1 files changed, 10 insertions, 7 deletions

diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index 51ab497115eb..f25511903115 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -621,7 +621,8 @@ out:
         return sk;
 }
 
-static int unix_create(struct net *net, struct socket *sock, int protocol)
+static int unix_create(struct net *net, struct socket *sock, int protocol,
+                       int kern)
 {
         if (protocol && protocol != PF_UNIX)
                 return -EPROTONOSUPPORT;
@@ -1032,8 +1033,8 @@ static int unix_stream_connect(struct socket *sock, struct sockaddr *uaddr,
                 goto out;
         addr_len = err;
 
-        if (test_bit(SOCK_PASSCRED, &sock->flags)
-                && !u->addr && (err = unix_autobind(sock)) != 0)
+        if (test_bit(SOCK_PASSCRED, &sock->flags) && !u->addr &&
+            (err = unix_autobind(sock)) != 0)
                 goto out;
 
         timeo = sock_sndtimeo(sk, flags & O_NONBLOCK);
@@ -1074,6 +1075,8 @@ restart:
         err = -ECONNREFUSED;
         if (other->sk_state != TCP_LISTEN)
                 goto out_unlock;
+        if (other->sk_shutdown & RCV_SHUTDOWN)
+                goto out_unlock;
 
         if (unix_recvq_full(other)) {
                 err = -EAGAIN;
@@ -1256,7 +1259,7 @@ static int unix_getname(struct socket *sock, struct sockaddr *uaddr, int *uaddr_
 {
         struct sock *sk = sock->sk;
         struct unix_sock *u;
-        struct sockaddr_un *sunaddr = (struct sockaddr_un *)uaddr;
+        DECLARE_SOCKADDR(struct sockaddr_un *, sunaddr, uaddr);
         int err = 0;
 
         if (peer) {
@@ -1375,8 +1378,8 @@ static int unix_dgram_sendmsg(struct kiocb *kiocb, struct socket *sock,
                         goto out;
         }
 
-        if (test_bit(SOCK_PASSCRED, &sock->flags)
-                && !u->addr && (err = unix_autobind(sock)) != 0)
+        if (test_bit(SOCK_PASSCRED, &sock->flags) && !u->addr
+            && (err = unix_autobind(sock)) != 0)
                 goto out;
 
         err = -EMSGSIZE;
@@ -2214,7 +2217,7 @@ static const struct file_operations unix_seq_fops = {
 
 #endif
 
-static struct net_proto_family unix_family_ops = {
+static const struct net_proto_family unix_family_ops = {
         .family = PF_UNIX,
         .create = unix_create,
         .owner  = THIS_MODULE,