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SubjectRe: solos-pci.c: Fix me
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On Mon, Jul 21, 2014 at 2:18 PM, chas williams - CONTRACTOR
<chas@cmf.nrl.navy.mil> wrote:
> On Mon, 21 Jul 2014 13:42:01 -0400
> Nick Krause <xerofoify@gmail.com> wrote:
>
>> On Mon, Jul 21, 2014 at 9:14 AM, chas williams - CONTRACTOR
>> <chas@cmf.nrl.navy.mil> wrote:
> ...
>> > @@ -850,8 +850,7 @@ static void solos_bh(unsigned long card_arg)
>> > dev_kfree_skb_any(skb);
>> > break;
>> >
>> > - case PKT_COMMAND:
>> > - default: /* FIXME: Not really, surely? */
>> > + default: /* PKT_COMMAND */
>> > if (process_command(card, port, skb))
>> > break;power
>> > spin_lock(&card->cli_queue_lock);
>> >
>> > and be done with it since that will preserve existing behavior.
>>
>>
>> My only question then is this function causing bugs as is?
>> Cheers Nick
>>
>
> It has been there since the first version of this driver was released.
> If it were breaking things, I would have to guess it would have been
> noticed by now.
>
> Just looking at the PKT_* defines, I would wildly guess that PKT_COMMAND
> PKT_POPEN and PKT_PCLOSE are all being handled via the PKT_COMMAND|default
> case. If not, popen and pclose would be leaking a skb for each usage
> (which would be opening and closing the PVC -- not very often).
>
> popen and pclose just seem like specialized PKT_COMMAND types.
> process_command() woud ignore PKT_POPEN and PKT_PCLOSE since they aren't
> long enough to contain a command. So maybe the comment should just go
> away.
>
> If you had access to hardware you could probably figure this out pretty
> quickly. The programmer's manual doesn't seem to be available.


Seems based on your ideas , I can remove this FIX ME. I will send a patch
doing this.
Cheers Nick


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