diff --git a/core/rtw_mlme_ext.c b/core/rtw_mlme_ext.c
index 158dfb6..6d918ed 100644
--- a/core/rtw_mlme_ext.c
+++ b/core/rtw_mlme_ext.c
@@ -1639,7 +1639,7 @@ void mgt_dispatcher(_adapter *padapter, union recv_frame *precv_frame)
 			ptable->func = &OnAuth;
 		else
 			ptable->func = &OnAuthClient;
-	/* pass through */
+	/* Intentional fallthrough */
 	case WIFI_ASSOCREQ:
 	case WIFI_REASSOCREQ:
 		_mgt_dispatcher(padapter, ptable, precv_frame);
@@ -2435,14 +2435,15 @@ unsigned int OnAuth(_adapter *padapter, union recv_frame *precv_frame)
 			if (rtw_is_list_empty(&pstat->asoc_list) == _FALSE) {
 				rtw_list_delete(&pstat->asoc_list);
 				pstapriv->asoc_list_cnt--;
-				if (pstat->expire_to > 0)
+				if (pstat->expire_to > 0) {
 					;/* TODO: STA re_auth within expire_to */
+				}
 			}
 			_exit_critical_bh(&pstapriv->asoc_list_lock, &irqL);
 
-			if (seq == 1)
+			if (seq == 1) {
 				; /* TODO: STA re_auth and auth timeout */
-
+			}
 		}
 	}
 
diff --git a/core/rtw_recv.c b/core/rtw_recv.c
index e0fc3e1..1b08ce8 100644
--- a/core/rtw_recv.c
+++ b/core/rtw_recv.c
@@ -2253,9 +2253,11 @@ sint validate_recv_frame(_adapter *adapter, union recv_frame *precv_frame)
 					dump_rx_packet(ptr);
 			}
 			#endif
-		} else
+		} else {
 			DBG_COUNTER(adapter->rx_logs.core_rx_pre_data_handled);
 		break;
+		}
+
 	default:
 		DBG_COUNTER(adapter->rx_logs.core_rx_pre_unknown);
 		#ifdef DBG_RX_DROP_FRAME
diff --git a/core/rtw_wlan_util.c b/core/rtw_wlan_util.c
index 976bf25..822e01a 100644
--- a/core/rtw_wlan_util.c
+++ b/core/rtw_wlan_util.c
@@ -2277,9 +2277,9 @@ int rtw_get_bcn_keys(ADAPTER *Adapter, u8 *pframe, u32 packet_len,
 
 		_rtw_memcpy(recv_beacon->ssid, elems.ssid, elems.ssid_len);
 		recv_beacon->ssid_len = elems.ssid_len;
-	} else
+	} else {
 		; /* means hidden ssid */
-
+	}
 	/* checking RSN first */
 	if (elems.rsn_ie && elems.rsn_ie_len) {
 		recv_beacon->encryp_protocol = ENCRYP_PROTOCOL_WPA2;
diff --git a/core/rtw_xmit.c b/core/rtw_xmit.c
index fde9cca..d1a0053 100644
--- a/core/rtw_xmit.c
+++ b/core/rtw_xmit.c
@@ -1331,9 +1331,9 @@ static s32 update_attrib(_adapter *padapter, _pkt *pkt, struct pkt_attrib *pattr
 		_rtw_memcpy(pattrib->ra, pattrib->dst, ETH_ALEN);
 		_rtw_memcpy(pattrib->ta, get_bssid(pmlmepriv), ETH_ALEN);
 		DBG_COUNTER(padapter->tx_logs.core_tx_upd_attrib_ap);
-	} else
+	} else {
 		DBG_COUNTER(padapter->tx_logs.core_tx_upd_attrib_unknown);
-
+	}
 	bmcast = IS_MCAST(pattrib->ra);
 	if (bmcast) {
 		psta = rtw_get_bcmc_stainfo(padapter);
diff --git a/hal/hal_intf.c b/hal/hal_intf.c
index 6432637..2ace73d 100644
--- a/hal/hal_intf.c
+++ b/hal/hal_intf.c
@@ -933,6 +933,7 @@ s32 c2h_handler(_adapter *adapter, u8 id, u8 seq, u8 plen, u8 *payload)
 
 	case C2H_EXTEND:
 		sub_id = payload[0];
+		/* Intentional fallthrough */
 		/* no handle, goto default */
 
 	default:
diff --git a/hal/phydm/txbf/halcomtxbf.c b/hal/phydm/txbf/halcomtxbf.c
index f0e3164..940f964 100644
--- a/hal/phydm/txbf/halcomtxbf.c
+++ b/hal/phydm/txbf/halcomtxbf.c
@@ -46,8 +46,9 @@ hal_com_txbf_config_gtab(
 {
 	struct PHY_DM_STRUCT	*p_dm = (struct PHY_DM_STRUCT *)p_dm_void;
 
