Replace various spelling with FALLTHROUGH which is lint()able

sys/alpha/alpha/db_disasm.c

@@ -1012,7 +1012,7 @@ alpha_print_instruction(iadr, i, showregs)
 	case op_sts:
 	case op_stt:
 		fstore = TRUE;
-		/* fall through */
+		/* FALLTHROUGH */
 	case op_ldl:
 	case op_ldq:
 	case op_ldl_l:

sys/alpha/alpha/trap.c

@@ -404,7 +404,7 @@ trap(a0, a1, a2, entry, framep)
 				ucode =  a0;	/* exception summary */
 				break;
 			}
-			/* FALLTHROUTH */
+			/* FALLTHROUGH */
 		case ALPHA_IF_CODE_BPT:
 		case ALPHA_IF_CODE_BUGCHK:
 			if (td->td_md.md_flags & (MDTD_STEP1|MDTD_STEP2)) {

sys/amd64/amd64/trap.c

@@ -593,7 +593,7 @@ trap(frame)
 				goto out;
 			}
 			/*
-			 * Fall through (TRCTRAP kernel mode, kernel address)
+			 * FALLTHROUGH (TRCTRAP kernel mode, kernel address)
 			 */
 		case T_BPTFLT:
 			/*

sys/cam/cam_xpt.c

@@ -6456,7 +6456,7 @@ xpt_set_transfer_settings(struct ccb_trans_settings *cts, struct cam_ed *device,
 			  || (inq_data->flags & SID_WBus32) != 0)
 			 && (cpi.hba_inquiry & PI_WIDE_32) != 0)
 				break;
-			/* Fall Through to 16-bit */
+			/* FALLTHROUGH to 16-bit */
 		case MSG_EXT_WDTR_BUS_16_BIT:
 			if (((device->flags & CAM_DEV_INQUIRY_DATA_VALID) == 0
 			  || (inq_data->flags & SID_WBus16) != 0)
@@ -6464,7 +6464,7 @@ xpt_set_transfer_settings(struct ccb_trans_settings *cts, struct cam_ed *device,
 				cts->bus_width = MSG_EXT_WDTR_BUS_16_BIT;
 				break;
 			}
-			/* Fall Through to 8-bit */
+			/* FALLTHROUGH to 8-bit */
 		default: /* New bus width?? */
 		case MSG_EXT_WDTR_BUS_8_BIT:
 			/* All targets can do this */

sys/dev/atkbdc/psm.c

@@ -645,7 +645,7 @@ doinitialize(struct psm_softc *sc, mousemode_t *mode)
 	if (verbose)
 	    log(LOG_DEBUG, "psm%d: strange result for test aux port (%d).\n",
 	        sc->unit, i);
-	/* fall though */
+	/* FALLTHROUGH */
     case 0:	/* no error */
     	break;
     case -1: 	/* time out */
@@ -1031,7 +1031,7 @@ psmprobe(device_t dev)
         if (verbose)
 	    printf("psm%d: strange result for test aux port (%d).\n",
 	        unit, i);
-	/* fall though */
+	/* FALLTHROUGH */
     case 0:        /* no error */
         break;
     case -1:        /* time out */

sys/dev/ppbus/ppi.c

@@ -342,7 +342,7 @@ ppiread(dev_t dev, struct uio *uio, int ioflag)
 	switch (ppb_1284_get_state(ppbus)) {
 	case PPB_PERIPHERAL_IDLE:
 		ppb_peripheral_terminate(ppbus, 0);
-		/* fall throught */
+		/* FALLTHROUGH */
 
 	case PPB_FORWARD_IDLE:
 		/* if can't negociate NIBBLE mode then try BYTE mode,

sys/dev/scd/scd.c

@@ -1357,7 +1357,7 @@ send_cmd(u_int unit, u_char cmd, u_int nargs, ...)
 	switch ((rc = inb(reg)) & 0xf0) {
 	case 0x20:
 		rc = inb(reg);
-		/* FALL TROUGH */
+		/* FALLTHROUGH */
 	case 0x50:
 		XDEBUG(1, ("scd%d: DEBUG: send_cmd: drive_error=0x%x\n", unit, rc));
 		return -rc;

