffstat (limited to 'net/core/sock.c')
| -rw-r--r-- | net/core/sock.c | 30 |
1 files changed, 25 insertions, 5 deletions
diff --git a/net/core/sock.c b/net/core/sock.c index a692ef49c9bb..b261a7977746 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -186,8 +186,10 @@ void mem_cgroup_sockets_destroy(struct mem_cgroup *memcg) static struct lock_class_key af_family_keys[AF_MAX]; static struct lock_class_key af_family_slock_keys[AF_MAX]; +#if defined(CONFIG_MEMCG_KMEM) struct static_key memcg_socket_limit_enabled; EXPORT_SYMBOL(memcg_socket_limit_enabled); +#endif /* * Make lock validator output more readable. (we pre-construct these @@ -583,7 +585,7 @@ static int sock_getbindtodevice(struct sock *sk, char __user *optval, goto out; retry: - seq = read_seqbegin(&devnet_rename_seq); + seq = read_seqcount_begin(&devnet_rename_seq); rcu_read_lock(); dev = dev_get_by_index_rcu(net, sk->sk_bound_dev_if); ret = -ENODEV; @@ -594,7 +596,7 @@ retry: strcpy(devname, dev->name); rcu_read_unlock(); - if (read_seqretry(&devnet_rename_seq, seq)) + if (read_seqcount_retry(&devnet_rename_seq, seq)) goto retry; len = strlen(devname) + 1; @@ -665,6 +667,9 @@ int sock_setsockopt(struct socket *sock, int level, int optname, case SO_REUSEADDR: sk->sk_reuse = (valbool ? SK_CAN_REUSE : SK_NO_REUSE); break; + case SO_REUSEPORT: + sk->sk_reuseport = valbool; + break; case SO_TYPE: case SO_PROTOCOL: case SO_DOMAIN: @@ -861,6 +866,13 @@ set_rcvbuf: ret = sk_detach_filter(sk); break; + case SO_LOCK_FILTER: + if (sock_flag(sk, SOCK_FILTER_LOCKED) && !valbool) + ret = -EPERM; + else + sock_valbool_flag(sk, SOCK_FILTER_LOCKED, valbool); + break; + case SO_PASSSEC: if (valbool) set_bit(SOCK_PASSSEC, &sock->flags); @@ -965,6 +977,10 @@ int sock_getsockopt(struct socket *sock, int level, int optname, v.val = sk->sk_reuse; break; + case SO_REUSEPORT: + v.val = sk->sk_reuseport; + break; + case SO_KEEPALIVE: v.val = sock_flag(sk, SOCK_KEEPOPEN); break; @@ -1140,6 +1156,10 @@ int sock_getsockopt(struct socket *sock, int level, int optname, goto lenout; + case SO_LOCK_FILTER: + v.val = sock_flag(sk, SOCK_FILTER_LOCKED); + break; + default: return -ENOPROTOOPT; } @@ -2212,7 +2232,7 @@ EXPORT_SYMBOL(sk_reset_timer); void sk_stop_timer(struct sock *sk, struct timer_list* timer) { - if (timer_pending(timer) && del_timer(timer)) + if (del_timer(timer)) __sock_put(sk); } EXPORT_SYMBOL(sk_stop_timer); @@ -2818,7 +2838,7 @@ static const struct file_operations proto_seq_fops = { static __net_init int proto_init_net(struct net *net) { - if (!proc_net_fops_create(net, "protocols", S_IRUGO, &proto_seq_fops)) + if (!proc_create("protocols", S_IRUGO, net->proc_net, &proto_seq_fops)) return -ENOMEM; return 0; @@ -2826,7 +2846,7 @@ static __net_init int proto_init_net(struct net *net) static __net_exit void proto_exit_net(struct net *net) { - proc_net_remove(net, "protocols"); + remove_proc_entry("protocols", net->proc_net); } |