[SCSI] drivers/scsi: Use ARRAY_SIZE macro

Use ARRAY_SIZE macro instead of sizeof(x)/sizeof(x[0]) and remove
duplicates of the macro.

Signed-off-by: Tobias Klauser <tklauser@nuerscht.ch>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

drivers/scsi/3w-xxxx.c

@@ -405,7 +405,7 @@ static int tw_decode_sense(TW_Device_Extension *tw_dev, int request_id, int fill
 	/* Attempt to return intelligent sense information */
 	if (fill_sense) {
 		if ((command->status == 0xc7) || (command->status == 0xcb)) {
-			for (i=0;i<(sizeof(tw_sense_table)/sizeof(tw_sense_table[0]));i++) {
+			for (i = 0; i < ARRAY_SIZE(tw_sense_table); i++) {
 				if (command->flags == tw_sense_table[i][0]) {
 
 					/* Valid bit and 'current errors' */
@@ -625,7 +625,7 @@ static int tw_aen_complete(TW_Device_Extension *tw_dev, int request_id)
 	if (aen == 0x0ff) {
 		printk(KERN_WARNING "3w-xxxx: scsi%d: AEN: INFO: AEN queue overflow.\n", tw_dev->host->host_no);
 	} else {
-		table_max = sizeof(tw_aen_string)/sizeof(char *);
+		table_max = ARRAY_SIZE(tw_aen_string);
 		if ((aen & 0x0ff) < table_max) {
 			if ((tw_aen_string[aen & 0xff][strlen(tw_aen_string[aen & 0xff])-1]) == '#') {
 				printk(KERN_WARNING "3w-xxxx: scsi%d: AEN: %s%d.\n", tw_dev->host->host_no, tw_aen_string[aen & 0xff], aen >> 8);
@@ -786,7 +786,7 @@ static int tw_aen_drain_queue(TW_Device_Extension *tw_dev)
 					if (aen == 0x0ff) {
 						printk(KERN_WARNING "3w-xxxx: AEN: INFO: AEN queue overflow.\n");
 					} else {
-						table_max = sizeof(tw_aen_string)/sizeof(char *);
+						table_max = ARRAY_SIZE(tw_aen_string);
 						if ((aen & 0x0ff) < table_max) {
 							if ((tw_aen_string[aen & 0xff][strlen(tw_aen_string[aen & 0xff])-1]) == '#') {
 								printk(KERN_WARNING "3w-xxxx: AEN: %s%d.\n", tw_aen_string[aen & 0xff], aen >> 8);

drivers/scsi/53c700.c

@@ -316,7 +316,7 @@ NCR_700_detect(struct scsi_host_template *tpnt,
 	BUG_ON(!dma_is_consistent(pScript) && L1_CACHE_BYTES < dma_get_cache_alignment());
 	hostdata->slots = (struct NCR_700_command_slot *)(memory + SLOTS_OFFSET);
 	hostdata->dev = dev;
-		
+
 	pSlots = pScript + SLOTS_OFFSET;
 
 	/* Fill in the missing routines from the host template */
@@ -332,19 +332,18 @@ NCR_700_detect(struct scsi_host_template *tpnt,
 	tpnt->slave_destroy = NCR_700_slave_destroy;
 	tpnt->change_queue_depth = NCR_700_change_queue_depth;
 	tpnt->change_queue_type = NCR_700_change_queue_type;
-	
+
 	if(tpnt->name == NULL)
 		tpnt->name = "53c700";
 	if(tpnt->proc_name == NULL)
 		tpnt->proc_name = "53c700";
-
 
 	host = scsi_host_alloc(tpnt, 4);
 	if (!host)
 		return NULL;
 	memset(hostdata->slots, 0, sizeof(struct NCR_700_command_slot)
 	       * NCR_700_COMMAND_SLOTS_PER_HOST);
-	for(j = 0; j < NCR_700_COMMAND_SLOTS_PER_HOST; j++) {
+	for (j = 0; j < NCR_700_COMMAND_SLOTS_PER_HOST; j++) {
 		dma_addr_t offset = (dma_addr_t)((unsigned long)&hostdata->slots[j].SG[0]
 					  - (unsigned long)&hostdata->slots[0].SG[0]);
 		hostdata->slots[j].pSG = (struct NCR_700_SG_List *)((unsigned long)(pSlots + offset));
@@ -355,14 +354,12 @@ NCR_700_detect(struct scsi_host_template *tpnt,
 		hostdata->slots[j].state = NCR_700_SLOT_FREE;
 	}
 
