diff options
| author | Johan Hedberg <johan.hedberg@intel.com> | 2014-07-16 16:09:13 +0400 |
|---|---|---|
| committer | Marcel Holtmann <marcel@holtmann.org> | 2014-07-17 13:43:06 +0400 |
| commit | 02f3e25457915728624b976b0382601b5605ad64 (patch) | |
| tree | 266106d60c4dea230f27155631434d3c80e7ab4e /net/bluetooth/smp.c | |
| parent | 9f743d7499bc2c4dc8c35af33bdb2a29bea663b9 (diff) | |
| download | linux-02f3e25457915728624b976b0382601b5605ad64.tar.xz | |
Bluetooth: Don't bother user space without IO capabilities
If user space has a NoInputNoOutput IO capability it makes no sense to
bother it with confirmation requests. This patch updates both SSP and
SMP to check for the local IO capability before sending a user
confirmation request to user space.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Diffstat (limited to 'net/bluetooth/smp.c')
| -rw-r--r-- | net/bluetooth/smp.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/net/bluetooth/smp.c b/net/bluetooth/smp.c index 70b726518d7b..74a0308e39f3 100644 --- a/net/bluetooth/smp.c +++ b/net/bluetooth/smp.c @@ -431,6 +431,10 @@ static int tk_request(struct l2cap_conn *conn, u8 remote_oob, u8 auth, if (method == JUST_CFM && test_bit(SMP_FLAG_INITIATOR, &smp->flags)) method = JUST_WORKS; + /* Don't bother user space with no IO capabilities */ + if (method == JUST_CFM && hcon->io_capability == HCI_IO_NO_INPUT_OUTPUT) + method = JUST_WORKS; + /* If Just Works, Continue with Zero TK */ if (method == JUST_WORKS) { set_bit(SMP_FLAG_TK_VALID, &smp->flags); |