[PATCH] ath10k: don't drop corrupted mgmt frames

Kalle Valo kvalo at qca.qualcomm.com
Tue Nov 25 01:24:26 PST 2014


Michal Kazior <michal.kazior at tieto.com> writes:

> On 25 November 2014 at 10:04, Kalle Valo <kvalo at qca.qualcomm.com> wrote:
>> Michal Kazior <michal.kazior at tieto.com> writes:
> [...]
>>> @@ -1394,12 +1396,19 @@ static bool ath10k_htt_rx_amsdu_allowed(struct ath10k *ar,
>>>               return false;
>>>       }
>>>
>>> +     is_mgmt = !!(rxd->attention.flags &
>>> +                  __cpu_to_le32(RX_ATTENTION_FLAGS_MGMT_TYPE));
>>> +     has_fcs_err = !!(rxd->attention.flags &
>>> +                      __cpu_to_le32(RX_ATTENTION_FLAGS_FCS_ERR));
>>
>> I think I asked this before in some other patch, but isn't '!!' operator
>> useless here? is_mgmt is a boolean so the compiler should convert it
>> correctly without '!!' anyway, right?
>
> If I remove `!!` I get:
>
>  warning: incorrect type in assignment (different base types)
>     expected bool [unsigned] [usertype] is_mgmt
>     got restricted __le32

Oh. Sorry, my bad.

> I could do a temporary `u32 attention` to get rid of the `!!`. You
> want me to update it?

Please don't, this is fine.

-- 
Kalle Valo



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