-	for(j = 0; j < sizeof(SCRIPT)/sizeof(SCRIPT[0]); j++) {
+	for (j = 0; j < ARRAY_SIZE(SCRIPT); j++)
 		script[j] = bS_to_host(SCRIPT[j]);
-	}
 
 	/* adjust all labels to be bus physical */
-	for(j = 0; j < PATCHES; j++) {
+	for (j = 0; j < PATCHES; j++)
 		script[LABELPATCHES[j]] = bS_to_host(pScript + SCRIPT[LABELPATCHES[j]]);
-	}
 	/* now patch up fixed addresses. */
 	script_patch_32(script, MessageLocation,
 			pScript + MSGOUT_OFFSET);
@@ -385,17 +382,17 @@ NCR_700_detect(struct scsi_host_template *tpnt,
 	host->hostdata[0] = (unsigned long)hostdata;
 	/* kick the chip */
 	NCR_700_writeb(0xff, host, CTEST9_REG);
-	if(hostdata->chip710) 
+	if (hostdata->chip710)
 		hostdata->rev = (NCR_700_readb(host, CTEST8_REG)>>4) & 0x0f;
 	else
 		hostdata->rev = (NCR_700_readb(host, CTEST7_REG)>>4) & 0x0f;
 	hostdata->fast = (NCR_700_readb(host, CTEST9_REG) == 0);
-	if(banner == 0) {
+	if (banner == 0) {
 		printk(KERN_NOTICE "53c700: Version " NCR_700_VERSION " By James.Bottomley@HansenPartnership.com\n");
 		banner = 1;
 	}
 	printk(KERN_NOTICE "scsi%d: %s rev %d %s\n", host->host_no,
-	       hostdata->chip710 ? "53c710" : 
+	       hostdata->chip710 ? "53c710" :
 	       (hostdata->fast ? "53c700-66" : "53c700"),
 	       hostdata->rev, hostdata->differential ?
 	       "(Differential)" : "");

drivers/scsi/53c7xx.c

@@ -361,7 +361,7 @@ int CmdPageStart = (0 - Ent_dsa_zero - sizeof(struct NCR53c7x0_cmd)) & 0xff;
 static char *setup_strings[] =
 	{"","","","","","","",""};
 
-#define MAX_SETUP_STRINGS (sizeof(setup_strings) / sizeof(char *))
+#define MAX_SETUP_STRINGS ARRAY_SIZE(setup_strings)
 #define SETUP_BUFFER_SIZE 200
 static char setup_buffer[SETUP_BUFFER_SIZE];
 static char setup_used[MAX_SETUP_STRINGS];
@@ -2190,15 +2190,15 @@ static const struct {
  */
 
 
-static void 
+static void
 synchronous (struct Scsi_Host *host, int target, char *msg) {
     struct NCR53c7x0_hostdata *hostdata = (struct NCR53c7x0_hostdata *)
 	host->hostdata[0];
     int desire, divisor, i, limit;
     unsigned char scntl3, sxfer;
 /* The diagnostic message fits on one line, even with max. width integers */
-    char buf[80];	
-   
+    char buf[80];
+
 /* Desired transfer clock in Hz */
     desire = 1000000000L / (msg[3] * 4);
 /* Scale the available SCSI clock by 10 so we get tenths */
@@ -2209,14 +2209,14 @@ synchronous (struct Scsi_Host *host, int target, char *msg) {
 	msg[4] = 8;
 
     if (hostdata->options & OPTION_DEBUG_SDTR)
-    	printk("scsi%d : optimal synchronous divisor of %d.%01d\n", 
+    	printk("scsi%d : optimal synchronous divisor of %d.%01d\n",
 	    host->host_no, divisor / 10, divisor % 10);
 
