[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>
diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index 46e8356..74818cc 100644
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -103,7 +103,7 @@
 };
 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
@@ -2833,7 +2833,7 @@
 	c->board_id = board_id;
 
 #ifdef CCISS_DEBUG
-	print_cfg_table(c->cfgtable); 
+	print_cfg_table(c->cfgtable);
 #endif /* CCISS_DEBUG */
 
 	for(i=0; i<NR_PRODUCTS; i++) {