tree 873c06bd136f80dc2a57a06e086d6934c0daab9c
parent f96b08a7e6f69c0f0a576554df3df5b1b519c479
author Javier Cardona <javier@cozybit.com> 1326853066 -0800
committer John W. Linville <linville@tuxdriver.com> 1326915486 -0500

mac80211: Use the right headroom size for mesh mgmt frames

Use local->tx_headroom instad of local->hw.extra_tx_headroom.
local->tx_headroom is the max of hw.extra_tx_headroom required by the
driver and the headroom required by mac80211 for status reporting.  On
drivers where hw.extra_tx_headroom is smaller than what mac80211
requires (e.g. ath5k), we would not reserve sufficient buffer space to
report tx status.

Also, don't reserve local->tx_headroom + local->hw.extra_tx_headroom.

Reported-by: Simon Morgenthaler <s.morgenthaler@students.unibe.ch>
Reported-by: Kai Scharwies <kai@scharwies.de>
Signed-off-by: Javier Cardona <javier@cozybit.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>