fix fallthrough errors

core/rtw_mlme_ext.c

@@ -260,6 +260,7 @@ void rtw_txpwr_init_regd(struct rf_ctl_t *rfctl)
 		);
 		if (rfctl->regd_name)
 			break;
+		/* fallthrough */
 	default:
 		rfctl->regd_name = regd_str(TXPWR_LMT_WW);
 		RTW_PRINT("assign %s for default case\n", regd_str(TXPWR_LMT_WW));
@@ -1344,7 +1345,7 @@ void mgt_dispatcher(_adapter *padapter, union recv_frame *precv_frame)
 			ptable->func = &OnAuth;
 		else
 			ptable->func = &OnAuthClient;
-	/* pass through */
+	/* fallthrough */
 	case WIFI_ASSOCREQ:
 	case WIFI_REASSOCREQ:
 		_mgt_dispatcher(padapter, ptable, precv_frame);

hal/hal_intf.c

@@ -1082,6 +1082,7 @@ s32 c2h_handler(_adapter *adapter, u8 id, u8 seq, u8 plen, u8 *payload)
 	case C2H_EXTEND:
 		sub_id = payload[0];
 		/* no handle, goto default */
+	/* fallthrough */
 
 	default:
 		if (phydm_c2H_content_parsing(adapter_to_phydm(adapter), id, plen, payload) != TRUE)

hal/halmac/halmac_88xx/halmac_common_88xx.c

@@ -535,6 +535,7 @@ set_hw_value_88xx(struct halmac_adapter *adapter, enum halmac_hw_id hw_id,
 	case HALMAC_HW_TXFIFO_LIFETIME:
 		cfg_txfifo_lt_88xx(adapter,
 				   (struct halmac_txfifo_lifetime_cfg *)value);
+	/* fallthrough */
 	default:
 		return HALMAC_RET_PARA_NOT_SUPPORT;
 	}

hal/halmac/halmac_88xx/halmac_mimo_88xx.c

@@ -63,8 +63,10 @@ cfg_txbf_88xx(struct halmac_adapter *adapter, u8 userid, enum halmac_bw bw,
 		switch (bw) {
 		case HALMAC_BW_80:
 			tmp42c |= BIT_R_TXBF0_80M;
+		/* fallthrough */
 		case HALMAC_BW_40:
 			tmp42c |= BIT_R_TXBF0_40M;
+		/* fallthrough */
 		case HALMAC_BW_20:
 			tmp42c |= BIT_R_TXBF0_20M;
 			break;

os_dep/linux/ioctl_cfg80211.c

@@ -2396,6 +2396,7 @@ static int cfg80211_rtw_change_iface(struct wiphy *wiphy,
 	case NL80211_IFTYPE_P2P_CLIENT:
 		is_p2p = _TRUE;
 	#endif
+	/* fallthrough */
 	case NL80211_IFTYPE_STATION:
 		networkType = Ndis802_11Infrastructure;
 
@@ -2420,6 +2421,7 @@ static int cfg80211_rtw_change_iface(struct wiphy *wiphy,
 	case NL80211_IFTYPE_P2P_GO:
 		is_p2p = _TRUE;
 	#endif
+	/* fallthrough */
 	case NL80211_IFTYPE_AP:
 		networkType = Ndis802_11APMode;
 

os_dep/linux/ioctl_linux.c

@@ -10208,6 +10208,7 @@ static int rtw_priv_mp_get(struct net_device *dev,
 	case MP_DPK:
 		RTW_INFO("set MP_DPK\n");
 		status = rtw_mp_dpk(dev, info, wdata, extra);
+	/* fallthrough */
 	default:
 		status = -EIO;
 	}