staging: rtl8192e: Remove ant_pwr_diff which is always zero

ant_pwr_diff is set to zero and then masked which will always result in
zero. Remove ant_pwr_diff and use zero direct as it is just useless
code.

Signed-off-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/a550004dcdeb9e0b716f69033a541457c1f12c86.1674244819.git.philipp.g.hortmann@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/rtl8192e/rtl8192e/r8192E_phy.c b/drivers/staging/rtl8192e/rtl8192e/r8192E_phy.c
index 33e3435..c969c40 100644 (file)
--- a/drivers/staging/rtl8192e/rtl8192e/r8192E_phy.c
+++ b/drivers/staging/rtl8192e/rtl8192e/r8192E_phy.c
@@ -586,7 +586,6 @@ void rtl92e_set_tx_power(struct net_device *dev, u8 channel)
 {
        struct r8192_priv *priv = rtllib_priv(dev);
        u8      powerlevel = 0, powerlevelOFDM24G = 0;
-       s8      ant_pwr_diff;
        u32     u4RegValue;
 
        if (priv->epromtype == EEPROM_93C46) {
@@ -600,12 +599,8 @@ void rtl92e_set_tx_power(struct net_device *dev, u8 channel)
                        powerlevel = 0;
                        powerlevelOFDM24G = 0;
 
-                       ant_pwr_diff = 0;
-
-                       ant_pwr_diff &= 0xf;
-
                        priv->antenna_tx_pwr_diff[2] = 0;
-                       priv->antenna_tx_pwr_diff[1] = (u8)(ant_pwr_diff);
+                       priv->antenna_tx_pwr_diff[1] = 0;
                        priv->antenna_tx_pwr_diff[0] = 0;
 
                        u4RegValue = priv->antenna_tx_pwr_diff[2] << 8 |