switch (hw->conf.chandef.width) {
        case NL80211_CHAN_WIDTH_20_NOHT:
                ht = false;
+               /* fall through */
        case NL80211_CHAN_WIDTH_20:
                opmode |= BW_OPMODE_20MHZ;
                rtl8xxxu_write8(priv, REG_BW_OPMODE, opmode);
        switch (hw->conf.chandef.width) {
        case NL80211_CHAN_WIDTH_20_NOHT:
                ht = false;
+               /* fall through */
        case NL80211_CHAN_WIDTH_20:
                rf_mode_bw |= WMAC_TRXPTCL_CTL_BW_20;
                subchannel = 0;
                case 3:
                        priv->ep_tx_low_queue = 1;
                        priv->ep_tx_count++;
+                       /* fall through */
                case 2:
                        priv->ep_tx_normal_queue = 1;
                        priv->ep_tx_count++;
+                       /* fall through */
                case 1:
                        priv->ep_tx_high_queue = 1;
                        priv->ep_tx_count++;