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Re: [PATCH] mac80211: Allow NO_ACK flag overwrite for injected frames

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On Thu, Sep 29, 2011 at 12:21 PM, Johannes Berg
<johannes@xxxxxxxxxxxxxxxx> wrote:
>> >> @@ -1257,7 +1265,7 @@ ieee80211_tx_prepare(struct ieee80211_sub_if_data *sdata,
>> >>               tx->flags |= IEEE80211_TX_UNICAST;
>> >>               if (unlikely(local->wifi_wme_noack_test))
>> >>                       info->flags |= IEEE80211_TX_CTL_NO_ACK;
>> >> -             else
>> >> +             else if (!(info->flags & IEEE80211_TX_CTL_NO_ACK))
>> >>                       info->flags &= ~IEEE80211_TX_CTL_NO_ACK;
>> >
>> > ??
>>
>> Don't remove the IEEE80211_TX_CTL_NO_ACK flag when it was set via radiotap.
>
> Well, ok, but the logic is:
>
> if (flag not set)
>        unset flag
>
> which is kinda useless, right?

Haha, right!

Since the tx info is always initialized to 0 the code was useless before
as well :) but now it is even more useless ...

I guess it was good for documentary purposes. Hence, I'll replace it with
a comment instead ...

Helmut
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