Re: [PATCH 1/1] hso: fix problem with wrong status code sent by OPTION GTM601 during RING indication
From: Dr. H. Nikolaus Schaller
Date: Fri Oct 04 2013 - 02:23:00 EST
Am 03.10.2013 um 22:00 schrieb David Miller:
> From: "Dr. H. Nikolaus Schaller" <hns@xxxxxxxxxxxxx>
> Date: Thu, 3 Oct 2013 21:40:34 +0200
>
>> I have made the bug observation from debug log that this bit is set in a response
>> each time the modem has a RING message. It might be specific to this modem
>> and firmware version, i.e. a firmware bug. But we have no means to verify or even
>> change it in the firmware.
>>
>> I.e. the driver must handle it in a better way.
>>
>> Because the notification is rejected by the driver, the driver will hang up and the
>> whole modem connection breaks down.
>>
>> With this patch, the problem was never observed again in ~2 years.
>>
>> I'd hope the maintainer of this driver can shed some light on it.
>
> I think if you suspect the bit is set in response to RING messages
> then you should define a macro so that the number is not just magic,
> and put a descriptrive comment above the macro definition for that
> bit.
Good idea! I will resend the patch.
--- hns--
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