[PATCH] fs: 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 deleted.

Signed-off-by: Tobias Klauser <tklauser@nuerscht.ch>
Cc: David Howells <dhowells@redhat.com>
Cc: Dave Kleikamp <shaggy@austin.ibm.com>
Acked-by: Trond Myklebust <trond.myklebust@fys.uio.no>
Cc: Neil Brown <neilb@cse.unsw.edu.au>
Cc: Chris Mason <mason@suse.com>
Cc: Jeff Mahoney <jeffm@suse.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Nathan Scott <nathans@sgi.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/fs/nls/nls_euc-jp.c b/fs/nls/nls_euc-jp.c
index 80f108a..06640c3 100644
--- a/fs/nls/nls_euc-jp.c
+++ b/fs/nls/nls_euc-jp.c
@@ -268,8 +268,6 @@
 	{0xFC, 0x4B},
 };
 
-#define MAP_ELEMENT_OF(map)	(sizeof(map) / sizeof(map[0]))
-
 static inline int sjisibm2euc(unsigned char *euc, const unsigned char sjis_hi,
 			      const unsigned char sjis_lo);
 static inline int euc2sjisibm_jisx0212(unsigned char *sjis, const unsigned char euc_hi,
@@ -310,7 +308,7 @@
 	unsigned short euc;
 
 	min_index = 0;
-	max_index = MAP_ELEMENT_OF(euc2sjisibm_jisx0212_map) - 1;
+	max_index = ARRAY_SIZE(euc2sjisibm_jisx0212_map) - 1;
 	euc = (euc_hi << 8) | euc_lo;
 
 	while (min_index <= max_index) {
@@ -339,7 +337,7 @@
 	else
 		index = ((euc_hi << 8) | euc_lo) - 0xF4A1 + 12;
 
-	if ((index < 0) || (index >= MAP_ELEMENT_OF(euc2sjisibm_g3upper_map)))
+	if ((index < 0) || (index >= ARRAY_SIZE(euc2sjisibm_g3upper_map)))
 		return 0;
 
 	sjis[0] = euc2sjisibm_g3upper_map[index][0];