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

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

Signed-off-by: Gábor Stefanik <netrolller.3d@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

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 faca56f908ef..ca52fd5f38ce 100644
--- a/drivers/net/wireless/b43/phy_lp.c
+++ b/drivers/net/wireless/b43/phy_lp.c
@@ -1085,9 +1085,9 @@ 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;