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From: Sonny Sasaka <sonnysasaka@chromium.org>
To: Marcel Holtmann <marcel@holtmann.org>
Cc: BlueZ <linux-bluetooth@vger.kernel.org>
Subject: Re: [PATCH] Bluetooth: Handle Inquiry Cancel error after Inquiry Complete
Date: Tue, 12 May 2020 12:34:49 -0700	[thread overview]
Message-ID: <CAOxioNkY0pm-3xU0g1uouUsCUW6FhoUkAPUg5pcu+J9uanUuXw@mail.gmail.com> (raw)
In-Reply-To: <CAOxioNkYyVdOorRkZsvQjcLjuHgc0BJKqG--g30meO3F=Rv46g@mail.gmail.com>

Hi Marcel,

Could you take another look at my latest patch based on your feedback? Thanks.

On Wed, May 6, 2020 at 12:57 PM Sonny Sasaka <sonnysasaka@chromium.org> wrote:
>
> Hi Marcel,
>
> Please take a look at the modified patch based on your feedback. Thanks.
>
> On Tue, May 5, 2020 at 4:42 PM Marcel Holtmann <marcel@holtmann.org> wrote:
> >
> > Hi Sonny,
> >
> > > Could you take another look at my last proposal based on your
> > > suggestion? If we are to move the logic inside hci_cc_inquiry_cancel,
> > > we will need a way to update the status to the caller, for example by
> > > having hci_cc_inquiry_cancel return a value, or accept a pointer for
> > > the updated status value. Let me know which way you prefer.
> >
> > maybe something like this (missing comment of course):
> >
> > --- a/net/bluetooth/hci_event.c
> > +++ b/net/bluetooth/hci_event.c
> > @@ -42,14 +42,20 @@
> >
> >  /* Handle HCI Event packets */
> >
> > -static void hci_cc_inquiry_cancel(struct hci_dev *hdev, struct sk_buff *skb)
> > +static void hci_cc_inquiry_cancel(struct hci_dev *hdev, struct sk_buff *skb,
> > +                                 u8 *new_status)
> >  {
> >         __u8 status = *((__u8 *) skb->data);
> >
> >         BT_DBG("%s status 0x%2.2x", hdev->name, status);
> >
> > -       if (status)
> > +       if (status) {
> > +               if (!test_bit(HCI_INQUIRY, &hdev->flags) && status == 0x0c) {
> > +                       BT_DBG("Ignoring error of HCI Inquiry Cancel command");
> > +                       *new_status = 0x00;
> > +               }
> >                 return;
> > +       }
> >
> >         clear_bit(HCI_INQUIRY, &hdev->flags);
> >         smp_mb__after_atomic(); /* wake_up_bit advises about this barrier */
> > @@ -3233,7 +3239,7 @@ static void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb,
> >
> >         switch (*opcode) {
> >         case HCI_OP_INQUIRY_CANCEL:
> > -               hci_cc_inquiry_cancel(hdev, skb);
> > +               hci_cc_inquiry_cancel(hdev, skb, status);
> >                 break;
> >
> >         case HCI_OP_PERIODIC_INQ:
> >
> > Regards
> >
> > Marcel
> >

      reply	other threads:[~2020-05-12 19:35 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-04-28  5:11 Sonny Sasaka
2020-04-28  9:47 ` Marcel Holtmann
2020-04-28 17:25   ` Sonny Sasaka
2020-04-30 17:11     ` Sonny Sasaka
2020-05-05 23:42       ` Marcel Holtmann
2020-05-06 19:55         ` Sonny Sasaka
2020-05-13  7:34           ` Marcel Holtmann
2020-05-13 18:51             ` Sonny Sasaka
2020-05-06 19:57         ` Sonny Sasaka
2020-05-12 19:34           ` Sonny Sasaka [this message]

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