diff options
Diffstat (limited to 'fs')
-rw-r--r-- | fs/cifs/cifs_unicode.c | 35 | ||||
-rw-r--r-- | fs/cifs/cifs_unicode.h | 2 |
2 files changed, 18 insertions, 19 deletions
diff --git a/fs/cifs/cifs_unicode.c b/fs/cifs/cifs_unicode.c index fc0fd4fde306..23d43cde4306 100644 --- a/fs/cifs/cifs_unicode.c +++ b/fs/cifs/cifs_unicode.c | |||
@@ -90,7 +90,7 @@ cifs_mapchar(char *target, const __u16 src_char, const struct nls_table *cp, | |||
90 | case UNI_COLON: | 90 | case UNI_COLON: |
91 | *target = ':'; | 91 | *target = ':'; |
92 | break; | 92 | break; |
93 | case UNI_ASTERIK: | 93 | case UNI_ASTERISK: |
94 | *target = '*'; | 94 | *target = '*'; |
95 | break; | 95 | break; |
96 | case UNI_QUESTION: | 96 | case UNI_QUESTION: |
@@ -264,40 +264,40 @@ cifs_strndup_from_ucs(const char *src, const int maxlen, const bool is_unicode, | |||
264 | * names are little endian 16 bit Unicode on the wire | 264 | * names are little endian 16 bit Unicode on the wire |
265 | */ | 265 | */ |
266 | int | 266 | int |
267 | cifsConvertToUCS(__le16 *target, const char *source, int maxlen, | 267 | cifsConvertToUCS(__le16 *target, const char *source, int srclen, |
268 | const struct nls_table *cp, int mapChars) | 268 | const struct nls_table *cp, int mapChars) |
269 | { | 269 | { |
270 | int i, j, charlen; | 270 | int i, j, charlen; |
271 | int len_remaining = maxlen; | ||
272 | char src_char; | 271 | char src_char; |
273 | __u16 temp; | 272 | __le16 dst_char; |
273 | wchar_t tmp; | ||
274 | 274 | ||
275 | if (!mapChars) | 275 | if (!mapChars) |
276 | return cifs_strtoUCS(target, source, PATH_MAX, cp); | 276 | return cifs_strtoUCS(target, source, PATH_MAX, cp); |
277 | 277 | ||
278 | for (i = 0, j = 0; i < maxlen; j++) { | 278 | for (i = 0, j = 0; i < srclen; j++) { |
279 | src_char = source[i]; | 279 | src_char = source[i]; |
280 | switch (src_char) { | 280 | switch (src_char) { |
281 | case 0: | 281 | case 0: |
282 | put_unaligned_le16(0, &target[j]); | 282 | put_unaligned(0, &target[j]); |
283 | goto ctoUCS_out; | 283 | goto ctoUCS_out; |
284 | case ':': | 284 | case ':': |
285 | temp = UNI_COLON; | 285 | dst_char = cpu_to_le16(UNI_COLON); |
286 | break; | 286 | break; |
287 | case '*': | 287 | case '*': |
288 | temp = UNI_ASTERIK; | 288 | dst_char = cpu_to_le16(UNI_ASTERISK); |
289 | break; | 289 | break; |
290 | case '?': | 290 | case '?': |
291 | temp = UNI_QUESTION; | 291 | dst_char = cpu_to_le16(UNI_QUESTION); |
292 | break; | 292 | break; |
293 | case '<': | 293 | case '<': |
294 | temp = UNI_LESSTHAN; | 294 | dst_char = cpu_to_le16(UNI_LESSTHAN); |
295 | break; | 295 | break; |
296 | case '>': | 296 | case '>': |
297 | temp = UNI_GRTRTHAN; | 297 | dst_char = cpu_to_le16(UNI_GRTRTHAN); |
298 | break; | 298 | break; |
299 | case '|': | 299 | case '|': |
300 | temp = UNI_PIPE; | 300 | dst_char = cpu_to_le16(UNI_PIPE); |
301 | break; | 301 | break; |
302 | /* | 302 | /* |
303 | * FIXME: We can not handle remapping backslash (UNI_SLASH) | 303 | * FIXME: We can not handle remapping backslash (UNI_SLASH) |
@@ -305,17 +305,17 @@ cifsConvertToUCS(__le16 *target, const char *source, int maxlen, | |||
305 | * as they use backslash as separator. | 305 | * as they use backslash as separator. |
306 | */ | 306 | */ |
307 | default: | 307 | default: |
308 | charlen = cp->char2uni(source+i, len_remaining, | 308 | charlen = cp->char2uni(source + i, srclen - i, &tmp); |
309 | &temp); | 309 | dst_char = cpu_to_le16(tmp); |
310 | |||
310 | /* | 311 | /* |
311 | * if no match, use question mark, which at least in | 312 | * if no match, use question mark, which at least in |
312 | * some cases serves as wild card | 313 | * some cases serves as wild card |
313 | */ | 314 | */ |
314 | if (charlen < 1) { | 315 | if (charlen < 1) { |
315 | temp = 0x003f; | 316 | dst_char = cpu_to_le16(0x003f); |
316 | charlen = 1; | 317 | charlen = 1; |
317 | } | 318 | } |
318 | len_remaining -= charlen; | ||
319 | /* | 319 | /* |
320 | * character may take more than one byte in the source | 320 | * character may take more than one byte in the source |
321 | * string, but will take exactly two bytes in the | 321 | * string, but will take exactly two bytes in the |
@@ -324,9 +324,8 @@ cifsConvertToUCS(__le16 *target, const char *source, int maxlen, | |||
324 | i += charlen; | 324 | i += charlen; |
325 | continue; | 325 | continue; |
326 | } | 326 | } |
327 | put_unaligned_le16(temp, &target[j]); | 327 | put_unaligned(dst_char, &target[j]); |
328 | i++; /* move to next char in source string */ | 328 | i++; /* move to next char in source string */ |
329 | len_remaining--; | ||
330 | } | 329 | } |
331 | 330 | ||
332 | ctoUCS_out: | 331 | ctoUCS_out: |
diff --git a/fs/cifs/cifs_unicode.h b/fs/cifs/cifs_unicode.h index 7fe6b52df507..644dd882a560 100644 --- a/fs/cifs/cifs_unicode.h +++ b/fs/cifs/cifs_unicode.h | |||
@@ -44,7 +44,7 @@ | |||
44 | * reserved symbols (along with \ and /), otherwise illegal to store | 44 | * reserved symbols (along with \ and /), otherwise illegal to store |
45 | * in filenames in NTFS | 45 | * in filenames in NTFS |
46 | */ | 46 | */ |
47 | #define UNI_ASTERIK (__u16) ('*' + 0xF000) | 47 | #define UNI_ASTERISK (__u16) ('*' + 0xF000) |
48 | #define UNI_QUESTION (__u16) ('?' + 0xF000) | 48 | #define UNI_QUESTION (__u16) ('?' + 0xF000) |
49 | #define UNI_COLON (__u16) (':' + 0xF000) | 49 | #define UNI_COLON (__u16) (':' + 0xF000) |
50 | #define UNI_GRTRTHAN (__u16) ('>' + 0xF000) | 50 | #define UNI_GRTRTHAN (__u16) ('>' + 0xF000) |