From: Gertjan van Wingerde <gwingerde@gmail.com>
Date: Wed, 30 Dec 2009 10:36:30 +0000 (+0100)
Subject: rt2x00: Properly request tx headroom for alignment operations.
X-Git-Tag: v2.6.33-rc5~71^2~13^2~10
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7a4a77b7771164d61ce702a588067d1e1d66db7c;p=pandora-kernel.git

rt2x00: Properly request tx headroom for alignment operations.

Current rt2x00 drivers may result in a "ieee80211_tx_status: headroom too
small" error message when a frame needs to be properly aligned before
transmitting it.
This is because the space needed to ensure proper alignment isn't
requested from mac80211.
Fix this by adding sufficient amount of alignment space to the amount
of headroom requested for TX frames.

Reported-by: David Ellingsworth <david@identd.dyndns.org>
Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com>
Acked-by: Ivo van Doorn <ivdoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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