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This patch fixes segmentation fault when the network registration
watch is called without being initialized. CIEV GAtChat callback can
be called before ofono_netreg_register().
==15101== Invalid read of size 8
==15101== at 0x492B56: ofono_netreg_register (network.c:2073)
==15101== by 0x47245E: hfp_netreg_probe (network-registration.c:311)
==15101== by 0x492A8D: ofono_netreg_create (network.c:1881)
==15101== by 0x4849D5: hfp_pre_sim (hfp_hf_bluez5.c:288)
==15101== by 0x48C486: ofono_modem_set_powered (modem.c:1194)
==15101== by 0x484E9D: slc_established (hfp_hf_bluez5.c:85)
==15101== by 0x4702AD: chld_cb (slc.c:147)
==15101== by 0x440457: at_chat_finish_command (gatchat.c:461)
==15101== by 0x44109F: new_bytes (gatchat.c:532)
==15101== by 0x4433B7: received_data (gatio.c:122)
==15101== by 0x3CBAA47824: g_main_context_dispatch (gmain.c:2539)
==15101== by 0x3CBAA47B57: g_main_context_iterate.isra.23
(gmain.c:3146)
==15101== Address 0x18 is not stack'd, malloc'd or (recently) free'd
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Some phones do not send the corresponding call state update (+CIEV)
after a successful release-and-swap operation (AT+CHLD=1).
This has been observed with a Nokia 500, while testing ReleaseAndSwap()
while an active and a held call exist:
ofonod[20414]: > AT+CLCC\r
ofonod[20414]: < \r\n+CLCC: 1,0,1,0,0,"<number1>",145\r\n
ofonod[20414]: < \r\n+CLCC: 2,0,0,0,0,"<number2>",145\r\n
ofonod[20414]: < \r\nOK\r\n
ofonod[20414]: > AT+CHLD=1\r
ofonod[20414]: < \r\nOK\r\n
After this, no +CIEV is received, but the call has been hung up.
The proposed approach to solve this consists of using AT+CLCC, unless
a call release has been received within a specific time period.
The result fixes the problem as can be seen below:
ofonod[20847]: < \r\n+CLCC: 1,0,1,0,0,"<number1>",145\r\n
ofonod[20847]: < \r\n+CLCC: 2,0,0,0,0,"<number2>",145\r\n
ofonod[20847]: < \r\nOK\r\n
ofonod[20847]: > AT+CHLD=1\r
ofonod[20847]: < \r\nOK\r\n
ofonod[20847]: > AT+CLCC\r
ofonod[20847]: < \r\n+CLCC: 1,0,0,0,0,"<number1>",145\r\n
ofonod[20847]: < \r\nOK\r\n
ofonod[20847]: < \r\n+CIEV: 5,2\r\n
ofonod[20847]: < \r\n+CIEV: 5,0\r\n
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While processing the result of AT+CLCC, process the differences in a way
that disconnections are reported first, then call state changes and
finally new calls.
The goal is to avoid unnecessary transitional states such as two active
calls existing at the same time.
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Define a helper function in order to use foreach statements when
ofono_voicecall_notify() needs to be called.
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Right now, only the mandatory CVSD codec is supported. The mSBC
mandatory codec is "temporarily" not supported.
The spec alows this, HFP 1.6 Spec Section 4.34.1 page 92: "If wide band
speech is supported then the mandatory codec (mSBC) shall be included
unless it is temporarily unavailable."
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Especially for Telit HE910 it is not enough to wait for
entering a PIN code.
If we do not wait for #QSS: 3, subsequent commands,
like +CMER will report SIM BUSY and the network registration
atom will be removed as a consequence.
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With commit 6ee21a3fc18460cc12dbddb3b7ec70e941fa4bbc
the usage DECLARE_FAILURE was removed.
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If device probe and removal happen in short succession, it's possible
that the idle handler registered in the probe function doesn't run before
the device is removed. In this case, the idle handler needs to be
unregistered so that it does not run and try to access the data that's
destroyed during the removal.
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We might have mis-interpreted how 27.007 intends for CBS to work. After
studying the implementation notes of the IMC 6260 modem, the spec intent
made a little bit more sense.
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During STK Set Up Call, we have modem-originated calls that do not go
through the core 'Dial' method. Make sure the calls are still detected
in this case.
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in the case of a PIN entry, XSIMSTATE of 7 (Ready to Attach) should
never occur
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For GET STATUS and READ BINARY variations, support appending of the
optional path in the CRSM command
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Encountered a problem of CME ERROR 14: SIM busy on Alcatel and Huawei modem.
The Huawei modem has a ^SIMST unsollicited sim state indication, but not all
Huawei modems support this.
So poll the SIM state, as was already done for ZTE modems.
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The Wavecom Q2XXX support broke in commit 72ce19bf3e87b5e73c053f7ea1.
This is because at_cpin_cb called decode_at_error with final and not
with OK. This lead to an error being set in the error variable and the
new code returns early when an error is set.
The addition of the terminator in at_sim_probe for Wavecom broke in
git commit ac524be99f8c72a2593e4ffcecad8beea7679e55 because
terminators can not be added on cloned chats.
Move the addition of the terminator from the atmodem to the wavecom
plugin. Use the same terminator for Q2XXX and the normal Wavecom
class. The WAVECOM terminator has been tested on a Q2XXX modem.
Apply the CPIN quirk for both WAVECOM and WAVECOM_Q2XXX inside the
sim.c file. Introduce needs_wavecom_sim_quirk to handle it for
WAVECOM and WAVECOM_Q2XXX.
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Voicecall answering in Mer/Nemomobile run on Nokia N9 will fail
unless call id is passed to modem.
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class is specified when querying the call barring status if
the class is not the default (7 - voice, data and fax)
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Only return from CPIN when the modem informs that the SIM is ready
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Telit neither supports '+CPSB' nor reports the data bearer through
'+CGREG'. It has its own +PSNT command.
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drivers/atmodem/sim.c: In function ‘at_pct_cb’:
drivers/atmodem/sim.c:872:2: error: ISO C90 forbids mixed declarations
and code
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