Re: [PATCH] Bluetooth: Fix flags of mgmt_device_found event

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Hi Gustavo,

On Fri, Jun 1, 2012 at 7:13 PM, Gustavo Padovan <gustavo@xxxxxxxxxxx> wrote:
> Jefferson,
>
> * Jefferson Delfes <jefferson.delfes@xxxxxxxxxxxxx> [2012-06-01 15:05:25 -0400]:
>
>> Change flags field to matches userspace structure.
>> This field needs to be converted to little endian before forward it.
>>
>> Signed-off-by: Jefferson Delfes <jefferson.delfes@xxxxxxxxxxxxx>
>> ---
>>  include/net/bluetooth/mgmt.h |    2 +-
>>  net/bluetooth/mgmt.c         |    5 +++--
>>  2 files changed, 4 insertions(+), 3 deletions(-)
>>
>> diff --git a/include/net/bluetooth/mgmt.h b/include/net/bluetooth/mgmt.h
>> index ebfd91f..3a8a714 100644
>> --- a/include/net/bluetooth/mgmt.h
>> +++ b/include/net/bluetooth/mgmt.h
>> @@ -435,7 +435,7 @@ struct mgmt_ev_auth_failed {
>>  struct mgmt_ev_device_found {
>>       struct mgmt_addr_info addr;
>>       __s8    rssi;
>> -     __u8    flags[4];
>> +     __le32  flags;
>
> Seems we are breaking API here, MGMT API is stable now and should have such
> kind of change. However I wanna see what Marcel and Johan has to say about
> this.
>
>        Gustavo

As Johan pointed, we send the same bytes in same order. This patch
just copy userspace changes in mgmt_ev_device_found structure. There
was a possible bug on big endian in userspace, but it was fixed in
previous patch.

Thanks.
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