sys/fs/cd9660/cd9660_rrip.c

@@ -181,7 +181,7 @@ cd9660_rrip_slink(p,ana)
 
 		case ISO_SUSP_CFLAG_CONTINUE:
 			cont = 1;
-			/* fall thru */
+			/* FALLTHROUGH */
 		case 0:
 			/* Inserting component */
 			wlen = isonum_711(pcomp->clen);
@@ -253,7 +253,7 @@ cd9660_rrip_altname(p,ana)
 
 	case ISO_SUSP_CFLAG_CONTINUE:
 		cont = 1;
-		/* fall thru */
+		/* FALLTHROUGH */
 	case 0:
 		/* Inserting component */
 		wlen = isonum_711(p->h.length) - 5;

sys/i386/i386/trap.c

@@ -593,7 +593,7 @@ trap(frame)
 				goto out;
 			}
 			/*
-			 * Fall through (TRCTRAP kernel mode, kernel address)
+			 * FALLTHROUGH (TRCTRAP kernel mode, kernel address)
 			 */
 		case T_BPTFLT:
 			/*

sys/i386/ibcs2/ibcs2_signal.c

@@ -264,7 +264,7 @@ ibcs2_sigsys(td, uap)
 			sa.sa_flags = 0;
 			goto ibcs2_sigset;
 		}
-		/* else fallthrough to sighold */
+		/* else FALLTHROUGH to sighold */
 
 	case IBCS2_SIGHOLD_MASK:
 		{

sys/i386/isa/scd.c

@@ -1357,7 +1357,7 @@ send_cmd(u_int unit, u_char cmd, u_int nargs, ...)
 	switch ((rc = inb(reg)) & 0xf0) {
 	case 0x20:
 		rc = inb(reg);
-		/* FALL TROUGH */
+		/* FALLTHROUGH */
 	case 0x50:
 		XDEBUG(1, ("scd%d: DEBUG: send_cmd: drive_error=0x%x\n", unit, rc));
 		return -rc;

sys/i386/isa/stallion.c

@@ -2676,7 +2676,7 @@ static int stl_initeio(stlbrd_t *brdp)
 	switch (status & EIO_IDBITMASK) {
 	case EIO_8PORTM:
 		brdp->clk = EIO_CLK8M;
-		/* fall thru */
+		/* FALLTHROUGH */
 	case EIO_8PORTRS:
 	case EIO_8PORTDI:
 		brdp->nrports = 8;

sys/i4b/driver/i4b_rbch.c

@@ -507,7 +507,7 @@ i4brbchioctl(dev_t dev, u_long cmd, caddr_t data, int flag, struct thread *td)
 				i4b_l4_dialoutnumber(BDRV_RBCH, unit, l, (char *)data);
 				break;
 			}
-			/* fall through to SDTR */
+			/* FALLTHROUGH to SDTR */
 		}
 
 		case TIOCSDTR:	/* Set DTR */

sys/isa/psm.c

@@ -645,7 +645,7 @@ doinitialize(struct psm_softc *sc, mousemode_t *mode)
 	if (verbose)
 	    log(LOG_DEBUG, "psm%d: strange result for test aux port (%d).\n",
 	        sc->unit, i);
-	/* fall though */
+	/* FALLTHROUGH */
     case 0:	/* no error */
     	break;
     case -1: 	/* time out */
@@ -1031,7 +1031,7 @@ psmprobe(device_t dev)
         if (verbose)
 	    printf("psm%d: strange result for test aux port (%d).\n",
 	        unit, i);
-	/* fall though */
+	/* FALLTHROUGH */
     case 0:        /* no error */
         break;
     case -1:        /* time out */

sys/isofs/cd9660/cd9660_rrip.c

@@ -181,7 +181,7 @@ cd9660_rrip_slink(p,ana)
 
