1 files changed, 8 insertions, 5 deletions

diff --git a/net/phonet/socket.c b/net/phonet/socket.c
index d81740187fb4..ada2a35bf7a2 100644
--- a/net/phonet/socket.c
+++ b/net/phonet/socket.c
@@ -57,7 +57,7 @@ static struct  {
  * Find address based on socket address, match only certain fields.
  * Also grab sock if it was found. Remember to sock_put it later.
  */
-struct sock *pn_find_sock_by_sa(const struct sockaddr_pn *spn)
+struct sock *pn_find_sock_by_sa(struct net *net, const struct sockaddr_pn *spn)
 {
         struct hlist_node *node;
         struct sock *sknode;
@@ -71,6 +71,8 @@ struct sock *pn_find_sock_by_sa(const struct sockaddr_pn *spn)
                 struct pn_sock *pn = pn_sk(sknode);
                 BUG_ON(!pn->sobject); /* unbound socket */
 
+                if (!net_eq(sock_net(sknode), net))
+                        continue;
                 if (pn_port(obj)) {
                         /* Look up socket by port */
                         if (pn_port(pn->sobject) != pn_port(obj))
@@ -130,7 +132,7 @@ static int pn_socket_bind(struct socket *sock, struct sockaddr *addr, int len)
 
         handle = pn_sockaddr_get_object((struct sockaddr_pn *)addr);
         saddr = pn_addr(handle);
-        if (saddr && phonet_address_lookup(saddr))
+        if (saddr && phonet_address_lookup(sock_net(sk), saddr))
                 return -EADDRNOTAVAIL;
 
         lock_sock(sk);
@@ -225,7 +227,7 @@ static unsigned int pn_socket_poll(struct file *file, struct socket *sock,
         if (!mask && sk->sk_state == TCP_CLOSE_WAIT)
                 return POLLHUP;
 
-        if (sk->sk_state == TCP_ESTABLISHED && pn->tx_credits)
+        if (sk->sk_state == TCP_ESTABLISHED && atomic_read(&pn->tx_credits))
                 mask |= POLLOUT | POLLWRNORM | POLLWRBAND;
 
         return mask;
@@ -361,6 +363,7 @@ static DEFINE_MUTEX(port_mutex);
 int pn_sock_get_port(struct sock *sk, unsigned short sport)
 {
         static int port_cur;
+        struct net *net = sock_net(sk);
         struct pn_sock *pn = pn_sk(sk);
         struct sockaddr_pn try_sa;
         struct sock *tmpsk;
@@ -381,7 +384,7 @@ int pn_sock_get_port(struct sock *sk, unsigned short sport)
                                 port_cur = pmin;
 
                         pn_sockaddr_set_port(&try_sa, port_cur);
-                        tmpsk = pn_find_sock_by_sa(&try_sa);
+                        tmpsk = pn_find_sock_by_sa(net, &try_sa);
                         if (tmpsk == NULL) {
                                 sport = port_cur;
                                 goto found;
@@ -391,7 +394,7 @@ int pn_sock_get_port(struct sock *sk, unsigned short sport)
         } else {
                 /* try to find specific port */
                 pn_sockaddr_set_port(&try_sa, sport);
-                tmpsk = pn_find_sock_by_sa(&try_sa);
+                tmpsk = pn_find_sock_by_sa(net, &try_sa);
                 if (tmpsk == NULL)
                         /* No sock there! We can use that port... */
                         goto found;