Re: [PATCH 2/2] Revert "core: Add provision for terminating an ATT connection"

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Hi Arik,

On Thu, Mar 8, 2012 at 9:44 AM, Arik Nemtsov <arik@xxxxxxxxxx> wrote:
> This reverts commit f89a77478af78d41c80ab7605662382b9e4e1c36.
>
> This is not needed and actually introduces a bug. When the "Disconnect"
> API of device is called device->attrib is unref-ed via a watch set on
> G_IO_HUP. The channel is shutdown when the last reference is removed.
>
> The code introduced here shuts down the channel and prevents the watch
> from getting called. This means we leak a reference to device->attrib.
> This can cause a number of bad things. For example, if the device is
> temporary, it will never be freed, and we won't be able to pair to it
> again.
> ---
>  src/device.c |    8 --------
>  1 files changed, 0 insertions(+), 8 deletions(-)

While I agree with your explanation, we still need a way to for link
disconnection. There is a Disconnect command on mgmt API that may be
used for this (I suppose there is a similar one for hciops). This way
the HUP watches will be called because disconnection will be initiated
by the kernel.

Regards,
-- 
Anderson Lizardo
Instituto Nokia de Tecnologia - INdT
Manaus - Brazil
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