mwifiex: Fix fall-through warnings for Clang

In preparation to enable -Wimplicit-fallthrough for Clang, fix multiple
warnings by explicitly adding multiple break statements instead of
letting the code fall through to the next case.

Link: https://github.com/KSPP/linux/issues/115Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20201117160958.GA18807@embeddedor

drivers/net/wireless/marvell/mwifiex/sta_cmdresp.c

@@ -201,6 +201,7 @@ static int mwifiex_ret_802_11_snmp_mib(struct mwifiex_private *priv,
 			mwifiex_dbg(priv->adapter, INFO,
 				    "info: SNMP_RESP: DTIM period=%u\n",
 				    ul_temp);
+			break;
 		default:
 			break;
 		}
@@ -1393,6 +1394,7 @@ int mwifiex_process_sta_cmdresp(struct mwifiex_private *priv, u16 cmdresp_no,
 		break;
 	case HostCmd_CMD_TDLS_OPER:
 		ret = mwifiex_ret_tdls_oper(priv, resp);
+		break;
 	case HostCmd_CMD_MC_POLICY:
 		break;
 	case HostCmd_CMD_CHAN_REPORT_REQUEST:

drivers/net/wireless/marvell/mwifiex/sta_event.c

@@ -99,6 +99,7 @@ static int mwifiex_check_ibss_peer_capabilities(struct mwifiex_private *priv,
 			case IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895:
 				sta_ptr->max_amsdu =
 					MWIFIEX_TX_DATA_BUF_SIZE_4K;
+				break;
 			default:
 				break;
 			}

drivers/net/wireless/marvell/mwifiex/uap_cmd.c

@@ -108,6 +108,7 @@ int mwifiex_set_secure_params(struct mwifiex_private *priv,
 			if (params->crypto.wpa_versions & NL80211_WPA_VERSION_2)
 				bss_config->wpa_cfg.pairwise_cipher_wpa2 |=
 								CIPHER_AES_CCMP;
+			break;
 		default:
 			break;
 		}

drivers/net/wireless/marvell/mwifiex/wmm.c

@@ -1396,6 +1396,7 @@ mwifiex_send_processed_packet(struct mwifiex_private *priv,
 		break;
 	case 0:
 		mwifiex_write_data_complete(adapter, skb, 0, ret);
+		break;
 	default:
 		break;
 	}