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@xxxxxxxxxxxx>
---
net/bluetooth/sco.c | 16 ++++++----------
1 files changed, 6 insertions(+), 10 deletions(-)
diff --git a/net/bluetooth/sco.c b/net/bluetooth/sco.c
index 2fb9636..8b2548c 100644
--- a/net/bluetooth/sco.c
+++ b/net/bluetooth/sco.c
@@ -463,7 +463,6 @@ 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));
@@ -478,17 +477,14 @@ 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);
--
1.7.7.6
--
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