[PATCH] ipw2100: Make iwconfig txpower setting consistent with user input

Signed-off-by: Hong Liu <hong.liu@intel.com>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/drivers/net/wireless/ipw2100.c b/drivers/net/wireless/ipw2100.c
index b73af7789588734b63d8c2c6ab1c09e47a679f76..80bfc1cf142f7cb2804a40e533b572dc23a0cc48 100644 (file)
--- a/drivers/net/wireless/ipw2100.c
+++ b/drivers/net/wireless/ipw2100.c
@@ -5107,12 +5107,13 @@ static int ipw2100_set_tx_power(struct ipw2100_priv *priv, u32 tx_power)
                .host_command_length = 4
        };
        int err = 0;
+       u32 tmp = tx_power;
 
        if (tx_power != IPW_TX_POWER_DEFAULT)
-               tx_power = (tx_power - IPW_TX_POWER_MIN_DBM) * 16 /
-                   (IPW_TX_POWER_MAX_DBM - IPW_TX_POWER_MIN_DBM);
+               tmp = (tx_power - IPW_TX_POWER_MIN_DBM) * 16 /
+                     (IPW_TX_POWER_MAX_DBM - IPW_TX_POWER_MIN_DBM);
 
-       cmd.host_command_parameters[0] = tx_power;
+       cmd.host_command_parameters[0] = tmp;
 
        if (priv->ieee->iw_mode == IW_MODE_ADHOC)
                err = ipw2100_hw_send_command(priv, &cmd);