diff options
| -rw-r--r-- | net/bluetooth/smp.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/net/bluetooth/smp.c b/net/bluetooth/smp.c index 55c41de2f5a0..a17761c83820 100644 --- a/net/bluetooth/smp.c +++ b/net/bluetooth/smp.c @@ -391,10 +391,12 @@ static const u8 gen_method[5][5] = { static u8 get_auth_method(struct smp_chan *smp, u8 local_io, u8 remote_io) { - /* If either side has unknown io_caps, use JUST WORKS */ + /* If either side has unknown io_caps, use JUST_CFM (which gets + * converted later to JUST_WORKS if we're initiators. + */ if (local_io > SMP_IO_KEYBOARD_DISPLAY || remote_io > SMP_IO_KEYBOARD_DISPLAY) - return JUST_WORKS; + return JUST_CFM; return gen_method[remote_io][local_io]; } @@ -414,10 +416,14 @@ static int tk_request(struct l2cap_conn *conn, u8 remote_oob, u8 auth, BT_DBG("tk_request: auth:%d lcl:%d rem:%d", auth, local_io, remote_io); - /* If neither side wants MITM, use JUST WORKS */ - /* Otherwise, look up method from the table */ + /* If neither side wants MITM, either "just" confirm an incoming + * request or use just-works for outgoing ones. The JUST_CFM + * will be converted to JUST_WORKS if necessary later in this + * function. If either side has MITM look up the method from the + * table. + */ if (!(auth & SMP_AUTH_MITM)) - method = JUST_WORKS; + method = JUST_CFM; else method = get_auth_method(smp, local_io, remote_io); |