-	if (p_dm->support_ic_type & ODM_RTL8822B)
+	if (p_dm->support_ic_type & ODM_RTL8822B) {
 		hal_txbf_8822b_config_gtab(p_dm);
+	}
 }
 
 void
@@ -204,14 +205,18 @@ hal_com_txbf_enter_work_item_callback(
 
 	PHYDM_DBG(p_dm, DBG_TXBF, ("[%s] Start!\n", __func__));
 
-	if (p_dm->support_ic_type & (ODM_RTL8812 | ODM_RTL8821))
+	if (p_dm->support_ic_type & (ODM_RTL8812 | ODM_RTL8821)) {
 		hal_txbf_jaguar_enter(p_dm, idx);
-	else if (p_dm->support_ic_type & ODM_RTL8192E)
+	}
+	else if (p_dm->support_ic_type & ODM_RTL8192E) {
 		hal_txbf_8192e_enter(p_dm, idx);
-	else if (p_dm->support_ic_type & ODM_RTL8814A)
+	}
+	else if (p_dm->support_ic_type & ODM_RTL8814A) {
 		hal_txbf_8814a_enter(p_dm, idx);
-	else if (p_dm->support_ic_type & ODM_RTL8822B)
+	}
+	else if (p_dm->support_ic_type & ODM_RTL8822B) {
 		hal_txbf_8822b_enter(p_dm, idx);
+	}
 }
 
 void
@@ -235,14 +240,18 @@ hal_com_txbf_leave_work_item_callback(
 
 	PHYDM_DBG(p_dm, DBG_TXBF, ("[%s] Start!\n", __func__));
 
-	if (p_dm->support_ic_type & (ODM_RTL8812 | ODM_RTL8821))
+	if (p_dm->support_ic_type & (ODM_RTL8812 | ODM_RTL8821)) {
 		hal_txbf_jaguar_leave(p_dm, idx);
-	else if (p_dm->support_ic_type & ODM_RTL8192E)
+	}
+	else if (p_dm->support_ic_type & ODM_RTL8192E) {
 		hal_txbf_8192e_leave(p_dm, idx);
-	else if (p_dm->support_ic_type & ODM_RTL8814A)
+	}
+	else if (p_dm->support_ic_type & ODM_RTL8814A) {
 		hal_txbf_8814a_leave(p_dm, idx);
-	else if (p_dm->support_ic_type & ODM_RTL8822B)
+	}
+	else if (p_dm->support_ic_type & ODM_RTL8822B) {
 		hal_txbf_8822b_leave(p_dm, idx);
+	}
 }
 
 
@@ -266,14 +275,18 @@ hal_com_txbf_fw_ndpa_work_item_callback(
 
 	PHYDM_DBG(p_dm, DBG_TXBF, ("[%s] Start!\n", __func__));
 
-	if (p_dm->support_ic_type & (ODM_RTL8812 | ODM_RTL8821))
+	if (p_dm->support_ic_type & (ODM_RTL8812 | ODM_RTL8821)) {
 		hal_txbf_jaguar_fw_txbf(p_dm, idx);
-	else if (p_dm->support_ic_type & ODM_RTL8192E)
+	}
+	else if (p_dm->support_ic_type & ODM_RTL8192E) {
 		hal_txbf_8192e_fw_tx_bf(p_dm, idx);
-	else if (p_dm->support_ic_type & ODM_RTL8814A)
+	}
+	else if (p_dm->support_ic_type & ODM_RTL8814A) {
 		hal_txbf_8814a_fw_txbf(p_dm, idx);
-	else if (p_dm->support_ic_type & ODM_RTL8822B)
+	}
+	else if (p_dm->support_ic_type & ODM_RTL8822B) {
 		hal_txbf_8822b_fw_txbf(p_dm, idx);
+	}
 }
 
 void
@@ -294,8 +307,9 @@ hal_com_txbf_clk_work_item_callback(
 
 	PHYDM_DBG(p_dm, DBG_TXBF, ("[%s] Start!\n", __func__));
 
-	if (p_dm->support_ic_type & ODM_RTL8812)
+	if (p_dm->support_ic_type & ODM_RTL8812) {
 		hal_txbf_jaguar_clk_8812a(p_dm);
+	}
 }
 
 
@@ -321,13 +335,15 @@ hal_com_txbf_rate_work_item_callback(
 
 	PHYDM_DBG(p_dm, DBG_TXBF, ("[%s] Start!\n", __func__));
 
