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-rw-r--r--fs/fat/dir.c29
-rw-r--r--fs/fat/namei_vfat.c4
2 files changed, 17 insertions, 16 deletions
diff --git a/fs/fat/dir.c b/fs/fat/dir.c
index f3500294eec5..7c14c8cbbaba 100644
--- a/fs/fat/dir.c
+++ b/fs/fat/dir.c
@@ -22,6 +22,19 @@
22#include <asm/uaccess.h> 22#include <asm/uaccess.h>
23#include "fat.h" 23#include "fat.h"
24 24
25/*
26 * Maximum buffer size of short name.
27 * [(MSDOS_NAME + '.') * max one char + nul]
28 * For msdos style, ['.' (hidden) + MSDOS_NAME + '.' + nul]
29 */
30#define FAT_MAX_SHORT_SIZE ((MSDOS_NAME + 1) * NLS_MAX_CHARSET_SIZE + 1)
31/*
32 * Maximum buffer size of unicode chars from slots.
33 * [(max longname slots * 13 (size in a slot) + nul) * sizeof(wchar_t)]
34 */
35#define FAT_MAX_UNI_CHARS ((MSDOS_SLOTS - 1) * 13 + 1)
36#define FAT_MAX_UNI_SIZE (FAT_MAX_UNI_CHARS * sizeof(wchar_t))
37
25static inline loff_t fat_make_i_pos(struct super_block *sb, 38static inline loff_t fat_make_i_pos(struct super_block *sb,
26 struct buffer_head *bh, 39 struct buffer_head *bh,
27 struct msdos_dir_entry *de) 40 struct msdos_dir_entry *de)
@@ -171,7 +184,8 @@ static inline int fat_uni_to_x8(struct msdos_sb_info *sbi, const wchar_t *uni,
171 unsigned char *buf, int size) 184 unsigned char *buf, int size)
172{ 185{
173 if (sbi->options.utf8) 186 if (sbi->options.utf8)
174 return utf8_wcstombs(buf, uni, size); 187 return utf16s_to_utf8s(uni, FAT_MAX_UNI_CHARS,
188 UTF16_HOST_ENDIAN, buf, size);
175 else 189 else
176 return uni16_to_x8(buf, uni, size, sbi->options.unicode_xlate, 190 return uni16_to_x8(buf, uni, size, sbi->options.unicode_xlate,
177 sbi->nls_io); 191 sbi->nls_io);
@@ -325,19 +339,6 @@ parse_long:
325} 339}
326 340
327/* 341/*
328 * Maximum buffer size of short name.
329 * [(MSDOS_NAME + '.') * max one char + nul]
330 * For msdos style, ['.' (hidden) + MSDOS_NAME + '.' + nul]
331 */
332#define FAT_MAX_SHORT_SIZE ((MSDOS_NAME + 1) * NLS_MAX_CHARSET_SIZE + 1)
333/*
334 * Maximum buffer size of unicode chars from slots.
335 * [(max longname slots * 13 (size in a slot) + nul) * sizeof(wchar_t)]
336 */
337#define FAT_MAX_UNI_CHARS ((MSDOS_SLOTS - 1) * 13 + 1)
338#define FAT_MAX_UNI_SIZE (FAT_MAX_UNI_CHARS * sizeof(wchar_t))
339
340/*
341 * Return values: negative -> error, 0 -> not found, positive -> found, 342 * Return values: negative -> error, 0 -> not found, positive -> found,
342 * value is the total amount of slots, including the shortname entry. 343 * value is the total amount of slots, including the shortname entry.
343 */ 344 */
diff --git a/fs/fat/namei_vfat.c b/fs/fat/namei_vfat.c
index b50ecbe97f83..f92ad9995356 100644
--- a/fs/fat/namei_vfat.c
+++ b/fs/fat/namei_vfat.c
@@ -502,11 +502,11 @@ xlate_to_uni(const unsigned char *name, int len, unsigned char *outname,
502 if (utf8) { 502 if (utf8) {
503 int name_len = strlen(name); 503 int name_len = strlen(name);
504 504
505 *outlen = utf8_mbstowcs((wchar_t *)outname, name, PATH_MAX); 505 *outlen = utf8s_to_utf16s(name, PATH_MAX, (wchar_t *) outname);
506 506
507 /* 507 /*
508 * We stripped '.'s before and set len appropriately, 508 * We stripped '.'s before and set len appropriately,
509 * but utf8_mbstowcs doesn't care about len 509 * but utf8s_to_utf16s doesn't care about len
510 */ 510 */
511 *outlen -= (name_len - len); 511 *outlen -= (name_len - len);
512 512