[MAC80211]: don't send invalid QoS frames
Kalle Valo noticed that QoS frames are sent with an invalid QoS control field; this is because we increase the header length but neither initialise the space nor actually have enough space in the header structure for the QoS control field. This patch fixes it by treating the QoS field specially and appending it explicitly, initialising it to zero. Signed-off-by: NJohannes Berg <johannes@sipsolutions.net> Acked-by: NMichael Wu <flamingice@sourmilk.net> Signed-off-by: NJohn W. Linville <linville@tuxdriver.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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