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Groups > linux.kernel > #1496260

Re: Problem with VMAP_STACK=y

From Jörg Otte <jrg.otte@gmail.com>
Newsgroups linux.kernel
Subject Re: Problem with VMAP_STACK=y
Date 2016-10-06 10:40 +0200
Message-ID <spcnF-64l-73@gated-at.bofh.it> (permalink)
References (4 earlier) <soOY1-67p-13@gated-at.bofh.it> <soPho-6eP-11@gated-at.bofh.it> <soQn8-7dj-27@gated-at.bofh.it> <soZgJ-5b4-3@gated-at.bofh.it> <soZA5-5oJ-17@gated-at.bofh.it>
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2016-10-05 20:55 GMT+02:00 Mauro Carvalho Chehab <mchehab@s-opensource.com>:
> Hi Johannes,
>
> Em Wed, 5 Oct 2016 20:29:45 +0200
> Johannes Stezenbach <js@linuxtv.org> escreveu:
>
>> On Wed, Oct 05, 2016 at 06:04:50AM -0300, Mauro Carvalho Chehab wrote:
>> >  static int cinergyt2_frontend_attach(struct dvb_usb_adapter *adap)
>> >  {
>> > -   char query[] = { CINERGYT2_EP1_GET_FIRMWARE_VERSION };
>> > -   char state[3];
>> > +   struct dvb_usb_device *d = adap->dev;
>> > +   struct cinergyt2_state *st = d->priv;
>> >     int ret;
>> >
>> >     adap->fe_adap[0].fe = cinergyt2_fe_attach(adap->dev);
>> >
>> > -   ret = dvb_usb_generic_rw(adap->dev, query, sizeof(query), state,
>> > -                           sizeof(state), 0);
>>
>> it seems to miss this:
>>
>>       st->data[0] = CINERGYT2_EP1_GET_FIRMWARE_VERSION;
>>
>> > +   ret = dvb_usb_generic_rw(d, st->data, 1, st->data, 3, 0);
>> >     if (ret < 0) {
>> >             deb_rc("cinergyt2_power_ctrl() Failed to retrieve sleep "
>> >                     "state info\n");
>> > @@ -141,13 +147,14 @@ static int repeatable_keys[] = {
>> >  static int cinergyt2_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
>> >  {
>> >     struct cinergyt2_state *st = d->priv;
>> > -   u8 key[5] = {0, 0, 0, 0, 0}, cmd = CINERGYT2_EP1_GET_RC_EVENTS;
>> >     int i;
>> >
>> >     *state = REMOTE_NO_KEY_PRESSED;
>> >
>> > -   dvb_usb_generic_rw(d, &cmd, 1, key, sizeof(key), 0);
>> > -   if (key[4] == 0xff) {
>> > +   st->data[0] = CINERGYT2_EP1_SLEEP_MODE;
>>
>> should probably be
>>
>>       st->data[0] = CINERGYT2_EP1_GET_RC_EVENTS;
>>
>> > +
>> > +   dvb_usb_generic_rw(d, st->data, 1, st->data, 5, 0);
>>
>>
>> HTH,
>> Johannes
>
>
> Thanks for the review! Yeah, you're right: both firmware and remote
> controller logic would be broken without the above fixes.
>
> Just sent a version 2 of this patch to the ML with the above fixes.
>
> Regards,
> Mauro

Applied V2 of the patch. Unfortunately no progress.
No video, no error messages.

Jörg

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Thread

Problem with VMAP_STACK=y Jörg Otte <jrg.otte@gmail.com> - 2016-10-04 14:30 +0200
  Re: Problem with VMAP_STACK=y Jiri Kosina <jikos@kernel.org> - 2016-10-04 15:30 +0200
    Re: Problem with VMAP_STACK=y Jörg Otte <jrg.otte@gmail.com> - 2016-10-04 18:20 +0200
      Re: Problem with VMAP_STACK=y Jiri Kosina <jikos@kernel.org> - 2016-10-05 09:30 +0200
        Re: Problem with VMAP_STACK=y Patrick Boettcher <patrick.boettcher@posteo.de> - 2016-10-05 09:40 +0200
          Re: Problem with VMAP_STACK=y Jiri Kosina <jikos@kernel.org> - 2016-10-05 10:00 +0200
            Re: Problem with VMAP_STACK=y Mauro Carvalho Chehab <mchehab@s-opensource.com> - 2016-10-05 11:10 +0200
              Re: Problem with VMAP_STACK=y Mauro Carvalho Chehab <mchehab@s-opensource.com> - 2016-10-05 13:30 +0200
              Re: Problem with VMAP_STACK=y Jörg Otte <jrg.otte@gmail.com> - 2016-10-05 17:30 +0200
                Re: Problem with VMAP_STACK=y Andy Lutomirski <luto@amacapital.net> - 2016-10-05 18:00 +0200
                Re: Problem with VMAP_STACK=y Jörg Otte <jrg.otte@gmail.com> - 2016-10-05 18:50 +0200
                Re: Problem with VMAP_STACK=y Andy Lutomirski <luto@amacapital.net> - 2016-10-05 19:00 +0200
              Re: Problem with VMAP_STACK=y Johannes Stezenbach <js@linuxtv.org> - 2016-10-05 20:40 +0200
                Re: Problem with VMAP_STACK=y Mauro Carvalho Chehab <mchehab@s-opensource.com> - 2016-10-05 21:00 +0200
                Re: Problem with VMAP_STACK=y Jörg Otte <jrg.otte@gmail.com> - 2016-10-06 10:40 +0200
                Re: Problem with VMAP_STACK=y Mauro Carvalho Chehab <mchehab@s-opensource.com> - 2016-10-06 19:20 +0200
                Re: Problem with VMAP_STACK=y Jiri Kosina <jikos@kernel.org> - 2016-10-07 10:00 +0200
                Re: Problem with VMAP_STACK=y Mauro Carvalho Chehab <mchehab@s-opensource.com> - 2016-10-07 13:20 +0200
    dvb-usb stack-memory used for URB-buffers (was: Re: Problem with  VMAP_STACK=y) Patrick Boettcher <patrick.boettcher@posteo.de> - 2016-10-05 09:50 +0200

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