Hi, On Tue, Oct 23, 2012 at 7:27 PM, Syam Sidhardhan <s.syam@xxxxxxxxxxx> wrote: > While waiting for the AT+BLDN asynchronous response, if RFCOMM got > disconnected, then respose will cause NULL pointer dereference. > > During headset disconnection, the headset state changes from > HEADSET_STATE_CONNECTED to HEADSET_STATE_DISCONNECTED along with > freeing the dev->headset. During the response, in telephony_generic_rsp > its dereferencing. > > Log: > bluetoothd[5573]: audio/headset.c:handle_event() Received AT+BLDN > bluetoothd[5573]: audio/telephony.c:telephony_last_dialed_number_req() > telephony-tizen: last dialed number request > bluetoothd[5573]: audio/telephony.c:dbus_method_call_send() + > bluetoothd[5573]: audio/telephony.c:dbus_method_call_send() - > bluetoothd[5573]: Endpoint replied with an error: org.freedesktop.DBus\ > .Error.NoReply > bluetoothd[5573]: audio/telephony.c:telephony_device_disconnected() > telephony-tizen: device 0x40439b60 disconnected > bluetoothd[5573]: audio/headset.c:headset_set_state() State changed > /org/bluez/5573/hci0/dev_BC_47_60_F5_88_89: > HEADSET_STATE_CONNECTED -> HEADSET_STATE_DISCONNECTED > bluetoothd[5573]: audio/media.c:headset_state_changed() > bluetoothd[5573]: audio/media.c:headset_state_changed() Clear endpoint > 0x40430620 > bluetoothd[5573]: audio/telephony.c:telephony_dial_number_reply() > redial_reply > bluetoothd[5573]: audio/telephony.c:telephony_dial_number_reply() > dial_reply reply: No Call log > --- > audio/headset.c | 3 +++ > 1 files changed, 3 insertions(+), 0 deletions(-) > > diff --git a/audio/headset.c b/audio/headset.c > index bd83a65..30d24cf 100644 > --- a/audio/headset.c > +++ b/audio/headset.c > @@ -689,6 +689,9 @@ static int telephony_generic_rsp(struct audio_device *device, cme_error_t err) > struct headset *hs = device->headset; > struct headset_slc *slc = hs->slc; > > + if (!slc) > + return -EIO; > + > if ((err != CME_ERROR_NONE) && slc->cme_enabled) > return headset_send(hs, "\r\n+CME ERROR: %d\r\n", err); > ping. Thanks, Syam -- To unsubscribe from this list: send the line "unsubscribe linux-bluetooth" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
