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-rw-r--r--net/sctp/socket.c41
1 files changed, 21 insertions, 20 deletions
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index 44a1ab03a3f0..ca44917872d2 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -3720,9 +3720,6 @@ SCTP_STATIC int sctp_init_sock(struct sock *sk)
SCTP_DBG_OBJCNT_INC(sock);
- /* Set socket backlog limit. */
- sk->sk_backlog.limit = sysctl_sctp_rmem[1];
-
local_bh_disable();
percpu_counter_inc(&sctp_sockets_allocated);
sock_prot_inuse_add(sock_net(sk), sk->sk_prot, 1);
@@ -4387,7 +4384,7 @@ static int sctp_getsockopt_peer_addrs(struct sock *sk, int len,
transports) {
memcpy(&temp, &from->ipaddr, sizeof(temp));
sctp_get_pf_specific(sk->sk_family)->addr_v4map(sp, &temp);
- addrlen = sctp_get_af_specific(sk->sk_family)->sockaddr_len;
+ addrlen = sctp_get_af_specific(temp.sa.sa_family)->sockaddr_len;
if (space_left < addrlen)
return -ENOMEM;
if (copy_to_user(to, &temp, addrlen))
@@ -5436,6 +5433,8 @@ static long sctp_get_port_local(struct sock *sk, union sctp_addr *addr)
rover++;
if ((rover < low) || (rover > high))
rover = low;
+ if (inet_is_reserved_local_port(rover))
+ continue;
index = sctp_phashfn(rover);
head = &sctp_port_hashtable[index];
sctp_spin_lock(&head->lock);
@@ -5482,7 +5481,6 @@ pp_found:
*/
int reuse = sk->sk_reuse;
struct sock *sk2;
- struct hlist_node *node;
SCTP_DEBUG_PRINTK("sctp_get_port() found a possible match\n");
if (pp->fastreuse && sk->sk_reuse &&
@@ -5703,7 +5701,7 @@ unsigned int sctp_poll(struct file *file, struct socket *sock, poll_table *wait)
struct sctp_sock *sp = sctp_sk(sk);
unsigned int mask;
- poll_wait(file, sk->sk_sleep, wait);
+ poll_wait(file, sk_sleep(sk), wait);
/* A TCP-style listening socket becomes readable when the accept queue
* is not empty.
@@ -5944,7 +5942,7 @@ static int sctp_wait_for_packet(struct sock * sk, int *err, long *timeo_p)
int error;
DEFINE_WAIT(wait);
- prepare_to_wait_exclusive(sk->sk_sleep, &wait, TASK_INTERRUPTIBLE);
+ prepare_to_wait_exclusive(sk_sleep(sk), &wait, TASK_INTERRUPTIBLE);
/* Socket errors? */
error = sock_error(sk);
@@ -5981,14 +5979,14 @@ static int sctp_wait_for_packet(struct sock * sk, int *err, long *timeo_p)
sctp_lock_sock(sk);
ready:
- finish_wait(sk->sk_sleep, &wait);
+ finish_wait(sk_sleep(sk), &wait);
return 0;
interrupted:
error = sock_intr_errno(*timeo_p);
out:
- finish_wait(sk->sk_sleep, &wait);
+ finish_wait(sk_sleep(sk), &wait);
*err = error;
return error;
}
@@ -6062,14 +6060,14 @@ static void __sctp_write_space(struct sctp_association *asoc)
wake_up_interruptible(&asoc->wait);
if (sctp_writeable(sk)) {
- if (sk->sk_sleep && waitqueue_active(sk->sk_sleep))
- wake_up_interruptible(sk->sk_sleep);
+ if (sk_sleep(sk) && waitqueue_active(sk_sleep(sk)))
+ wake_up_interruptible(sk_sleep(sk));
/* Note that we try to include the Async I/O support
* here by modeling from the current TCP/UDP code.
* We have not tested with it yet.
*/
- if (sock->fasync_list &&
+ if (sock->wq->fasync_list &&
!(sk->sk_shutdown & SEND_SHUTDOWN))
sock_wake_async(sock,
SOCK_WAKE_SPACE, POLL_OUT);
@@ -6191,12 +6189,15 @@ do_nonblock:
void sctp_data_ready(struct sock *sk, int len)
{
- read_lock_bh(&sk->sk_callback_lock);
- if (sk_has_sleeper(sk))
- wake_up_interruptible_sync_poll(sk->sk_sleep, POLLIN |
+ struct socket_wq *wq;
+
+ rcu_read_lock();
+ wq = rcu_dereference(sk->sk_wq);
+ if (wq_has_sleeper(wq))
+ wake_up_interruptible_sync_poll(&wq->wait, POLLIN |
POLLRDNORM | POLLRDBAND);
sk_wake_async(sk, SOCK_WAKE_WAITD, POLL_IN);
- read_unlock_bh(&sk->sk_callback_lock);
+ rcu_read_unlock();
}
/* If socket sndbuf has changed, wake up all per association waiters. */
@@ -6307,7 +6308,7 @@ static int sctp_wait_for_accept(struct sock *sk, long timeo)
for (;;) {
- prepare_to_wait_exclusive(sk->sk_sleep, &wait,
+ prepare_to_wait_exclusive(sk_sleep(sk), &wait,
TASK_INTERRUPTIBLE);
if (list_empty(&ep->asocs)) {
@@ -6333,7 +6334,7 @@ static int sctp_wait_for_accept(struct sock *sk, long timeo)
break;
}
- finish_wait(sk->sk_sleep, &wait);
+ finish_wait(sk_sleep(sk), &wait);
return err;
}
@@ -6343,7 +6344,7 @@ static void sctp_wait_for_close(struct sock *sk, long timeout)
DEFINE_WAIT(wait);
do {
- prepare_to_wait(sk->sk_sleep, &wait, TASK_INTERRUPTIBLE);
+ prepare_to_wait(sk_sleep(sk), &wait, TASK_INTERRUPTIBLE);
if (list_empty(&sctp_sk(sk)->ep->asocs))
break;
sctp_release_sock(sk);
@@ -6351,7 +6352,7 @@ static void sctp_wait_for_close(struct sock *sk, long timeout)
sctp_lock_sock(sk);
} while (!signal_pending(current) && timeout);
- finish_wait(sk->sk_sleep, &wait);
+ finish_wait(sk_sleep(sk), &wait);
}
static void sctp_skb_set_owner_r_frag(struct sk_buff *skb, struct sock *sk)
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