Re: [PATCH BlueZ 02/14] mgmt: print error message when start_discovery fails

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Hi Joao,

On Fri, Jul 27, 2012 at 6:29 PM, João Paulo Rechi Vita
<jprvita@xxxxxxxxxxxxx> wrote:
> If we fail to communicate with the MGMT socket is better to print the
> error message on the mgmtops plugin, where it really happened, instead
> of leaving this job to its users.
> ---
>  src/adapter.c |    6 +-----
>  src/mgmt.c    |    7 +++++--
>  2 files changed, 6 insertions(+), 7 deletions(-)
>
> diff --git a/src/adapter.c b/src/adapter.c
> index c9c82e3..5dd9821 100644
> --- a/src/adapter.c
> +++ b/src/adapter.c
> @@ -997,13 +997,9 @@ struct btd_device *adapter_get_device(DBusConnection *conn,
>  static gboolean discovery_cb(gpointer user_data)
>  {
>         struct btd_adapter *adapter = user_data;
> -       int err;
>
>         adapter->discov_id = 0;
> -
> -       err = mgmt_start_discovery(adapter->dev_id);
> -       if (err < 0)
> -               error("start_discovery: %s (%d)", strerror(-err), -err);
> +       mgmt_start_discovery(adapter->dev_id);
>
>         return FALSE;
>  }
> diff --git a/src/mgmt.c b/src/mgmt.c
> index c55b1a8..d73cf2a 100644
> --- a/src/mgmt.c
> +++ b/src/mgmt.c
> @@ -1961,8 +1961,11 @@ int mgmt_start_discovery(int index)
>
>         cp->type = info->discov_type;
>
> -       if (write(mgmt_sock, buf, sizeof(buf)) < 0)
> -               return -errno;
> +       if (write(mgmt_sock, buf, sizeof(buf)) < 0) {
> +               int err = -errno;
> +               error("failed to write to MGMT socket: %s", strerror(err));

I think this should be "strerror(-err)".

> +               return err;
> +       }
>
>         return 0;
>  }

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