1 files changed, 6 insertions, 0 deletions

diff --git a/net/bluetooth/smp.c b/net/bluetooth/smp.c
index 6f29430c29c4..a0150033e797 100644
--- a/net/bluetooth/smp.c
+++ b/net/bluetooth/smp.c
@@ -909,6 +909,12 @@ int smp_conn_security(struct hci_conn *hcon, __u8 sec_level)
 
         authreq = seclevel_to_authreq(sec_level);
 
+        /* hcon->auth_type is set by pair_device in mgmt.c. If the MITM
+         * flag is set we should also set it for the SMP request.
+         */
+        if ((hcon->auth_type & 0x01))
+                authreq |= SMP_AUTH_MITM;
+
         if (hcon->link_mode & HCI_LM_MASTER) {
                 struct smp_cmd_pairing cp;