 		case ISO_SUSP_CFLAG_CONTINUE:
 			cont = 1;
-			/* fall thru */
+			/* FALLTHROUGH */
 		case 0:
 			/* Inserting component */
 			wlen = isonum_711(pcomp->clen);
@@ -253,7 +253,7 @@ cd9660_rrip_altname(p,ana)
 
 	case ISO_SUSP_CFLAG_CONTINUE:
 		cont = 1;
-		/* fall thru */
+		/* FALLTHROUGH */
 	case 0:
 		/* Inserting component */
 		wlen = isonum_711(p->h.length) - 5;

sys/kern/kern_descrip.c

@@ -349,7 +349,7 @@ fcntl(td, uap)
 
 	case F_SETLKW:
 		flg |= F_WAIT;
-		/* Fall into F_SETLK */
+		/* FALLTHROUGH F_SETLK */
 
 	case F_SETLK:
 		if (fp->f_type != DTYPE_VNODE) {

sys/kern/kern_lock.c

@@ -272,7 +272,7 @@ debuglockmgr(lkp, flags, interlkp, td, name, file, line)
 		 * An alternative would be to fail with EDEADLK.
 		 */
 		sharelock(lkp, 1);
-		/* fall into downgrade */
+		/* FALLTHROUGH downgrade */
 
 	case LK_DOWNGRADE:
 		KASSERT(lkp->lk_lockholder == pid && lkp->lk_exclusivecount != 0,
@@ -298,7 +298,7 @@ debuglockmgr(lkp, flags, interlkp, td, name, file, line)
 			error = EBUSY;
 			break;
 		}
-		/* fall into normal upgrade */
+		/* FALLTHROUGH normal upgrade */
 
 	case LK_UPGRADE:
 		/*
@@ -353,7 +353,7 @@ debuglockmgr(lkp, flags, interlkp, td, name, file, line)
 		if ( (lkp->lk_flags & (LK_SHARE_NONZERO|LK_WAIT_NONZERO)) ==
 			LK_WAIT_NONZERO)
 			wakeup((void *)lkp);
-		/* fall into exclusive request */
+		/* FALLTHROUGH exclusive request */
 
 	case LK_EXCLUSIVE:
 		if (lkp->lk_lockholder == pid && pid != LK_KERNPROC) {

sys/kern/sys_process.c

@@ -584,7 +584,7 @@ ptrace(struct thread *td, struct ptrace_args *uap)
 	case PT_WRITE_I:
 	case PT_WRITE_D:
 		write = 1;
-		/* fallthrough */
+		/* FALLTHROUGH */
 	case PT_READ_I:
 	case PT_READ_D:
 		PROC_UNLOCK(p);

sys/kern/vfs_bio.c

@@ -1740,12 +1740,12 @@ getnewbuf(int slpflag, int slptimeo, int size, int maxsize)
 				nqindex = QUEUE_EMPTYKVA;
 				if ((nbp = TAILQ_FIRST(&bufqueues[QUEUE_EMPTYKVA])))
 					break;
-				/* fall through */
+				/* FALLTHROUGH */
 			case QUEUE_EMPTYKVA:
 				nqindex = QUEUE_CLEAN;
 				if ((nbp = TAILQ_FIRST(&bufqueues[QUEUE_CLEAN])))
 					break;
-				/* fall through */
+				/* FALLTHROUGH */
 			case QUEUE_CLEAN:
 				/*
 				 * nbp is NULL. 

sys/kern/vfs_cluster.c

@@ -597,12 +597,12 @@ cluster_wbuild_wb(struct vnode *vp, long size, daddr_t start_lbn, int len)
 		if (start_lbn < len)
 			break;
 		start_lbn -= len;
-		/* fall through */
+		/* FALLTHROUGH */
 	case 1:
 		r = cluster_wbuild(vp, size, start_lbn, len);
-		/* fall through */
+		/* FALLTHROUGH */
 	default:
-		/* fall through */
+		/* FALLTHROUGH */
 		break;
 	}
 	return(r);

sys/kern/vfs_subr.c

@@ -1761,7 +1761,7 @@ reassignbuf(bp, newvp)
 					delay = metadelay;
 					break;
 				}
-				/* fall through */
+				/* FALLTHROUGH */
 			default:
 				delay = filedelay;
 			}

