[X25]: Use size_t for size in {send,recv}msg.

net/x25/af_x25.c

@@ -910,7 +910,7 @@ int x25_rx_call_request(struct sk_buff *skb, struct x25_neigh *nb,
 }
 
 static int x25_sendmsg(struct kiocb *iocb, struct socket *sock,
-		       struct msghdr *msg, int len)
+		       struct msghdr *msg, size_t len)
 {
 	struct sock *sk = sock->sk;
 	struct x25_opt *x25 = x25_sk(sk);
@@ -919,7 +919,8 @@ static int x25_sendmsg(struct kiocb *iocb, struct socket *sock,
 	struct sk_buff *skb;
 	unsigned char *asmptr;
 	int noblock = msg->msg_flags & MSG_DONTWAIT;
-	int size, qbit = 0, rc = -EINVAL;
+	size_t size;
+	int qbit = 0, rc = -EINVAL;
 
 	if (msg->msg_flags & ~(MSG_DONTWAIT | MSG_OOB | MSG_EOR))
 		goto out;
@@ -1085,13 +1086,14 @@ static int x25_sendmsg(struct kiocb *iocb, struct socket *sock,
 
 
 static int x25_recvmsg(struct kiocb *iocb, struct socket *sock,
-		       struct msghdr *msg, int size,
+		       struct msghdr *msg, size_t size,
 		       int flags)
 {
 	struct sock *sk = sock->sk;
 	struct x25_opt *x25 = x25_sk(sk);
 	struct sockaddr_x25 *sx25 = (struct sockaddr_x25 *)msg->msg_name;
-	int copied, qbit;
+	size_t copied;
+	int qbit;
 	struct sk_buff *skb;
 	unsigned char *asmptr;
 	int rc = -ENOTCONN;