From: Christian Lamparter <chunkeey@googlemail.com>
Date: Sat, 25 Feb 2012 20:36:36 +0000 (+0100)
Subject: carl9170: fix frame delivery if sta is in powersave mode
X-Git-Tag: v3.3-rc7~11^2~10^2^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9926a67557532acb6cddb1c1add02952175b5c72;p=pandora-kernel.git

carl9170: fix frame delivery if sta is in powersave mode

Nicolas Cavallari discovered that carl9170 has some
serious problems delivering data to sleeping stations.

It turns out that the driver was not honoring two
important flags (IEEE80211_TX_CTL_POLL_RESPONSE and
IEEE80211_TX_CTL_CLEAR_PS_FILT) which are set on
frames that should be sent although the receiving
station is still in powersave mode.

Cc: stable <stable@vger.kernel.org>
Reported-by: Nicolas Cavallari <Nicolas.Cavallari@lri.fr>
Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---

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