tree feaecc367249ce155d4e851eddcb699f42a431bc
parent 2b0a53d51b5f263bb581bbdb40ebb9f7e09609b1
author Nicolas Cavallari <Nicolas.Cavallari@lri.fr> 1330012414 +0100
committer John W. Linville <linville@tuxdriver.com> 1330538931 -0500

carl9170: Fix memory accounting when sta is in power-save mode.

On Access Point mode, when transmitting a packet, if the destination
station is in powersave mode, we abort transmitting the packet to the
device queue, but we do not reclaim the allocated memory.  Given enough
packets, we can go in a state where there is no packet on the device
queue, but we think the device has no memory left, so no packet gets
transmitted, connections breaks and the AP stops working.

This undo the allocation done in the TX path when the station is in
power-save mode.

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