diff --git a/net/bluetooth/hci_sock.c b/net/bluetooth/hci_sock.c
index b614543..bf5365c 100644
--- a/net/bluetooth/hci_sock.c
+++ b/net/bluetooth/hci_sock.c
@@ -47,8 +47,19 @@
 	struct hci_filter filter;
 	__u32             cmsg_mask;
 	unsigned short    channel;
+	unsigned long     flags;
 };
 
+void hci_sock_set_flag(struct sock *sk, int nr)
+{
+	set_bit(nr, &hci_pi(sk)->flags);
+}
+
+void hci_sock_clear_flag(struct sock *sk, int nr)
+{
+	clear_bit(nr, &hci_pi(sk)->flags);
+}
+
 static inline int hci_test_bit(int nr, const void *addr)
 {
 	return *((const __u32 *) addr + (nr >> 5)) & ((__u32) 1 << (nr & 31));