linux/drivers/net/wireless/marvell
Shengzhen Li eb2428fb1a mwifiex: check tx_hw_pending before downloading sleep confirm
We may get SLEEP event from firmware even if TXDone interrupt
for last Tx packet is still pending. In this case, we may
end up accessing PCIe memory for handling TXDone after power
save handshake is completed. This causes kernel crash with
external abort.

This patch will only allow downloading sleep confirm
when no tx done interrupt is pending in the hardware.

Signed-off-by: Cathy Luo <cluo@marvell.com>
Signed-off-by: Shengzhen Li <szli@marvell.com>
Tested-by: Xinming Hu <huxm@marvell.com>
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Reviewed-by: Brian Norris <briannorris@chromium.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-11-19 09:18:46 +02:00
..
libertas net: deprecate eth_change_mtu, remove usage 2016-10-13 09:36:57 -04:00
libertas_tf net: wireless: marvell: libertas_tf: if_usb: don't print error when allocating urb fails 2016-08-13 14:53:41 -07:00
mwifiex mwifiex: check tx_hw_pending before downloading sleep confirm 2016-11-19 09:18:46 +02:00
Kconfig
Makefile
mwl8k.c cfg80211: remove enum ieee80211_band 2016-04-12 15:56:15 +02:00