1 files changed, 11 insertions, 10 deletions

diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index e4768c180da..5b5c876c80e 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -441,7 +441,7 @@ static int unix_release_sock(struct sock *sk, int embrion)
         /* ---- Socket is dead now and most probably destroyed ---- */
 
         /*
-         * Fixme: BSD difference: In BSD all sockets connected to use get
+         * Fixme: BSD difference: In BSD all sockets connected to us get
          *        ECONNRESET and we die on the spot. In Linux we behave
          *        like files and pipes do and wait for the last
          *        dereference.
@@ -481,7 +481,6 @@ static int unix_listen(struct socket *sock, int backlog)
         struct sock *sk = sock->sk;
         struct unix_sock *u = unix_sk(sk);
         struct pid *old_pid = NULL;
-        const struct cred *old_cred = NULL;
 
         err = -EOPNOTSUPP;
         if (sock->type != SOCK_STREAM && sock->type != SOCK_SEQPACKET)
@@ -503,8 +502,6 @@ static int unix_listen(struct socket *sock, int backlog)
 out_unlock:
         unix_state_unlock(sk);
         put_pid(old_pid);
-        if (old_cred)
-                put_cred(old_cred);
 out:
         return err;
 }
@@ -1450,7 +1447,7 @@ static int unix_dgram_sendmsg(struct kiocb *kiocb, struct socket *sock,
         if (NULL == siocb->scm)
                 siocb->scm = &tmp_scm;
         wait_for_unix_gc();
-        err = scm_send(sock, msg, siocb->scm);
+        err = scm_send(sock, msg, siocb->scm, false);
         if (err < 0)
                 return err;
 
@@ -1619,7 +1616,7 @@ static int unix_stream_sendmsg(struct kiocb *kiocb, struct socket *sock,
         if (NULL == siocb->scm)
                 siocb->scm = &tmp_scm;
         wait_for_unix_gc();
-        err = scm_send(sock, msg, siocb->scm);
+        err = scm_send(sock, msg, siocb->scm, false);
         if (err < 0)
                 return err;
 
@@ -2060,10 +2057,14 @@ static int unix_shutdown(struct socket *sock, int mode)
         struct sock *sk = sock->sk;
         struct sock *other;
 
-        mode = (mode+1)&(RCV_SHUTDOWN|SEND_SHUTDOWN);
-
-        if (!mode)
-                return 0;
+        if (mode < SHUT_RD || mode > SHUT_RDWR)
+                return -EINVAL;
+        /* This maps:
+         * SHUT_RD   (0) -> RCV_SHUTDOWN  (1)
+         * SHUT_WR   (1) -> SEND_SHUTDOWN (2)
+         * SHUT_RDWR (2) -> SHUTDOWN_MASK (3)
+         */
+        ++mode;
 
         unix_state_lock(sk);
         sk->sk_shutdown |= mode;