1 files changed, 5 insertions, 15 deletions

diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index 2d465bdeccbc..68bb70a62afe 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -637,7 +637,7 @@ static int unix_stream_connect(struct socket *, struct sockaddr *,
 			       int addr_len, int flags);
 static int unix_socketpair(struct socket *, struct socket *);
 static int unix_accept(struct socket *, struct socket *, int, bool);
-static int unix_getname(struct socket *, struct sockaddr *, int *, int);
+static int unix_getname(struct socket *, struct sockaddr *, int);
 static __poll_t unix_poll(struct file *, struct socket *, poll_table *);
 static __poll_t unix_dgram_poll(struct file *, struct socket *,
 				    poll_table *);
@@ -745,14 +745,6 @@ static struct proto unix_proto = {
 	.obj_size		= sizeof(struct unix_sock),
 };
 
-/*
- * AF_UNIX sockets do not interact with hardware, hence they
- * dont trigger interrupts - so it's safe for them to have
- * bh-unsafe locking for their sk_receive_queue.lock. Split off
- * this special lock-class by reinitializing the spinlock key:
- */
-static struct lock_class_key af_unix_sk_receive_queue_lock_key;
-
 static struct sock *unix_create1(struct net *net, struct socket *sock, int kern)
 {
 	struct sock *sk = NULL;
@@ -767,8 +759,6 @@ static struct sock *unix_create1(struct net *net, struct socket *sock, int kern)
 		goto out;
 
 	sock_init_data(sock, sk);
-	lockdep_set_class(&sk->sk_receive_queue.lock,
-				&af_unix_sk_receive_queue_lock_key);
 
 	sk->sk_allocation	= GFP_KERNEL_ACCOUNT;
 	sk->sk_write_space	= unix_write_space;
@@ -1453,7 +1443,7 @@ out:
 }
 
 
-static int unix_getname(struct socket *sock, struct sockaddr *uaddr, int *uaddr_len, int peer)
+static int unix_getname(struct socket *sock, struct sockaddr *uaddr, int peer)
 {
 	struct sock *sk = sock->sk;
 	struct unix_sock *u;
@@ -1476,12 +1466,12 @@ static int unix_getname(struct socket *sock, struct sockaddr *uaddr, int *uaddr_
 	if (!u->addr) {
 		sunaddr->sun_family = AF_UNIX;
 		sunaddr->sun_path[0] = 0;
-		*uaddr_len = sizeof(short);
+		err = sizeof(short);
 	} else {
 		struct unix_address *addr = u->addr;
 
-		*uaddr_len = addr->len;
-		memcpy(sunaddr, addr->name, *uaddr_len);
+		err = addr->len;
+		memcpy(sunaddr, addr->name, addr->len);
 	}
 	unix_state_unlock(sk);
 	sock_put(sk);