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-rw-r--r--fs/fat/dir.c31
1 files changed, 18 insertions, 13 deletions
diff --git a/fs/fat/dir.c b/fs/fat/dir.c
index ccf161dffb63..72cbcd61bd95 100644
--- a/fs/fat/dir.c
+++ b/fs/fat/dir.c
@@ -313,7 +313,7 @@ int fat_search_long(struct inode *inode, const unsigned char *name,
313 wchar_t bufuname[14]; 313 wchar_t bufuname[14];
314 unsigned char xlate_len, nr_slots; 314 unsigned char xlate_len, nr_slots;
315 wchar_t *unicode = NULL; 315 wchar_t *unicode = NULL;
316 unsigned char work[8], bufname[260]; /* 256 + 4 */ 316 unsigned char work[MSDOS_NAME], bufname[260]; /* 256 + 4 */
317 int uni_xlate = sbi->options.unicode_xlate; 317 int uni_xlate = sbi->options.unicode_xlate;
318 int utf8 = sbi->options.utf8; 318 int utf8 = sbi->options.utf8;
319 int anycase = (sbi->options.name_check != 's'); 319 int anycase = (sbi->options.name_check != 's');
@@ -351,7 +351,8 @@ parse_record:
351 if (work[0] == 0x05) 351 if (work[0] == 0x05)
352 work[0] = 0xE5; 352 work[0] = 0xE5;
353 for (i = 0, j = 0, last_u = 0; i < 8;) { 353 for (i = 0, j = 0, last_u = 0; i < 8;) {
354 if (!work[i]) break; 354 if (!work[i])
355 break;
355 chl = fat_shortname2uni(nls_disk, &work[i], 8 - i, 356 chl = fat_shortname2uni(nls_disk, &work[i], 8 - i,
356 &bufuname[j++], opt_shortname, 357 &bufuname[j++], opt_shortname,
357 de->lcase & CASE_LOWER_BASE); 358 de->lcase & CASE_LOWER_BASE);
@@ -365,13 +366,15 @@ parse_record:
365 } 366 }
366 j = last_u; 367 j = last_u;
367 fat_short2uni(nls_disk, ".", 1, &bufuname[j++]); 368 fat_short2uni(nls_disk, ".", 1, &bufuname[j++]);
368 for (i = 0; i < 3;) { 369 for (i = 8; i < MSDOS_NAME;) {
369 if (!de->ext[i]) break; 370 if (!work[i])
370 chl = fat_shortname2uni(nls_disk, &de->ext[i], 3 - i, 371 break;
372 chl = fat_shortname2uni(nls_disk, &work[i],
373 MSDOS_NAME - i,
371 &bufuname[j++], opt_shortname, 374 &bufuname[j++], opt_shortname,
372 de->lcase & CASE_LOWER_EXT); 375 de->lcase & CASE_LOWER_EXT);
373 if (chl <= 1) { 376 if (chl <= 1) {
374 if (de->ext[i] != ' ') 377 if (work[i] != ' ')
375 last_u = j; 378 last_u = j;
376 } else { 379 } else {
377 last_u = j; 380 last_u = j;
@@ -445,7 +448,7 @@ static int __fat_readdir(struct inode *inode, struct file *filp, void *dirent,
445 int fill_len; 448 int fill_len;
446 wchar_t bufuname[14]; 449 wchar_t bufuname[14];
447 wchar_t *unicode = NULL; 450 wchar_t *unicode = NULL;
448 unsigned char c, work[8], bufname[56], *ptname = bufname; 451 unsigned char c, work[MSDOS_NAME], bufname[56], *ptname = bufname;
449 unsigned long lpos, dummy, *furrfu = &lpos; 452 unsigned long lpos, dummy, *furrfu = &lpos;
450 int uni_xlate = sbi->options.unicode_xlate; 453 int uni_xlate = sbi->options.unicode_xlate;
451 int isvfat = sbi->options.isvfat; 454 int isvfat = sbi->options.isvfat;
@@ -527,7 +530,8 @@ parse_record:
527 if (work[0] == 0x05) 530 if (work[0] == 0x05)
528 work[0] = 0xE5; 531 work[0] = 0xE5;
529 for (i = 0, j = 0, last = 0, last_u = 0; i < 8;) { 532 for (i = 0, j = 0, last = 0, last_u = 0; i < 8;) {
530 if (!(c = work[i])) break; 533 if (!(c = work[i]))
534 break;
531 chl = fat_shortname2uni(nls_disk, &work[i], 8 - i, 535 chl = fat_shortname2uni(nls_disk, &work[i], 8 - i,
532 &bufuname[j++], opt_shortname, 536 &bufuname[j++], opt_shortname,
533 de->lcase & CASE_LOWER_BASE); 537 de->lcase & CASE_LOWER_BASE);
@@ -549,9 +553,10 @@ parse_record:
549 j = last_u; 553 j = last_u;
550 fat_short2uni(nls_disk, ".", 1, &bufuname[j++]); 554 fat_short2uni(nls_disk, ".", 1, &bufuname[j++]);
551 ptname[i++] = '.'; 555 ptname[i++] = '.';
552 for (i2 = 0; i2 < 3;) { 556 for (i2 = 8; i2 < MSDOS_NAME;) {
553 if (!(c = de->ext[i2])) break; 557 if (!(c = work[i2]))
554 chl = fat_shortname2uni(nls_disk, &de->ext[i2], 3 - i2, 558 break;
559 chl = fat_shortname2uni(nls_disk, &work[i2], MSDOS_NAME - i2,
555 &bufuname[j++], opt_shortname, 560 &bufuname[j++], opt_shortname,
556 de->lcase & CASE_LOWER_EXT); 561 de->lcase & CASE_LOWER_EXT);
557 if (chl <= 1) { 562 if (chl <= 1) {
@@ -563,8 +568,8 @@ parse_record:
563 } 568 }
564 } else { 569 } else {
565 last_u = j; 570 last_u = j;
566 for (chi = 0; chi < chl && i2 < 3; chi++) { 571 for (chi = 0; chi < chl && i2 < MSDOS_NAME; chi++) {
567 ptname[i++] = de->ext[i2++]; 572 ptname[i++] = work[i2++];
568 last = i; 573 last = i;
569 } 574 }
570 } 575 }