(16/17) af_unix -- size_t for send/recvmsg

diff -Nru a/net/unix/af_unix.c b/net/unix/af_unix.c
@@ -1176,7 +1176,7 @@
  */
 
 static int unix_dgram_sendmsg(struct kiocb *kiocb, struct socket *sock,
-			      struct msghdr *msg, int len)
+			      struct msghdr *msg, size_t len)
 {
 	struct sock_iocb *siocb = kiocb_to_siocb(kiocb);
 	struct sock *sk = sock->sk;

@@ -1217,7 +1217,7 @@
 		goto out;
 
 	err = -EMSGSIZE;
-	if ((unsigned)len > sk->sk_sndbuf - 32)
+	if (len > sk->sk_sndbuf - 32)
 		goto out;
 
 	skb = sock_alloc_send_skb(sk, len, msg->msg_flags&MSG_DONTWAIT, &err);

@@ -1324,7 +1324,7 @@
 
 		
 static int unix_stream_sendmsg(struct kiocb *kiocb, struct socket *sock,
-			       struct msghdr *msg, int len)
+			       struct msghdr *msg, size_t len)
 {
 	struct sock_iocb *siocb = kiocb_to_siocb(kiocb);
 	struct sock *sk = sock->sk;

@@ -1447,7 +1447,7 @@
 }
 
 static int unix_dgram_recvmsg(struct kiocb *iocb, struct socket *sock,
-			      struct msghdr *msg, int size,
+			      struct msghdr *msg, size_t size,
 			      int flags)
 {
 	struct sock_iocb *siocb = kiocb_to_siocb(iocb);

@@ -1555,7 +1555,7 @@
 
 
 static int unix_stream_recvmsg(struct kiocb *iocb, struct socket *sock,
-			       struct msghdr *msg, int size,
+			       struct msghdr *msg, size_t size,
 			       int flags)
 {
 	struct sock_iocb *siocb = kiocb_to_siocb(iocb);