[PATCH 1/1] rtlwifi: rtl8723be: avoid undefined behavior

[Heinrich Schuchardt]

Do not return undefined value for transmission power
if the rate is invalid.

Signed-off-by: Heinrich Schuchardt <xypron.g...@gmx.de>
---
 drivers/net/wireless/realtek/rtlwifi/rtl8723be/phy.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8723be/phy.c 
b/drivers/net/wireless/realtek/rtlwifi/rtl8723be/phy.c
index 445f681..c5ca9df 100644
--- a/drivers/net/wireless/realtek/rtlwifi/rtl8723be/phy.c
+++ b/drivers/net/wireless/realtek/rtlwifi/rtl8723be/phy.c
@@ -1019,7 +1019,7 @@ static u8 _rtl8723be_get_txpower_index(struct 
ieee80211_hw *hw, u8 path,
        struct rtl_priv *rtlpriv = rtl_priv(hw);
        struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
        u8 index = (channel - 1);
-       u8 txpower;
+       u8 txpower = 0;
        u8 power_diff_byrate = 0;
 
        if (channel > 14 || channel < 1) {
-- 
2.1.4