diff options
| author | Johan Hedberg <johan.hedberg@intel.com> | 2014-03-14 09:53:50 +0100 |
|---|---|---|
| committer | Marcel Holtmann <marcel@holtmann.org> | 2014-03-14 17:05:24 +0100 |
| commit | fdcc4beccb52f752799978c4da0dcd0faadbdcd4 (patch) | |
| tree | 85a9c2dca5a92f155ba27c1b284dba3d2581ce69 /net/bluetooth | |
| parent | Bluetooth: make sure 6LOWPAN_IPHC is built-in if needed (diff) | |
| download | linux-fdcc4beccb52f752799978c4da0dcd0faadbdcd4.tar.xz linux-fdcc4beccb52f752799978c4da0dcd0faadbdcd4.zip | |
Bluetooth: Fix updating SMP remote key distribution information
When performing pairing using SMP the remote may clear any key
distribution bits it wants in its pairing response. We must therefore
update our local variable accordingly, otherwise we might get stuck
waiting for keys that will never come.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Diffstat (limited to 'net/bluetooth')
| -rw-r--r-- | net/bluetooth/smp.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/net/bluetooth/smp.c b/net/bluetooth/smp.c index 74a17cf91b26..8a1b1bf79555 100644 --- a/net/bluetooth/smp.c +++ b/net/bluetooth/smp.c @@ -748,6 +748,11 @@ static u8 smp_cmd_pairing_rsp(struct l2cap_conn *conn, struct sk_buff *skb) smp->prsp[0] = SMP_CMD_PAIRING_RSP; memcpy(&smp->prsp[1], rsp, sizeof(*rsp)); + /* Update remote key distribution in case the remote cleared + * some bits that we had enabled in our request. + */ + smp->remote_key_dist &= rsp->resp_key_dist; + if ((req->auth_req & SMP_AUTH_BONDING) && (rsp->auth_req & SMP_AUTH_BONDING)) auth = SMP_AUTH_BONDING; |