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-rw-r--r--net/unix/af_unix.c17
1 files changed, 9 insertions, 8 deletions
diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index c5ee4ff..5b5c876 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;
}
@@ -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;
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