Hi Keith,
* Gustavo Padovan <gustavo@xxxxxxxxxxx> [2012-03-30 03:54:56 -0300]:
> Hi Keith,
>
> * Keith Packard <keithp@xxxxxxxxxx> [2012-03-28 19:35:44 -0700]:
>
> > <#part sign=pgpmime>
> > On Wed, 28 Mar 2012 23:28:39 -0300, Gustavo Padovan <gustavo@xxxxxxxxxxx> wrote:
> >
> > > A consequence is that you'll need to use newer version of bluez, at least 4.99.
> > > Or call the bluetooth daemon (from a pre 4.99 version) with a parameter to
> > > disable the new interface:
> >
> > That's not OK -- you're breaking user space with this kernel change. I
> > know I get bashed every time I suggest that we 'fix' the kernel and
> > require new user space X bits...
>
> Can you try the following patch? It should fix the compatibility problem you had.
Did you had chance to test this patch?
Gustavo
>
> commit d21c1177b9cf067809ccee2746633cfea3a8b062
> Author: Gustavo Padovan <gustavo@xxxxxxxxxxx>
> Date: Thu Mar 29 09:47:53 2012 -0300
>
> Bluetooth: Fix userspace compatibility issue with mgmt interface
>
> To ensure that old user space versions do not accidentally pick up and
> try to use the management channel, use a different channel number.
>
> Reported-by: Keith Packard <keithp@xxxxxxxxxx>
> Acked-by: Johan Hedberg <johan.hedberg@xxxxxxxxx>
> Acked-by: Marcel Holtmann <marcel@xxxxxxxxxxxx>
> Signed-off-by: Gustavo Padovan <gustavo@xxxxxxxxxxx>
>
> diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h
> index 344b0f9..ba7f148 100644
> --- a/include/net/bluetooth/hci.h
> +++ b/include/net/bluetooth/hci.h
> @@ -1327,8 +1327,8 @@ struct sockaddr_hci {
> #define HCI_DEV_NONE 0xffff
>
> #define HCI_CHANNEL_RAW 0
> -#define HCI_CHANNEL_CONTROL 1
> #define HCI_CHANNEL_MONITOR 2
> +#define HCI_CHANNEL_CONTROL 3
>
> struct hci_filter {
> unsigned long type_mask;
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