sys/kern/vfs_vnops.c

@@ -757,7 +757,7 @@ vn_ioctl(fp, com, data, active_cred, td)
 		}
 		if (com == FIONBIO || com == FIOASYNC)	/* XXX */
 			return (0);			/* XXX */
-		/* fall into ... */
+		/* FALLTHROUGH */
 
 	default:
 #if 0

sys/net/if_spppsubr.c

@@ -1165,7 +1165,7 @@ sppp_ioctl(struct ifnet *ifp, IOCTL_CMD_T cmd, void *data)
 	case SIOCSIFADDR:
 		/* set the interface "up" when assigning an IP address */
 		ifp->if_flags |= IFF_UP;
-		/* fall through... */
+		/* FALLTHROUGH */
 
 	case SIOCSIFFLAGS:
 		going_up = ifp->if_flags & IFF_UP &&
@@ -1496,7 +1496,7 @@ sppp_cp_input(const struct cp *cp, struct sppp *sp, struct mbuf *m)
 		case STATE_OPENED:
 			(cp->tld)(sp);
 			(cp->scr)(sp);
-			/* fall through... */
+			/* FALLTHROUGH */
 		case STATE_ACK_SENT:
 		case STATE_REQ_SENT:
 			/*
@@ -1560,7 +1560,7 @@ sppp_cp_input(const struct cp *cp, struct sppp *sp, struct mbuf *m)
 			break;
 		case STATE_OPENED:
 			(cp->tld)(sp);
-			/* fall through */
+			/* FALLTHROUGH */
 		case STATE_ACK_RCVD:
 			(cp->scr)(sp);
 			sppp_cp_change_state(cp, sp, STATE_REQ_SENT);
@@ -1615,7 +1615,7 @@ sppp_cp_input(const struct cp *cp, struct sppp *sp, struct mbuf *m)
 			break;
 		case STATE_OPENED:
 			(cp->tld)(sp);
-			/* fall through */
+			/* FALLTHROUGH */
 		case STATE_ACK_RCVD:
 			sppp_cp_change_state(cp, sp, STATE_REQ_SENT);
 			(cp->scr)(sp);
@@ -1637,7 +1637,7 @@ sppp_cp_input(const struct cp *cp, struct sppp *sp, struct mbuf *m)
 		case STATE_ACK_RCVD:
 		case STATE_ACK_SENT:
 			sppp_cp_change_state(cp, sp, STATE_REQ_SENT);
-			/* fall through */
+			/* FALLTHROUGH */
 		case STATE_CLOSED:
 		case STATE_STOPPED:
 		case STATE_CLOSING:
@@ -2002,7 +2002,7 @@ sppp_close_event(const struct cp *cp, struct sppp *sp)
 		break;
 	case STATE_OPENED:
 		(cp->tld)(sp);
-		/* fall through */
+		/* FALLTHROUGH */
 	case STATE_REQ_SENT:
 	case STATE_ACK_RCVD:
 	case STATE_ACK_SENT:
@@ -4158,7 +4158,7 @@ sppp_chap_TO(void *cookie)
 		case STATE_OPENED:
 			/* TO* event */
 			sp->rst_counter[IDX_CHAP] = sp->lcp.max_configure;
-			/* fall through */
+			/* FALLTHROUGH */
 		case STATE_REQ_SENT:
 			chap.scr(sp);
 			/* sppp_cp_change_state() will restart the timer */

sys/net/rtsock.c

@@ -443,9 +443,7 @@ route_output(m, so)
 			       rt->rt_ifa->ifa_rtrequest(RTM_ADD, rt, &info);
 			if (genmask)
 				rt->rt_genmask = genmask;
-			/*
+			/* FALLTHROUGH */
-			 * Fall into
-			 */
 		case RTM_LOCK:
 			rt->rt_rmx.rmx_locks &= ~(rtm->rtm_inits);
 			rt->rt_rmx.rmx_locks |=

sys/net/slcompress.c

@@ -333,7 +333,7 @@ sl_compress_tcp(m, ip, comp, compress_cid)
 		    ntohs(cs->cs_ip.ip_len) == hlen)
 			break;
 
