1 files changed, 17 insertions, 0 deletions

diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index 071c0df118d5..7450626b7704 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -2928,6 +2928,23 @@ unlock:
         hci_dev_unlock(hdev);
 }
 
+static inline size_t eir_get_length(u8 *eir, size_t eir_len)
+{
+        size_t parsed = 0;
+
+        while (parsed < eir_len) {
+                u8 field_len = eir[0];
+
+                if (field_len == 0)
+                        return parsed;
+
+                parsed += field_len + 1;
+                eir += field_len + 1;
+        }
+
+        return eir_len;
+}
+
 static void hci_extended_inquiry_result_evt(struct hci_dev *hdev,
                                             struct sk_buff *skb)
 {