-    limit = (sizeof(syncs) / sizeof(syncs[0]) -1);
+    limit = ARRAY_SIZE(syncs) - 1;
     for (i = 0; (i < limit) && (divisor > syncs[i].div); ++i);
 
     if (hostdata->options & OPTION_DEBUG_SDTR)
-    	printk("scsi%d : selected synchronous divisor of %d.%01d\n", 
+    	printk("scsi%d : selected synchronous divisor of %d.%01d\n",
 	    host->host_no, syncs[i].div / 10, syncs[i].div % 10);
 
     msg[3] = ((1000000000L / hostdata->scsi_clock) * syncs[i].div / 10 / 4);

drivers/scsi/NCR53c406a.c

@@ -213,16 +213,16 @@ static void *addresses[] = {
 	(void *) 0xd8000,
 	(void *) 0xc8000
 };
-#define ADDRESS_COUNT (sizeof( addresses ) / sizeof( unsigned ))
+#define ADDRESS_COUNT ARRAY_SIZE(addresses)
 #endif				/* USE_BIOS */
 
 /* possible i/o port addresses */
 static unsigned short ports[] = { 0x230, 0x330, 0x280, 0x290, 0x330, 0x340, 0x300, 0x310, 0x348, 0x350 };
-#define PORT_COUNT (sizeof( ports ) / sizeof( unsigned short ))
+#define PORT_COUNT ARRAY_SIZE(ports)
 
 /* possible interrupt channels */
 static unsigned short intrs[] = { 10, 11, 12, 15 };
-#define INTR_COUNT (sizeof( intrs ) / sizeof( unsigned short ))
+#define INTR_COUNT ARRAY_SIZE(intrs)
 
 /* signatures for NCR 53c406a based controllers */
 #if USE_BIOS
@@ -236,7 +236,7 @@ struct signature {
 	{
 "Copyright (C) Acculogic, Inc.\r\n2.8M Diskette Extension Bios ver 4.04.03 03/01/1993", 61, 82},};
 
-#define SIGNATURE_COUNT (sizeof( signatures ) / sizeof( struct signature ))
+#define SIGNATURE_COUNT ARRAY_SIZE(signatures)
 #endif				/* USE_BIOS */
 
 /* ============================================================ */

drivers/scsi/aacraid/aachba.c

@@ -641,13 +641,13 @@ static void setinqstr(struct aac_dev *dev, void *data, int tindex)
 			cp[sizeof(str->pid)] = c;
 	} else {
 		struct aac_driver_ident *mp = aac_get_driver_ident(dev->cardtype);
-   
-		inqstrcpy (mp->vname, str->vid); 
+
+		inqstrcpy (mp->vname, str->vid);
 		/* last six chars reserved for vol type */
 		inqstrcpy (mp->model, str->pid);
 	}
 
-	if (tindex < (sizeof(container_types)/sizeof(char *))){
+	if (tindex < ARRAY_SIZE(container_types)){
 		char *findit = str->pid;
 
 		for ( ; *findit != ' '; findit++); /* walk till we find a space */
@@ -1576,7 +1576,7 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd)
 		 *	see: <vendor>.c i.e. aac.c
 		 */
 		if (scmd_id(scsicmd) == host->this_id) {
-			setinqstr(dev, (void *) (inq_data.inqd_vid), (sizeof(container_types)/sizeof(char *)));
+			setinqstr(dev, (void *) (inq_data.inqd_vid), ARRAY_SIZE(container_types));
 			inq_data.inqd_pdt = INQD_PDT_PROC;	/* Processor device */
 			aac_internal_transfer(scsicmd, &inq_data, 0, sizeof(inq_data));
 			scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
@@ -2381,7 +2381,7 @@ static struct aac_srb_status_info srb_status_info[] = {
 	{ SRB_STATUS_SUCCESS,		"Success"},
 	{ SRB_STATUS_ABORTED,		"Aborted Command"},
 	{ SRB_STATUS_ABORT_FAILED,	"Abort Failed"},
-	{ SRB_STATUS_ERROR,		"Error Event"}, 
+	{ SRB_STATUS_ERROR,		"Error Event"},
 	{ SRB_STATUS_BUSY,		"Device Busy"},
 	{ SRB_STATUS_INVALID_REQUEST,	"Invalid Request"},
 	{ SRB_STATUS_INVALID_PATH_ID,	"Invalid Path ID"},
@@ -2400,7 +2400,7 @@ static struct aac_srb_status_info srb_status_info[] = {
 	{ SRB_STATUS_BAD_SRB_BLOCK_LENGTH,"Bad Srb Block Length"},
 	{ SRB_STATUS_REQUEST_FLUSHED,	"Request Flushed"},
 	{ SRB_STATUS_DELAYED_RETRY,	"Delayed Retry"},
-	{ SRB_STATUS_INVALID_LUN,	"Invalid LUN"}, 
+	{ SRB_STATUS_INVALID_LUN,	"Invalid LUN"},
 	{ SRB_STATUS_INVALID_TARGET_ID,	"Invalid TARGET ID"},
 	{ SRB_STATUS_BAD_FUNCTION,	"Bad Function"},
 	{ SRB_STATUS_ERROR_RECOVERY,	"Error Recovery"},
@@ -2415,11 +2415,9 @@ char *aac_get_status_string(u32 status)
 {
 	int i;
 