-		/* (fall through) */
+		/* FALLTHROUGH */
 
 	case SPECIAL_I:
 	case SPECIAL_D:

sys/netatm/atm_cm.c

@@ -2956,7 +2956,7 @@ atm_cm_cpcs_upper(cmd, tok, arg1, arg2)
 	case CPCS_UABORT_SIG:
 	case CPCS_PABORT_SIG:
 		/*
-		 * We don't support these (yet), so just fall thru...
+		 * We don't support these (yet), so just FALLTHROUGH
 		 */
 
 	default:

sys/netinet/ip_mroute.c

@@ -331,7 +331,7 @@ static int pim_assert;
 	       switch (xxs) { \
 		      case 2: \
 			  delta += 1000000; \
-			      /* fall through */ \
+			      /* FALLTHROUGH */ \
 		      case 1: \
 			  delta += 1000000; \
 			  break; \

sys/netinet/tcp_input.c

@@ -1629,7 +1629,7 @@ tcp_input(m, off0)
 			(void) tcp_reass(tp, (struct tcphdr *)0, 0,
 			    (struct mbuf *)0);
 		tp->snd_wl1 = th->th_seq - 1;
-		/* fall into ... */
+		/* FALLTHROUGH */
 
 	/*
 	 * In ESTABLISHED state: drop duplicate ACKs; ACK out of range

sys/netinet/tcp_reass.c

@@ -1629,7 +1629,7 @@ tcp_input(m, off0)
 			(void) tcp_reass(tp, (struct tcphdr *)0, 0,
 			    (struct mbuf *)0);
 		tp->snd_wl1 = th->th_seq - 1;
-		/* fall into ... */
+		/* FALLTHROUGH */
 
 	/*
 	 * In ESTABLISHED state: drop duplicate ACKs; ACK out of range

sys/netipx/ipx_ip.c

@@ -137,7 +137,7 @@ ipxipioctl(ifp, cmd, data)
 
 	case SIOCSIFADDR:
 		ifp->if_flags |= IFF_UP;
-		/* fall into: */
+		/* FALLTHROUGH */
 
 	case SIOCSIFDSTADDR:
 		/*

sys/netns/ns_ip.c

@@ -131,7 +131,7 @@ nsipioctl(ifp, cmd, data)
 
 	case SIOCSIFADDR:
 		ifp->if_flags |= IFF_UP;
-		/* fall into: */
+		/* FALLTHROUGH */
 
 	case SIOCSIFDSTADDR:
 		/*

sys/netns/spp_usrreq.c

@@ -1458,7 +1458,7 @@ spp_usrreq(so, req, m, nam, controlp)
 			break;
 		}
 		cb->s_oobflags |= SF_SOOB;
-		/* fall into */
+		/* FALLTHROUGH */
 	case PRU_SEND:
 		if (controlp) {
 			u_short *p = mtod(controlp, u_short *);

sys/pci/ncr.c

@@ -3128,7 +3128,7 @@ static void ncr_script_copy_and_bind (ncb_p np, ncrcmd *src, ncrcmd *dst, int le
 						new = old;
 						break;
 					}
-					/* fall through */
+					/* FALLTHROUGH */
 				default:
 					panic("ncr_script_copy_and_bind: weird relocation %x @ %d\n", old, (int)(src - start));
 					break;
@@ -4611,14 +4611,14 @@ ncr_wakeup (ncb_p np, u_long code)
 
 		case HS_DISCONNECT:
 			if(DEBUG_FLAGS & DEBUG_TINY) printf ("D");
-			/* fall through */
+			/* FALLTHROUGH */
 
 		case HS_BUSY:
 		case HS_NEGOTIATE:
 			if (!code) break;
 			cp->host_status = code;
 