-	if (p_dm->support_ic_type & ODM_RTL8812)
+	if (p_dm->support_ic_type & ODM_RTL8812) {
 		hal_txbf_8812a_set_ndpa_rate(p_dm, BW, rate);
-	else if (p_dm->support_ic_type & ODM_RTL8192E)
+	}
+	else if (p_dm->support_ic_type & ODM_RTL8192E) {
 		hal_txbf_8192e_set_ndpa_rate(p_dm, BW, rate);
-	else if (p_dm->support_ic_type & ODM_RTL8814A)
+	}
+	else if (p_dm->support_ic_type & ODM_RTL8814A) {
 		hal_txbf_8814a_set_ndpa_rate(p_dm, BW, rate);
-
+	}
 }
 
 
@@ -376,14 +392,18 @@ hal_com_txbf_status_work_item_callback(
 
 	PHYDM_DBG(p_dm, DBG_TXBF, ("[%s] Start!\n", __func__));
 
-	if (p_dm->support_ic_type & (ODM_RTL8812 | ODM_RTL8821))
+	if (p_dm->support_ic_type & (ODM_RTL8812 | ODM_RTL8821)) {
 		hal_txbf_jaguar_status(p_dm, idx);
-	else if (p_dm->support_ic_type & ODM_RTL8192E)
+	}
+	else if (p_dm->support_ic_type & ODM_RTL8192E) {
 		hal_txbf_8192e_status(p_dm, idx);
-	else if (p_dm->support_ic_type & ODM_RTL8814A)
+	}
+	else if (p_dm->support_ic_type & ODM_RTL8814A) {
 		hal_txbf_8814a_status(p_dm, idx);
-	else if (p_dm->support_ic_type & ODM_RTL8822B)
+	}
+	else if (p_dm->support_ic_type & ODM_RTL8822B) {
 		hal_txbf_8822b_status(p_dm, idx);
+	}
 }
 
 void
@@ -405,9 +425,9 @@ hal_com_txbf_reset_tx_path_work_item_callback(
 
 	u8			idx = p_txbf_info->txbf_idx;
 
-	if (p_dm->support_ic_type & ODM_RTL8814A)
+	if (p_dm->support_ic_type & ODM_RTL8814A) {
 		hal_txbf_8814a_reset_tx_path(p_dm, idx);
-
+	}
 }
 
 void
@@ -426,8 +446,9 @@ hal_com_txbf_get_tx_rate_work_item_callback(
 	struct PHY_DM_STRUCT	*p_dm = (struct PHY_DM_STRUCT *)p_dm_void;
 #endif
 
-	if (p_dm->support_ic_type & ODM_RTL8814A)
+	if (p_dm->support_ic_type & ODM_RTL8814A) {
 		hal_txbf_8814a_get_tx_rate(p_dm);
+	}
 }
 
 
diff --git a/os_dep/linux/ioctl_cfg80211.c b/os_dep/linux/ioctl_cfg80211.c
index fb033e5..9cbd901 100644
--- a/os_dep/linux/ioctl_cfg80211.c
+++ b/os_dep/linux/ioctl_cfg80211.c
@@ -2059,6 +2059,7 @@ static int cfg80211_rtw_change_iface(struct wiphy *wiphy,
 	case NL80211_IFTYPE_P2P_CLIENT:
 		is_p2p = _TRUE;
 	#endif
+	/* Intentional fallthrough */
 	case NL80211_IFTYPE_STATION:
 		networkType = Ndis802_11Infrastructure;
 
@@ -2083,6 +2084,7 @@ static int cfg80211_rtw_change_iface(struct wiphy *wiphy,
 	case NL80211_IFTYPE_P2P_GO:
 		is_p2p = _TRUE;
 	#endif
+	/* Intentional fallthrough */
 	case NL80211_IFTYPE_AP:
 		networkType = Ndis802_11APMode;
 
diff --git a/os_dep/linux/recv_linux.c b/os_dep/linux/recv_linux.c
index 9f4dbea..b484e37 100644
--- a/os_dep/linux/recv_linux.c
+++ b/os_dep/linux/recv_linux.c
@@ -501,10 +501,11 @@ void rtw_os_recv_indicate_pkt(_adapter *padapter, _pkt *pkt, union recv_frame *r
 #endif /* CONFIG_RTW_NAPI */
 
 		ret = rtw_netif_rx(padapter->pnetdev, pkt);
-		if (ret == NET_RX_SUCCESS)
+		if (ret == NET_RX_SUCCESS) {
 			DBG_COUNTER(padapter->rx_logs.os_netif_ok);
-		else
+		} else {
 			DBG_COUNTER(padapter->rx_logs.os_netif_err);
+		}
 	}
 }