diff options
author | Gary S. Robertson <gary.robertson@linaro.org> | 2016-01-20 15:45:29 -0600 |
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committer | Gary S. Robertson <gary.robertson@linaro.org> | 2016-01-20 15:45:29 -0600 |
commit | 1d10e9e61dedad92bcf380a421d08f021e62ff1b (patch) | |
tree | 8e7641caa0710f4eba713a7f25de5eb314720993 /net/bluetooth/hidp | |
parent | d532db8c82faef41ad16e6db7a8459aa21f4a822 (diff) | |
parent | 9f41e6b222c4a04c7b46068df82842a6188b4a57 (diff) |
Merge tag 'lsk-v4.1-15.12' of http://git.linaro.org/kernel/linux-linaro-stable into linux-linaro-lng-v4.1linux-lng-4.1.14-2016.03linux-lng-4.1.14-2016.02linux-lng-4.1.14-2016.01linux-linaro-lng-v4.1
LSK 15.12 v4.1
Diffstat (limited to 'net/bluetooth/hidp')
-rw-r--r-- | net/bluetooth/hidp/core.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/net/bluetooth/hidp/core.c b/net/bluetooth/hidp/core.c index 9070dfd6b4ad..4a0015e16d4f 100644 --- a/net/bluetooth/hidp/core.c +++ b/net/bluetooth/hidp/core.c @@ -401,6 +401,20 @@ static void hidp_idle_timeout(unsigned long arg) { struct hidp_session *session = (struct hidp_session *) arg; + /* The HIDP user-space API only contains calls to add and remove + * devices. There is no way to forward events of any kind. Therefore, + * we have to forcefully disconnect a device on idle-timeouts. This is + * unfortunate and weird API design, but it is spec-compliant and + * required for backwards-compatibility. Hence, on idle-timeout, we + * signal driver-detach events, so poll() will be woken up with an + * error-condition on both sockets. + */ + + session->intr_sock->sk->sk_err = EUNATCH; + session->ctrl_sock->sk->sk_err = EUNATCH; + wake_up_interruptible(sk_sleep(session->intr_sock->sk)); + wake_up_interruptible(sk_sleep(session->ctrl_sock->sk)); + hidp_session_terminate(session); } |