[PATCH] b43: LP-PHY: Fix reading old mode in the set TX power control routine

["Gábor Stefanik" <netrolller.3d@gmail.com>]

Check the mode the hardware is in, not the mode we used the last time.

Signed-off-by: Gábor Stefanik <netrolller.3d@gmail.com>
---
Mark, please test if this fixes the TX power control WARN_ON you were seeing.

 drivers/net/wireless/b43/phy_lp.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/b43/phy_lp.c b/drivers/net/wireless/b43/phy_lp.c
index 292ee51..76457f7 100644
--- a/drivers/net/wireless/b43/phy_lp.c
+++ b/drivers/net/wireless/b43/phy_lp.c
@@ -1015,9 +1015,9 @@ static void lpphy_set_tx_power_control(struct b43_wldev *dev,
 	struct b43_phy_lp *lpphy = dev->phy.lp;
 	enum b43_lpphy_txpctl_mode oldmode;
 
-	oldmode = lpphy->txpctl_mode;
 	lpphy_read_tx_pctl_mode_from_hardware(dev);
-	if (lpphy->txpctl_mode == mode)
+	oldmode = lpphy->txpctl_mode;
+	if (oldmode == mode)
 		return;
 	lpphy->txpctl_mode = mode;
 
-- 
1.6.2.4