-	for(i=0; i < (sizeof(srb_status_info)/sizeof(struct aac_srb_status_info)); i++ ){
-		if(srb_status_info[i].status == status){
+	for (i = 0; i < ARRAY_SIZE(srb_status_info); i++)
+		if (srb_status_info[i].status == status)
 			return srb_status_info[i].str;
-		}
-	}
 
 	return "Bad Status Code";
 }

drivers/scsi/aacraid/commctrl.c

@@ -535,7 +535,7 @@ static int aac_send_raw_srb(struct aac_dev* dev, void __user * arg)
 	default:
 		data_dir = DMA_NONE;
 	}
-	if (user_srbcmd->sg.count > (sizeof(sg_list)/sizeof(sg_list[0]))) {
+	if (user_srbcmd->sg.count > ARRAY_SIZE(sg_list)) {
 		dprintk((KERN_DEBUG"aacraid: too many sg entries %d\n",
 		  le32_to_cpu(srbcmd->sg.count)));
 		rcode = -EINVAL;

drivers/scsi/aha1542.c

@@ -1011,7 +1011,7 @@ static int __init do_setup(char *str)
 
 	int count=setup_idx;
 
-	get_options(str, sizeof(ints)/sizeof(int), ints);
+	get_options(str, ARRAY_SIZE(ints), ints);
 	aha1542_setup(str,ints);
 
 	return count<setup_idx;
@@ -1072,8 +1072,7 @@ static int __init aha1542_detect(struct scsi_host_template * tpnt)
 		int slot = 0;
 		int pos = 0;
 
-		for (indx = 0; (slot !=  MCA_NOTFOUND) && 
-			     (indx < sizeof(bases)/sizeof(bases[0])); indx++) {
+		for (indx = 0; (slot != MCA_NOTFOUND) && (indx < ARRAY_SIZE(bases)); indx++) {
 
 			if (bases[indx])
 				continue;
@@ -1083,10 +1082,9 @@ static int __init aha1542_detect(struct scsi_host_template * tpnt)
 			if (slot == MCA_NOTFOUND)
 				break;
 
-
 			/* Found one */
 			pos = mca_read_stored_pos(slot, 3);
-			
+
 			/* Decode address */
 			if (pos & 0x80) {
 				if (pos & 0x02) {
@@ -1118,23 +1116,22 @@ static int __init aha1542_detect(struct scsi_host_template * tpnt)
 			mca_set_adapter_name(slot, "Adapter AHA-1640");
 			mca_set_adapter_procfn(slot, NULL, NULL);
 			mca_mark_as_used(slot);
-			
+
 			/* Go on */
 			slot++;
 		}
-		
+
 	}
 #endif
 
