1 files changed, 13 insertions, 8 deletions

diff --git a/net/bluetooth/sco.c b/net/bluetooth/sco.c
index 368e026f4d15..a5ac160c592e 100644
--- a/net/bluetooth/sco.c
+++ b/net/bluetooth/sco.c
@@ -83,6 +83,10 @@ static void sco_sock_timeout(struct work_struct *work)
 	struct sock *sk;
 
 	sco_conn_lock(conn);
+	if (!conn->hcon) {
+		sco_conn_unlock(conn);
+		return;
+	}
 	sk = conn->sk;
 	if (sk)
 		sock_hold(sk);
@@ -122,7 +126,6 @@ static void sco_sock_clear_timer(struct sock *sk)
 /* ---- SCO connections ---- */
 static struct sco_conn *sco_conn_add(struct hci_conn *hcon)
 {
-	struct hci_dev *hdev = hcon->hdev;
 	struct sco_conn *conn = hcon->sco_data;
 
 	if (conn) {
@@ -140,9 +143,10 @@ static struct sco_conn *sco_conn_add(struct hci_conn *hcon)
 
 	hcon->sco_data = conn;
 	conn->hcon = hcon;
+	conn->mtu = hcon->mtu;
 
-	if (hdev->sco_mtu > 0)
-		conn->mtu = hdev->sco_mtu;
+	if (hcon->mtu > 0)
+		conn->mtu = hcon->mtu;
 	else
 		conn->mtu = 60;
 
@@ -643,7 +647,7 @@ done:
 }
 
 static int sco_sock_accept(struct socket *sock, struct socket *newsock,
-			   int flags, bool kern)
+			   struct proto_accept_arg *arg)
 {
 	DEFINE_WAIT_FUNC(wait, woken_wake_function);
 	struct sock *sk = sock->sk, *ch;
@@ -652,7 +656,7 @@ static int sco_sock_accept(struct socket *sock, struct socket *newsock,
 
 	lock_sock(sk);
 
-	timeo = sock_rcvtimeo(sk, flags & O_NONBLOCK);
+	timeo = sock_rcvtimeo(sk, arg->flags & O_NONBLOCK);
 
 	BT_DBG("sk %p timeo %ld", sk, timeo);
 
@@ -964,7 +968,8 @@ static int sco_sock_getsockopt_old(struct socket *sock, int optname,
 	struct sock *sk = sock->sk;
 	struct sco_options opts;
 	struct sco_conninfo cinfo;
-	int len, err = 0;
+	int err = 0;
+	size_t len;
 
 	BT_DBG("sk %p", sk);
 
@@ -986,7 +991,7 @@ static int sco_sock_getsockopt_old(struct socket *sock, int optname,
 
 		BT_DBG("mtu %u", opts.mtu);
 
-		len = min_t(unsigned int, len, sizeof(opts));
+		len = min(len, sizeof(opts));
 		if (copy_to_user(optval, (char *)&opts, len))
 			err = -EFAULT;
 
@@ -1004,7 +1009,7 @@ static int sco_sock_getsockopt_old(struct socket *sock, int optname,
 		cinfo.hci_handle = sco_pi(sk)->conn->hcon->handle;
 		memcpy(cinfo.dev_class, sco_pi(sk)->conn->hcon->dev_class, 3);
 
-		len = min_t(unsigned int, len, sizeof(cinfo));
+		len = min(len, sizeof(cinfo));
 		if (copy_to_user(optval, (char *)&cinfo, len))
 			err = -EFAULT;