wifi: rtlwifi: remove unreachable code in rtl92d_dm_check_edca_turbo()

Since '!(0x5ea42b & 0xffff0000)' is always false, remove unreachable
block in 'rtl92d_dm_check_edca_turbo()' and convert EDCA limits to
constant variables. Compile tested only.

Found by Linux Verification Center (linuxtesting.org) with SVACE.

Signed-off-by: Dmitry Antipov <dmantipov@yandex.ru>
Acked-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20231003043318.11370-1-dmantipov@yandex.ru

diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8192de/dm.c b/drivers/net/wireless/realtek/rtlwifi/rtl8192de/dm.c
index 6cc9c7649edae03ac5d87de015dccc0c66465c19..cf4aca83bd05504d7da143ff84e5b226622e1631 100644 (file)
--- a/drivers/net/wireless/realtek/rtlwifi/rtl8192de/dm.c
+++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192de/dm.c
@@ -592,32 +592,18 @@ static void rtl92d_dm_check_edca_turbo(struct ieee80211_hw *hw)
 {
        struct rtl_priv *rtlpriv = rtl_priv(hw);
        struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
+       const u32 edca_be_ul = 0x5ea42b;
+       const u32 edca_be_dl = 0x5ea42b;
        static u64 last_txok_cnt;
        static u64 last_rxok_cnt;
        u64 cur_txok_cnt;
        u64 cur_rxok_cnt;
-       u32 edca_be_ul = 0x5ea42b;
-       u32 edca_be_dl = 0x5ea42b;
 
        if (mac->link_state != MAC80211_LINKED) {
                rtlpriv->dm.current_turbo_edca = false;
                goto exit;
        }
 
-       /* Enable BEQ TxOP limit configuration in wireless G-mode. */
-       /* To check whether we shall force turn on TXOP configuration. */
-       if ((!rtlpriv->dm.disable_framebursting) &&
-           (rtlpriv->sec.pairwise_enc_algorithm == WEP40_ENCRYPTION ||
-           rtlpriv->sec.pairwise_enc_algorithm == WEP104_ENCRYPTION ||
-           rtlpriv->sec.pairwise_enc_algorithm == TKIP_ENCRYPTION)) {
-               /* Force TxOP limit to 0x005e for UL. */
-               if (!(edca_be_ul & 0xffff0000))
-                       edca_be_ul |= 0x005e0000;
-               /* Force TxOP limit to 0x005e for DL. */
-               if (!(edca_be_dl & 0xffff0000))
-                       edca_be_dl |= 0x005e0000;
-       }
-
        if ((!rtlpriv->dm.is_any_nonbepkts) &&
            (!rtlpriv->dm.disable_framebursting)) {
                cur_txok_cnt = rtlpriv->stats.txbytesunicast - last_txok_cnt;