[PATCH] drivers/block: Use ARRAY_SIZE macro

Use ARRAY_SIZE macro instead of sizeof(x)/sizeof(x[0]) and remove a
duplicate of ARRAY_SIZE. Some trailing whitespaces are also removed.

drivers/block/acsi* has been left out as it's marked BROKEN.
Signed-off-by: Tobias Klauser <tklauser@nuerscht.ch>
Cc: Jens Axboe <axboe@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

drivers/block/DAC960.c

@@ -3760,7 +3760,7 @@ static void DAC960_V1_ProcessCompletedCommand(DAC960_Command_T *Command)
 	      if (SenseKey == DAC960_SenseKey_VendorSpecific &&
 		  AdditionalSenseCode == 0x80 &&
 		  AdditionalSenseCodeQualifier <
-		  sizeof(DAC960_EventMessages) / sizeof(char *))
+		  ARRAY_SIZE(DAC960_EventMessages))
 		DAC960_Critical("Physical Device %d:%d %s\n", Controller,
 				EventLogEntry->Channel,
 				EventLogEntry->TargetID,

drivers/block/amiflop.c

@@ -131,7 +131,7 @@ static struct fd_drive_type drive_types[] = {
 { FD_DD_5,	"DD 5.25", 40, 2, 14716, 13630, 1, 40, 81, 6, 30, 2},
 { FD_NODRIVE, "No Drive", 0, 0,     0,     0, 0,  0,  0,  0,  0, 0}
 };
-static int num_dr_types = sizeof(drive_types) / sizeof(drive_types[0]);
+static int num_dr_types = ARRAY_SIZE(drive_types);
 
 static int amiga_read(int), dos_read(int);
 static void amiga_write(int), dos_write(int);

drivers/block/ataflop.c

@@ -181,7 +181,7 @@ static struct {
 	{  6, TYPE_HD },	/* 31: H1640    <- was H1600 == h1600 for PC */
 };
 
-#define NUM_DISK_MINORS (sizeof(minor2disktype)/sizeof(*minor2disktype))
+#define NUM_DISK_MINORS ARRAY_SIZE(minor2disktype)
 
 /*
  * Maximum disk size (in kilobytes). This default is used whenever the

drivers/block/cciss.c

@@ -103,7 +103,7 @@ static const struct pci_device_id cciss_pci_device_id[] = {
 };
 MODULE_DEVICE_TABLE(pci, cciss_pci_device_id);
 
-#define NR_PRODUCTS (sizeof(products)/sizeof(struct board_type))
+#define NR_PRODUCTS ARRAY_SIZE(products)
 
 /*  board_id = Subsystem Device ID & Vendor ID
  *  product = Marketing Name for the board

drivers/block/cpqarray.c

@@ -72,7 +72,7 @@ static ctlr_info_t *hba[MAX_CTLR];
 
 static int eisa[8];
 
-#define NR_PRODUCTS (sizeof(products)/sizeof(struct board_type))
+#define NR_PRODUCTS ARRAY_SIZE(products)
 
 /*  board_id = Subsystem Device ID & Vendor ID
  *  product = Marketing Name for the board

drivers/block/floppy.c

@@ -479,7 +479,6 @@ static struct floppy_struct floppy_type[32] = {
 	{ 3200,20,2,80,0,0x1C,0x00,0xCF,0x2C,"H1600" }, /* 31 1.6MB 3.5"    */
 };
 
-#define	NUMBER(x)	(sizeof(x) / sizeof(*(x)))
 #define SECTSIZE (_FD_SECTSIZE(*floppy))
 
 /* Auto-detection: Disk type used until the next media change occurs. */
@@ -3645,7 +3644,7 @@ static void __init config_types(void)
 		const char *name = NULL;
 		static char temparea[32];
 
-		if (type < NUMBER(default_drive_params)) {
+		if (type < ARRAY_SIZE(default_drive_params)) {
 			params = &default_drive_params[type].params;
 			if (type) {
 				name = default_drive_params[type].name;
@@ -3961,7 +3960,7 @@ static void __init register_devfs_entries(int drive)
 {
 	int base_minor = (drive < 4) ? drive : (124 + drive);
 
-	if (UDP->cmos < NUMBER(default_drive_params)) {
+	if (UDP->cmos < ARRAY_SIZE(default_drive_params)) {
 		int i = 0;
 		do {
 			int minor = base_minor + (table_sup[UDP->cmos][i] << 2);
@@ -4219,7 +4218,7 @@ static struct kobject *floppy_find(dev_t dev, int *part, void *data)
 	    !(allowed_drive_mask & (1 << drive)) ||
 	    fdc_state[FDC(drive)].version == FDC_NONE)
 		return NULL;
-	if (((*part >> 2) & 0x1f) >= NUMBER(floppy_type))
+	if (((*part >> 2) & 0x1f) >= ARRAY_SIZE(floppy_type))
 		return NULL;
 	*part = 0;
 	return get_disk(disks[drive]);
@@ -4571,7 +4570,7 @@ static void unregister_devfs_entries(int drive)
 {
 	int i;
 
-	if (UDP->cmos < NUMBER(default_drive_params)) {
+	if (UDP->cmos < ARRAY_SIZE(default_drive_params)) {
 		i = 0;
 		do {
 			devfs_remove("floppy/%d%s", drive,

drivers/block/xd.c

@@ -279,11 +279,11 @@ static u_char __init xd_detect (u_char *controller, unsigned int *address)
 		return(1);
 	}
 
-	for (i = 0; i < (sizeof(xd_bases) / sizeof(xd_bases[0])); i++) {
+	for (i = 0; i < ARRAY_SIZE(xd_bases); i++) {
 		void __iomem *p = ioremap(xd_bases[i], 0x2000);
 		if (!p)
 			continue;
-		for (j = 1; j < (sizeof(xd_sigs) / sizeof(xd_sigs[0])); j++) {
+		for (j = 1; j < ARRAY_SIZE(xd_sigs); j++) {
 			const char *s = xd_sigs[j].string;
 			if (check_signature(p + xd_sigs[j].offset, s, strlen(s))) {
 				*controller = j;
@@ -1018,7 +1018,7 @@ static void __init do_xd_setup (int *integers)
 		case 2: if ((integers[2] > 0) && (integers[2] < 16))
 				xd_irq = integers[2];
 		case 1: xd_override = 1;
-			if ((integers[1] >= 0) && (integers[1] < (sizeof(xd_sigs) / sizeof(xd_sigs[0]))))
+			if ((integers[1] >= 0) && (integers[1] < ARRAY_SIZE(xd_sigs)))
 				xd_type = integers[1];
 		case 0: break;
 		default:printk("xd: too many parameters for xd\n");