treewide: Use fallthrough pseudo-keyword

Replace the existing /* fall through */ comments and its variants with
the new pseudo-keyword macro fallthrough[1]. Also, remove unnecessary
fall-through markings when it is the case.

[1] https://www.kernel.org/doc/html/v5.7/process/deprecated.html?highlight=fallthrough#implicit-switch-case-fall-through

Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>

6 files changed, 11 insertions, 11 deletions

diff --git a/drivers/s390/net/ctcm_fsms.c b/drivers/s390/net/ctcm_fsms.c
index 3ce99e4db44d..661d2a49bce9 100644
--- a/drivers/s390/net/ctcm_fsms.c
+++ b/drivers/s390/net/ctcm_fsms.c
@@ -1695,7 +1695,7 @@ static void ctcmpc_chx_attnbusy(fsm_instance *fsm, int event, void *arg)
 			grp->changed_side = 2;
 			break;
 		}
-		/* Else, fall through */
+		fallthrough;
 	case MPCG_STATE_XID0IOWAIX:
 	case MPCG_STATE_XID7INITW:
 	case MPCG_STATE_XID7INITX:
diff --git a/drivers/s390/net/ctcm_mpc.c b/drivers/s390/net/ctcm_mpc.c
index ab316baa8284..85a1a4533cbe 100644
--- a/drivers/s390/net/ctcm_mpc.c
+++ b/drivers/s390/net/ctcm_mpc.c
@@ -357,7 +357,7 @@ int ctc_mpc_alloc_channel(int port_num, void (*callback)(int, int))
 		/*fsm_newstate(grp->fsm, MPCG_STATE_XID2INITW);*/
 		if (callback)
 			grp->send_qllc_disc = 1;
-		/* Else, fall through */
+		fallthrough;
 	case MPCG_STATE_XID0IOWAIT:
 		fsm_deltimer(&grp->timer);
 		grp->outstanding_xid2 = 0;
@@ -1470,7 +1470,7 @@ static void mpc_action_timeout(fsm_instance *fi, int event, void *arg)
 		if ((fsm_getstate(rch->fsm) == CH_XID0_PENDING) &&
 		   (fsm_getstate(wch->fsm) == CH_XID0_PENDING))
 			break;
-		/* Else, fall through */
+		fallthrough;
 	default:
 		fsm_event(grp->fsm, MPCG_EVENT_INOP, dev);
 	}
@@ -2089,7 +2089,7 @@ static int mpc_send_qllc_discontact(struct net_device *dev)
 			grp->estconnfunc = NULL;
 			break;
 		}
-		/* Else, fall through */
+		fallthrough;
 	case MPCG_STATE_FLOWC:
 	case MPCG_STATE_READY:
 		grp->send_qllc_disc = 2;
diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c
index bba1b54b8aa3..6a7398251423 100644
--- a/drivers/s390/net/qeth_core_main.c
+++ b/drivers/s390/net/qeth_core_main.c
@@ -1071,7 +1071,7 @@ static void qeth_issue_next_read_cb(struct qeth_card *card,
 		break;
 	case -EIO:
 		qeth_schedule_recovery(card);
-		/* fall through */
+		fallthrough;
 	default:
 		qeth_clear_ipacmd_list(card);
 		goto err_idx;
@@ -2886,7 +2886,7 @@ void qeth_print_status_message(struct qeth_card *card)
 				card->info.mcl_level[3]);
 			break;
 		}
-		/* fallthrough */
+		fallthrough;
 	case QETH_CARD_TYPE_IQD:
 		if (IS_VM_NIC(card) || (card->info.mcl_level[0] & 0x80)) {
 			card->info.mcl_level[0] = (char) _ebcasc[(__u8)
diff --git a/drivers/s390/net/qeth_ethtool.c b/drivers/s390/net/qeth_ethtool.c
index ebdc03210608..f870c5322bfe 100644
--- a/drivers/s390/net/qeth_ethtool.c
+++ b/drivers/s390/net/qeth_ethtool.c
@@ -356,7 +356,7 @@ static void qeth_set_cmd_adv_sup(struct ethtool_link_ksettings *cmd,
 						     10000baseT_Full);
 		ethtool_link_ksettings_add_link_mode(cmd, advertising,
 						     10000baseT_Full);
-		/* fall through */
+		fallthrough;
 	case SPEED_1000:
 		ethtool_link_ksettings_add_link_mode(cmd, supported,
 						     1000baseT_Full);
@@ -366,7 +366,7 @@ static void qeth_set_cmd_adv_sup(struct ethtool_link_ksettings *cmd,
 						     1000baseT_Half);
 		ethtool_link_ksettings_add_link_mode(cmd, advertising,
 						     1000baseT_Half);
-		/* fall through */
+		fallthrough;
 	case SPEED_100:
 		ethtool_link_ksettings_add_link_mode(cmd, supported,
 						     100baseT_Full);
@@ -376,7 +376,7 @@ static void qeth_set_cmd_adv_sup(struct ethtool_link_ksettings *cmd,
 						     100baseT_Half);
 		ethtool_link_ksettings_add_link_mode(cmd, advertising,
 						     100baseT_Half);
-		/* fall through */
+		fallthrough;
 	case SPEED_10:
 		ethtool_link_ksettings_add_link_mode(cmd, supported,
 						     10baseT_Full);
diff --git a/drivers/s390/net/qeth_l2_main.c b/drivers/s390/net/qeth_l2_main.c
index 8b342a88ff5c..3a94f6cad167 100644
--- a/drivers/s390/net/qeth_l2_main.c
+++ b/drivers/s390/net/qeth_l2_main.c
@@ -488,7 +488,7 @@ static void qeth_l2_rx_mode_work(struct work_struct *work)
 				kfree(mac);
 				break;
 			}
-			/* fall through */
+			fallthrough;
 		default:
 			/* for next call to set_rx_mode(): */
 			mac->disp_flag = QETH_DISP_ADDR_DELETE;
diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c
index fe44b0249e34..4d461960370d 100644
--- a/drivers/s390/net/qeth_l3_main.c
+++ b/drivers/s390/net/qeth_l3_main.c
@@ -1235,7 +1235,7 @@ static void qeth_l3_rx_mode_work(struct work_struct *work)
 					break;
 				}
 				addr->ref_counter = 1;
-				/* fall through */
+				fallthrough;
 			default:
 				/* for next call to set_rx_mode(): */
 				addr->disp_flag = QETH_DISP_ADDR_DELETE;