2 files changed, 17 insertions, 6 deletions

diff --git a/net/bluetooth/hci_sock.c b/net/bluetooth/hci_sock.c
index bdb6458c6bd5..97bdec73d17e 100644
--- a/net/bluetooth/hci_sock.c
+++ b/net/bluetooth/hci_sock.c
@@ -143,13 +143,15 @@ void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb)
 static int hci_sock_release(struct socket *sock)
 {
         struct sock *sk = sock->sk;
-        struct hci_dev *hdev = hci_pi(sk)->hdev;
+        struct hci_dev *hdev;
 
         BT_DBG("sock %p sk %p", sock, sk);
 
         if (!sk)
                 return 0;
 
+        hdev = hci_pi(sk)->hdev;
+
         bt_sock_unlink(&hci_sk_list, sk);
 
         if (hdev) {
@@ -311,14 +313,18 @@ static int hci_sock_getname(struct socket *sock, struct sockaddr *addr, int *add
 {
         struct sockaddr_hci *haddr = (struct sockaddr_hci *) addr;
         struct sock *sk = sock->sk;
+        struct hci_dev *hdev = hci_pi(sk)->hdev;
 
         BT_DBG("sock %p sk %p", sock, sk);
 
+        if (!hdev)
+                return -EBADFD;
+
         lock_sock(sk);
 
         *addr_len = sizeof(*haddr);
         haddr->hci_family = AF_BLUETOOTH;
-        haddr->hci_dev    = hci_pi(sk)->hdev->id;
+        haddr->hci_dev    = hdev->id;
 
         release_sock(sk);
         return 0;
diff --git a/net/bluetooth/rfcomm/core.c b/net/bluetooth/rfcomm/core.c
index 0d89d6434136..5b4253c61f62 100644
--- a/net/bluetooth/rfcomm/core.c
+++ b/net/bluetooth/rfcomm/core.c
@@ -46,13 +46,15 @@
 #include <net/bluetooth/l2cap.h>
 #include <net/bluetooth/rfcomm.h>
 
-#define VERSION "1.6"
-
 #ifndef CONFIG_BT_RFCOMM_DEBUG
 #undef  BT_DBG
 #define BT_DBG(D...)
 #endif
 
+#define VERSION "1.7"
+
+static unsigned int l2cap_mtu = RFCOMM_MAX_L2CAP_MTU;
+
 static struct task_struct *rfcomm_thread;
 
 static DECLARE_MUTEX(rfcomm_sem);
@@ -623,7 +625,7 @@ static struct rfcomm_session *rfcomm_session_create(bdaddr_t *src, bdaddr_t *dst
         /* Set L2CAP options */
         sk = sock->sk;
         lock_sock(sk);
-        l2cap_pi(sk)->imtu = RFCOMM_MAX_L2CAP_MTU;
+        l2cap_pi(sk)->imtu = l2cap_mtu;
         release_sock(sk);
 
         s = rfcomm_session_add(sock, BT_BOUND);
@@ -1868,7 +1870,7 @@ static int rfcomm_add_listener(bdaddr_t *ba)
         /* Set L2CAP options */
         sk = sock->sk;
         lock_sock(sk);
-        l2cap_pi(sk)->imtu = RFCOMM_MAX_L2CAP_MTU;
+        l2cap_pi(sk)->imtu = l2cap_mtu;
         release_sock(sk);
 
         /* Start listening on the socket */
@@ -2070,6 +2072,9 @@ static void __exit rfcomm_exit(void)
 module_init(rfcomm_init);
 module_exit(rfcomm_exit);
 
+module_param(l2cap_mtu, uint, 0644);
+MODULE_PARM_DESC(l2cap_mtu, "Default MTU for the L2CAP connection");
+
 MODULE_AUTHOR("Maxim Krasnyansky <maxk@qualcomm.com>, Marcel Holtmann <marcel@holtmann.org>");
 MODULE_DESCRIPTION("Bluetooth RFCOMM ver " VERSION);
 MODULE_VERSION(VERSION);