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-rw-r--r--fs/cifs/cifs_unicode.c35
-rw-r--r--fs/cifs/cifs_unicode.h2
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 */
266int 266int
267cifsConvertToUCS(__le16 *target, const char *source, int maxlen, 267cifsConvertToUCS(__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
332ctoUCS_out: 331ctoUCS_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)