Bluetooth: Don't check source address in SCO bind function

Checking the source address in SCO bind function will prevent from
having an incoming and outgoing SCO socket. However that might be
needed in case of multiple SCO connections on a single device.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo Padovan <gustavo@padovan.org>

diff --git a/net/bluetooth/sco.c b/net/bluetooth/sco.c
index 84d7a8023f80c5a944d7823f13e520b17cd524ba..c75cd7b07d18742fe5b55ba8596f214386e0640c 100644 (file)
--- a/net/bluetooth/sco.c
+++ b/net/bluetooth/sco.c
@@ -462,7 +462,6 @@ static int sco_sock_bind(struct socket *sock, struct sockaddr *addr, int addr_le
 {
        struct sockaddr_sco *sa = (struct sockaddr_sco *) addr;
        struct sock *sk = sock->sk;
-       bdaddr_t *src = &sa->sco_bdaddr;
        int err = 0;
 
        BT_DBG("sk %p %s", sk, batostr(&sa->sco_bdaddr));
@@ -477,17 +476,14 @@ static int sco_sock_bind(struct socket *sock, struct sockaddr *addr, int addr_le
                goto done;
        }
 
-       write_lock(&sco_sk_list.lock);
-
-       if (bacmp(src, BDADDR_ANY) && __sco_get_sock_by_addr(src)) {
-               err = -EADDRINUSE;
-       } else {
-               /* Save source address */
-               bacpy(&bt_sk(sk)->src, &sa->sco_bdaddr);
-               sk->sk_state = BT_BOUND;
+       if (sk->sk_type != SOCK_SEQPACKET) {
+               err = -EINVAL;
+               goto done;
        }
 
-       write_unlock(&sco_sk_list.lock);
+       bacpy(&bt_sk(sk)->src, &sa->sco_bdaddr);
+
+       sk->sk_state = BT_BOUND;
 
 done:
        release_sock(sk);