-			/* fall through */
+			/* FALLTHROUGH */
 
 		default:
 			ncr_complete (np, cp);
@@ -5163,7 +5163,7 @@ ncr_timeout (void *arg)
 
 			case HS_BUSY:
 			case HS_NEGOTIATE:
-				/* fall through */
+				/* FALLTHROUGH */
 			case HS_DISCONNECT:
 				cp->host_status=HS_TIMEOUT;
 			};
@@ -6027,7 +6027,7 @@ void ncr_int_sir (ncb_p np)
 		*/
 		OUTB (HS_PRT, HS_BUSY);
 
-		/* fall through */
+		/* FALLTHROUGH */
 
 	case SIR_NEGO_PROTO:
 		/*-------------------------------------------------------

sys/ufs/ufs/ufs_vfsops.c

@@ -122,7 +122,7 @@ ufs_quotactl(mp, cmds, uid, arg, td)
 	case Q_GETQUOTA:
 		if (uid == td->td_ucred->cr_ruid)
 			break;
-		/* fall through */
+		/* FALLTHROUGH */
 	default:
 		if ((error = suser_cred(td->td_ucred, PRISON_ROOT)) != 0)
 			return (error);

usr.bin/chat/chat.c

@@ -1221,7 +1221,7 @@ int n;
     case -1:
 	if (need_lf == 0)
 	    break;
-	/* fall through */
+	/* FALLTHROUGH */
     case '\n':
 	write(STDERR_FILENO, "\n", 1);
 	need_lf = 0;

usr.bin/doscmd/trap.c

@@ -505,7 +505,7 @@ sigbus(struct sigframe *sf)
                 tty_pause();
                 goto out;
 /*            } */
-            /* FALLTHRU */
+            /* FALLTHROUGH */
 
 	default:
 	    dump_regs(REGS);

usr.bin/lex/initscan.c

@@ -3176,7 +3176,7 @@ static int input()
 					/* Reset buffer status. */
 					yyrestart( yyin );
 
-					/* fall through */
+					/* FALLTHROUGH */
 
 				case EOB_ACT_END_OF_FILE:
 					{

usr.bin/mail/aux.c

@@ -488,7 +488,7 @@ skin(name)
 				lastsp = 0;
 				break;
 			}
-			/* Fall into . . . */
+			/* FALLTHROUGH */
 
 		default:
 			if (lastsp) {

usr.bin/telnet/telnet.c

@@ -1519,7 +1519,7 @@ telrcv(void)
 		TTYADD(c);
 		break;
 	    }
-	    /* Else, fall through */
+	    /* FALLTHROUGH */
 
 	case TS_DATA:
 	    if (c == IAC) {

usr.bin/top/machine.c

@@ -544,7 +544,7 @@ char *(*get_userid)();
 		sprintf(status, "%.6s", pp->ki_wmesg);
 		break;
 	    }
-	    /* fall through */
+	    /* FALLTHROUGH */
 	default:
 
 	    if (state >= 0 &&

usr.bin/touch/touch.c

@@ -225,7 +225,7 @@ stime_arg1(arg, tvp)
 		t->tm_year = ATOI2(arg);
 		t->tm_year *= 100;
 		yearset = 1;
-		/* FALLTHOUGH */
+		/* FALLTHROUGH */
 	case 10:			/* YYMMDDhhmm */
 		if (yearset) {
 			yearset = ATOI2(arg);

usr.bin/ul/ul.c

@@ -134,7 +134,7 @@ main(argc, argv)
 
 	default:
 		warnx("trouble reading termcap");
-		/* fall through to ... */
+		/* FALLTHROUGH */
 
 	case 0:
 		/* No such terminal type - assume dumb */

usr.bin/yacc/reader.c

@@ -283,7 +283,7 @@ nextc()
 		s = cptr;
 		break;
 	    }
-	    /* fall through */
+	    /* FALLTHROUGH */
 
 	default:
 	    cptr = s;
@@ -511,7 +511,7 @@ copy_text()
 	    FREE(t_line);
 	    return;
 	}
-	/* fall through */
+	/* FALLTHROUGH */
 
     default:
 	putc(c, f);