[Bluetooth] Return EINPROGRESS for non-blocking socket calls

In case of non-blocking socket calls we should return EINPROGRESS
and not EAGAIN.

Signed-off-by: Ulisses Furquim <ulissesf@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Adrian Bunk <bunk@stusta.de>

net/bluetooth/af_bluetooth.c

@@ -274,7 +274,7 @@ int bt_sock_wait_state(struct sock *sk, int state, unsigned long timeo)
 		set_current_state(TASK_INTERRUPTIBLE);
 
 		if (!timeo) {
-			err = -EAGAIN;
+			err = -EINPROGRESS;
 			break;
 		}
 

net/bluetooth/rfcomm/core.c

@@ -640,7 +640,7 @@ static struct rfcomm_session *rfcomm_session_create(bdaddr_t *src, bdaddr_t *dst
 	addr.l2_family = AF_BLUETOOTH;
 	addr.l2_psm    = htobs(RFCOMM_PSM);
 	*err = sock->ops->connect(sock, (struct sockaddr *) &addr, sizeof(addr), O_NONBLOCK);
-	if (*err == 0 || *err == -EAGAIN)
+	if (*err == 0 || *err == -EINPROGRESS)
 		return s;
 
 	rfcomm_session_del(s);