rtlwifi: Fix some warnings/bugs

Some compiler/architecture combinations generate some warnings that are
not seen on my main system. Two of the "warnings" about unitialized variables
are really bugs.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

3 files changed, 3 insertions, 3 deletions

diff --git a/drivers/net/wireless/rtlwifi/efuse.c b/drivers/net/wireless/rtlwifi/efuse.c
index f74a8701c67d..590f14f45a89 100644
--- a/drivers/net/wireless/rtlwifi/efuse.c
+++ b/drivers/net/wireless/rtlwifi/efuse.c
@@ -685,7 +685,7 @@ static int efuse_pg_packet_read(struct ieee80211_hw *hw, u8 offset, u8 *data)
 
         u8 efuse_data, word_cnts = 0;
         u16 efuse_addr = 0;
-        u8 hworden;
+        u8 hworden = 0;
         u8 tmpdata[8];
 
         if (data == NULL)
diff --git a/drivers/net/wireless/rtlwifi/rtl8192c/fw_common.c b/drivers/net/wireless/rtlwifi/rtl8192c/fw_common.c
index 5ef91374b230..28a6ce3bc239 100644
--- a/drivers/net/wireless/rtlwifi/rtl8192c/fw_common.c
+++ b/drivers/net/wireless/rtlwifi/rtl8192c/fw_common.c
@@ -303,7 +303,7 @@ static void _rtl92c_fill_h2c_command(struct ieee80211_hw *hw,
         u16 box_reg, box_extreg;
         u8 u1b_tmp;
         bool isfw_read = false;
-        u8 buf_index;
+        u8 buf_index = 0;
         bool bwrite_sucess = false;
         u8 wait_h2c_limmit = 100;
         u8 wait_writeh2c_limmit = 100;
diff --git a/drivers/net/wireless/rtlwifi/usb.c b/drivers/net/wireless/rtlwifi/usb.c
index a4b2613d6a8c..f5d85735d642 100644
--- a/drivers/net/wireless/rtlwifi/usb.c
+++ b/drivers/net/wireless/rtlwifi/usb.c
@@ -246,7 +246,7 @@ static void _rtl_usb_io_handler_init(struct device *dev,
 
 static void _rtl_usb_io_handler_release(struct ieee80211_hw *hw)
 {
-        struct rtl_priv *rtlpriv = rtl_priv(hw);
+        struct rtl_priv __maybe_unused *rtlpriv = rtl_priv(hw);
 
         mutex_destroy(&rtlpriv->io.bb_mutex);
 }