 	/*
 	 *	Hunt for ISA Plug'n'Pray Adaptecs (AHA1535)
 	 */
-	 
+
 	if(isapnp)
 	{
 		struct pnp_dev *pdev = NULL;
-		for(indx = 0; indx <sizeof(bases)/sizeof(bases[0]);indx++)
-		{
+		for(indx = 0; indx < ARRAY_SIZE(bases); indx++) {
 			if(bases[indx])
 				continue;
 			pdev = pnp_find_dev(NULL, ISAPNP_VENDOR('A', 'D', 'P'), 
@@ -1144,29 +1141,29 @@ static int __init aha1542_detect(struct scsi_host_template * tpnt)
 			/*
 			 *	Activate the PnP card
 			 */
-			 
+
 			if(pnp_device_attach(pdev)<0)
 				continue;
-			
+
 			if(pnp_activate_dev(pdev)<0) {
 				pnp_device_detach(pdev);
 				continue;
 			}
-			
+
 			if(!pnp_port_valid(pdev, 0)) {
 				pnp_device_detach(pdev);
 				continue;
 			}
-				
+
 			bases[indx] = pnp_port_start(pdev, 0);
-			
+
 			/* The card can be queried for its DMA, we have 
 			   the DMA set up that is enough */
-			   
+
 			printk(KERN_INFO "ISAPnP found an AHA1535 at I/O 0x%03X\n", bases[indx]);
 		}
 	}
-	for (indx = 0; indx < sizeof(bases) / sizeof(bases[0]); indx++)
+	for (indx = 0; indx < ARRAY_SIZE(bases); indx++)
 		if (bases[indx] != 0 && request_region(bases[indx], 4, "aha1542")) {
 			shpnt = scsi_register(tpnt,
 					sizeof(struct aha1542_hostdata));

drivers/scsi/aic7xxx/aic7770.c

@@ -107,7 +107,7 @@ struct aic7770_identity aic7770_ident_table[] =
 		ahc_aic7770_EISA_setup
 	}
 };
-const int ahc_num_aic7770_devs = NUM_ELEMENTS(aic7770_ident_table);
+const int ahc_num_aic7770_devs = ARRAY_SIZE(aic7770_ident_table);
 
 struct aic7770_identity *
 aic7770_find_device(uint32_t id)

drivers/scsi/aic7xxx/aic79xx.h

@@ -68,8 +68,6 @@ struct scb_platform_data;
 #define FALSE 0
 #endif
 
-#define NUM_ELEMENTS(array) (sizeof(array) / sizeof(*array))
-
 #define ALL_CHANNELS '\0'
 #define ALL_TARGETS_MASK 0xFFFF
 #define INITIATOR_WILDCARD	(~0)

drivers/scsi/aic7xxx/aic79xx_core.c

@@ -59,7 +59,7 @@ char *ahd_chip_names[] =
 	"aic7902",
 	"aic7901A"
 };
-static const u_int num_chip_names = NUM_ELEMENTS(ahd_chip_names);
+static const u_int num_chip_names = ARRAY_SIZE(ahd_chip_names);
 
 /*
  * Hardware error codes.
@@ -77,7 +77,7 @@ static struct ahd_hard_error_entry ahd_hard_errors[] = {
 	{ MPARERR,	"Scratch or SCB Memory Parity Error" },
 	{ CIOPARERR,	"CIOBUS Parity Error" },
 };
-static const u_int num_errors = NUM_ELEMENTS(ahd_hard_errors);
+static const u_int num_errors = ARRAY_SIZE(ahd_hard_errors);
 
 static struct ahd_phase_table_entry ahd_phase_table[] =
 {
@@ -97,7 +97,7 @@ static struct ahd_phase_table_entry ahd_phase_table[] =
  * In most cases we only wish to itterate over real phases, so
  * exclude the last element from the count.
  */
-static const u_int num_phases = NUM_ELEMENTS(ahd_phase_table) - 1;
+static const u_int num_phases = ARRAY_SIZE(ahd_phase_table) - 1;
 
 /* Our Sequencer Program */
 #include "aic79xx_seq.h"
@@ -7259,7 +7259,7 @@ ahd_qinfifo_count(struct ahd_softc *ahd)
 		return (wrap_qinfifonext - wrap_qinpos);
 	else
 		return (wrap_qinfifonext
-		      + NUM_ELEMENTS(ahd->qinfifo) - wrap_qinpos);
+		      + ARRAY_SIZE(ahd->qinfifo) - wrap_qinpos);
 }
 
 void
@@ -8619,7 +8619,7 @@ ahd_check_patch(struct ahd_softc *ahd, struct patch **start_patch,
 	struct	patch *last_patch;
 	u_int	num_patches;
 
-	num_patches = sizeof(patches)/sizeof(struct patch);
+	num_patches = ARRAY_SIZE(patches);
 	last_patch = &patches[num_patches];
 	cur_patch = *start_patch;