3 files changed, 67 insertions, 3 deletions

diff --git a/net/bluetooth/bnep/core.c b/net/bluetooth/bnep/core.c
index e620061fb50f..2312d050eeed 100644
--- a/net/bluetooth/bnep/core.c
+++ b/net/bluetooth/bnep/core.c
@@ -51,6 +51,7 @@
 #include <asm/unaligned.h>
 
 #include <net/bluetooth/bluetooth.h>
+#include <net/bluetooth/hci_core.h>
 #include <net/bluetooth/l2cap.h>
 
 #include "bnep.h"
@@ -515,6 +516,26 @@ static int bnep_session(void *arg)
         return 0;
 }
 
+static struct device *bnep_get_device(struct bnep_session *session)
+{
+        bdaddr_t *src = &bt_sk(session->sock->sk)->src;
+        bdaddr_t *dst = &bt_sk(session->sock->sk)->dst;
+        struct hci_dev *hdev;
+        struct hci_conn *conn;
+
+        hdev = hci_get_route(dst, src);
+        if (!hdev)
+                return NULL;
+
+        conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, dst);
+        if (!conn)
+                return NULL;
+
+        hci_dev_put(hdev);
+
+        return &conn->dev;
+}
+
 int bnep_add_connection(struct bnep_connadd_req *req, struct socket *sock)
 {
         struct net_device *dev;
@@ -534,7 +555,6 @@ int bnep_add_connection(struct bnep_connadd_req *req, struct socket *sock)
         if (!dev)
                 return -ENOMEM;
 
-
         down_write(&bnep_session_sem);
 
         ss = __bnep_get_session(dst);
@@ -551,7 +571,7 @@ int bnep_add_connection(struct bnep_connadd_req *req, struct socket *sock)
         memcpy(s->eh.h_source, &dst, ETH_ALEN);
         memcpy(dev->dev_addr, s->eh.h_dest, ETH_ALEN);
 
-        s->dev = dev;
+        s->dev   = dev;
         s->sock  = sock;
         s->role  = req->role;
         s->state = BT_CONNECTED;
@@ -568,6 +588,8 @@ int bnep_add_connection(struct bnep_connadd_req *req, struct socket *sock)
         bnep_set_default_proto_filter(s);
 #endif
 
+        SET_NETDEV_DEV(dev, bnep_get_device(s));
+
         err = register_netdev(dev);
         if (err) {
                 goto failed;
diff --git a/net/bluetooth/hidp/core.c b/net/bluetooth/hidp/core.c
index c6e3a2c27c6e..03b5dadb4951 100644
--- a/net/bluetooth/hidp/core.c
+++ b/net/bluetooth/hidp/core.c
@@ -40,6 +40,7 @@
 #include <linux/input.h>
 
 #include <net/bluetooth/bluetooth.h>
+#include <net/bluetooth/hci_core.h>
 #include <net/bluetooth/l2cap.h>
 
 #include "hidp.h"
@@ -528,6 +529,26 @@ static int hidp_session(void *arg)
         return 0;
 }
 
+static struct device *hidp_get_device(struct hidp_session *session)
+{
+        bdaddr_t *src = &bt_sk(session->ctrl_sock->sk)->src;
+        bdaddr_t *dst = &bt_sk(session->ctrl_sock->sk)->dst;
+        struct hci_dev *hdev;
+        struct hci_conn *conn;
+
+        hdev = hci_get_route(dst, src);
+        if (!hdev)
+                return NULL;
+
+        conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, dst);
+        if (!conn)
+                return NULL;
+
+        hci_dev_put(hdev);
+
+        return &conn->dev;
+}
+
 static inline void hidp_setup_input(struct hidp_session *session, struct hidp_connadd_req *req)
 {
         struct input_dev *input = session->input;
@@ -566,6 +587,8 @@ static inline void hidp_setup_input(struct hidp_session *session, struct hidp_co
                 input->relbit[0] |= BIT(REL_WHEEL);
         }
 
+        input->cdev.dev = hidp_get_device(session);
+
         input->event = hidp_input_event;
 
         input_register_device(input);
diff --git a/net/bluetooth/rfcomm/tty.c b/net/bluetooth/rfcomm/tty.c
index bd8d671a0ba6..26f322737db0 100644
--- a/net/bluetooth/rfcomm/tty.c
+++ b/net/bluetooth/rfcomm/tty.c
@@ -38,6 +38,7 @@
 #include <linux/skbuff.h>
 
 #include <net/bluetooth/bluetooth.h>
+#include <net/bluetooth/hci_core.h>
 #include <net/bluetooth/rfcomm.h>
 
 #ifndef CONFIG_BT_RFCOMM_DEBUG
@@ -161,6 +162,24 @@ static inline struct rfcomm_dev *rfcomm_dev_get(int id)
         return dev;
 }
 
+static struct device *rfcomm_get_device(struct rfcomm_dev *dev)
+{
+        struct hci_dev *hdev;
+        struct hci_conn *conn;
+
+        hdev = hci_get_route(&dev->dst, &dev->src);
+        if (!hdev)
+                return NULL;
+
+        conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &dev->dst);
+        if (!conn)
+                return NULL;
+
+        hci_dev_put(hdev);
+
+        return &conn->dev;
+}
+
 static int rfcomm_dev_add(struct rfcomm_dev_req *req, struct rfcomm_dlc *dlc)
 {
         struct rfcomm_dev *dev;
@@ -244,7 +263,7 @@ out:
                 return err;
         }
 
-        tty_register_device(rfcomm_tty_driver, dev->id, NULL);
+        tty_register_device(rfcomm_tty_driver, dev->id, rfcomm_get_device(dev));
 
         return dev->id;
 }