[PATCH 3.19.y-ckt 61/99] rtlwifi: Fix logic error in enter/exit power-save mode

From: Kamal Mostafa
Date: Thu Jul 07 2016 - 14:50:45 EST


3.19.8-ckt23 -stable review patch. If anyone has any objections, please let me know.

---8<------------------------------------------------------------

From: wang yanqing <udknight@xxxxxxxxx>

commit 873ffe154ae074c46ed2d72dbd9a2a99f06f55b4 upstream.

In commit a269913c52ad ("rtlwifi: Rework rtl_lps_leave() and
rtl_lps_enter() to use work queue"), the tests for enter/exit
power-save mode were inverted. With this change applied, the
wifi connection becomes much more stable.

Fixes: a269913c52ad ("rtlwifi: Rework rtl_lps_leave() and rtl_lps_enter() to use work queue")
Signed-off-by: Wang YanQing <udknight@xxxxxxxxx>
Acked-by: Larry Finger <Larry.Finger@xxxxxxxxxxxx>
Signed-off-by: Kalle Valo <kvalo@xxxxxxxxxxxxxx>
[ kamal: backport to 4.2-stable: files moved ]
Signed-off-by: Kamal Mostafa <kamal@xxxxxxxxxxxxx>
---
drivers/net/wireless/rtlwifi/base.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/rtlwifi/base.c b/drivers/net/wireless/rtlwifi/base.c
index af24869..339f94e 100644
--- a/drivers/net/wireless/rtlwifi/base.c
+++ b/drivers/net/wireless/rtlwifi/base.c
@@ -1587,9 +1587,9 @@ void rtl_watchdog_wq_callback(void *data)
if (((rtlpriv->link_info.num_rx_inperiod +
rtlpriv->link_info.num_tx_inperiod) > 8) ||
(rtlpriv->link_info.num_rx_inperiod > 2))
- rtl_lps_enter(hw);
- else
rtl_lps_leave(hw);
+ else
+ rtl_lps_enter(hw);
}

rtlpriv->link_info.num_rx_inperiod = 0;
--
2.7.4