[PATCH] NLS: Fix overflow of nls_ascii

The nls_ascii conversion table is just for 128 entries, but should be
256.
Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

fs/nls/nls_ascii.c

@@ -13,7 +13,7 @@
 #include <linux/nls.h>
 #include <linux/errno.h>
 
-static wchar_t charset2uni[128] = {
+static wchar_t charset2uni[256] = {
 	/* 0x00*/
 	0x0000, 0x0001, 0x0002, 0x0003,
 	0x0004, 0x0005, 0x0006, 0x0007,
@@ -56,7 +56,7 @@ static wchar_t charset2uni[128] = {
 	0x007c, 0x007d, 0x007e, 0x007f,
 };
 
-static unsigned char page00[128] = {
+static unsigned char page00[256] = {
 	0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */
 	0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */
 	0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */
@@ -75,11 +75,11 @@ static unsigned char page00[128] = {
 	0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f, /* 0x78-0x7f */
 };
 
-static unsigned char *page_uni2charset[128] = {
-	page00, NULL,   NULL,   NULL,   NULL,   NULL,   NULL,   NULL,
+static unsigned char *page_uni2charset[256] = {
+	page00,
 };
 
-static unsigned char charset2lower[128] = {
+static unsigned char charset2lower[256] = {
 	0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */
 	0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */
 	0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */
@@ -98,7 +98,7 @@ static unsigned char charset2lower[128] = {
 	0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f, /* 0x78-0x7f */
 };
 
-static unsigned char charset2upper[128] = {
+static unsigned char charset2upper[256] = {
 	0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */
 	0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */
 	0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */