1 files changed, 23 insertions, 0 deletions

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);