From: Johannes Berg <johannes.berg@intel.com>
Date: Mon, 5 Mar 2012 19:24:37 +0000 (-0800)
Subject: iwlwifi: use ieee80211_tx_status
X-Git-Tag: v3.4-rc1~177^2~108^2~127
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2c6ab7ff8fa9af22a2a616656da6e5a0567da285;p=pandora-kernel.git

iwlwifi: use ieee80211_tx_status

We currently use the _irqsafe version, but that
isn't recommended together with ieee80211_rx()
as it can cause races. If the device reports
a TX-status and RX in that order then with the
current combination mac80211 might process them
in the other order, which can cause issues with
powersaving clients.

Use ieee80211_tx_status() to avoid this race.
Since we don't want to call it with locks held,
process the frame queues later -- this is fine
as they are on the stack.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---

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