Commit acbbb76a authored by Steve French's avatar Steve French
Browse files

CIFS: Rename *UCS* functions to *UTF16* 



to reflect the unicode encoding used by CIFS protocol.

Signed-off-by: default avatarPavel Shilovsky <piastry@etersoft.ru>
Acked-by: default avatarJeff Layton <jlayton@samba.org>
Reviewed-by: default avatarShirish Pargaonkar <shirishpargaonkar@gmail.com>
parent c5600187

fs/cifs/cifs_unicode.c

+21 −20
Original line number Diff line number Diff line
@@ -27,17 +27,17 @@ 
#include "cifs_debug.h"



/*

 * cifs_ucs2_bytes - how long will a string be after conversion?

 * @ucs - pointer to input string

 * cifs_utf16_bytes - how long will a string be after conversion?

 * @utf16 - pointer to input string

 * @maxbytes - don't go past this many bytes of input string

 * @codepage - destination codepage

 *

 * Walk a ucs2le string and return the number of bytes that the string will

 * Walk a utf16le string and return the number of bytes that the string will

 * be after being converted to the given charset, not including any null

 * termination required. Don't walk past maxbytes in the source buffer.

 */

int

cifs_ucs2_bytes(const __le16 *from, int maxbytes,

cifs_utf16_bytes(const __le16 *from, int maxbytes,

		const struct nls_table *codepage)

{

	int i;
@@ -122,7 +122,7 @@ cp_convert: 
}



/*

 * cifs_from_ucs2 - convert utf16le string to local charset

 * cifs_from_utf16 - convert utf16le string to local charset

 * @to - destination buffer

 * @from - source buffer

 * @tolen - destination buffer size (in bytes)
@@ -130,7 +130,7 @@ cp_convert: 
 * @codepage - codepage to which characters should be converted

 * @mapchar - should characters be remapped according to the mapchars option?

 *

 * Convert a little-endian ucs2le string (as sent by the server) to a string

 * Convert a little-endian utf16le string (as sent by the server) to a string

 * in the provided codepage. The tolen and fromlen parameters are to ensure

 * that the code doesn't walk off of the end of the buffer (which is always

 * a danger if the alignment of the source buffer is off). The destination
@@ -139,12 +139,12 @@ cp_convert: 
 * null terminator).

 *

 * Note that some windows versions actually send multiword UTF-16 characters

 * instead of straight UCS-2. The linux nls routines however aren't able to

 * instead of straight UTF16-2. The linux nls routines however aren't able to

 * deal with those characters properly. In the event that we get some of

 * those characters, they won't be translated properly.

 */

int

cifs_from_ucs2(char *to, const __le16 *from, int tolen, int fromlen,

cifs_from_utf16(char *to, const __le16 *from, int tolen, int fromlen,

		 const struct nls_table *codepage, bool mapchar)

{

	int i, charlen, safelen;
@@ -190,13 +190,13 @@ cifs_from_ucs2(char *to, const __le16 *from, int tolen, int fromlen, 
}



/*

 * NAME:	cifs_strtoUCS()

 * NAME:	cifs_strtoUTF16()

 *

 * FUNCTION:	Convert character string to unicode string

 *

 */

int

cifs_strtoUCS(__le16 *to, const char *from, int len,

cifs_strtoUTF16(__le16 *to, const char *from, int len,

	      const struct nls_table *codepage)

{

	int charlen;
@@ -206,7 +206,7 @@ cifs_strtoUCS(__le16 *to, const char *from, int len, 
	for (i = 0; len && *from; i++, from += charlen, len -= charlen) {

		charlen = codepage->char2uni(from, len, &wchar_to);

		if (charlen < 1) {

			cERROR(1, "strtoUCS: char2uni of 0x%x returned %d",

			cERROR(1, "strtoUTF16: char2uni of 0x%x returned %d",

				*from, charlen);

			/* A question mark */

			wchar_to = 0x003f;
@@ -220,7 +220,8 @@ cifs_strtoUCS(__le16 *to, const char *from, int len, 
}



/*

 * cifs_strndup_from_ucs - copy a string from wire format to the local codepage

 * cifs_strndup_from_utf16 - copy a string from wire format to the local

 * codepage

 * @src - source string

 * @maxlen - don't walk past this many bytes in the source string

 * @is_unicode - is this a unicode string?
@@ -231,19 +232,19 @@ cifs_strtoUCS(__le16 *to, const char *from, int len, 
 * error.

 */

char *

cifs_strndup_from_ucs(const char *src, const int maxlen, const bool is_unicode,

	     const struct nls_table *codepage)

cifs_strndup_from_utf16(const char *src, const int maxlen,

			const bool is_unicode, const struct nls_table *codepage)

{

	int len;

	char *dst;



	if (is_unicode) {

		len = cifs_ucs2_bytes((__le16 *) src, maxlen, codepage);

		len = cifs_utf16_bytes((__le16 *) src, maxlen, codepage);

		len += nls_nullsize(codepage);

		dst = kmalloc(len, GFP_KERNEL);

		if (!dst)

			return NULL;

		cifs_from_ucs2(dst, (__le16 *) src, len, maxlen, codepage,

		cifs_from_utf16(dst, (__le16 *) src, len, maxlen, codepage,

			       false);

	} else {

		len = strnlen(src, maxlen);
@@ -264,7 +265,7 @@ cifs_strndup_from_ucs(const char *src, const int maxlen, const bool is_unicode, 
 * names are little endian 16 bit Unicode on the wire

 */

int

cifsConvertToUCS(__le16 *target, const char *source, int srclen,

cifsConvertToUTF16(__le16 *target, const char *source, int srclen,

		 const struct nls_table *cp, int mapChars)

{

	int i, j, charlen;
@@ -273,7 +274,7 @@ cifsConvertToUCS(__le16 *target, const char *source, int srclen, 
	wchar_t tmp;



	if (!mapChars)

		return cifs_strtoUCS(target, source, PATH_MAX, cp);

		return cifs_strtoUTF16(target, source, PATH_MAX, cp);



	for (i = 0, j = 0; i < srclen; j++) {

		src_char = source[i];
@@ -281,7 +282,7 @@ cifsConvertToUCS(__le16 *target, const char *source, int srclen, 
		switch (src_char) {

		case 0:

			put_unaligned(0, &target[j]);

			goto ctoUCS_out;

			goto ctoUTF16_out;

		case ':':

			dst_char = cpu_to_le16(UNI_COLON);

			break;
@@ -326,7 +327,7 @@ cifsConvertToUCS(__le16 *target, const char *source, int srclen, 
		put_unaligned(dst_char, &target[j]);

	}



ctoUCS_out:

ctoUTF16_out:

	return i;

}

fs/cifs/cifs_unicode.h

+10 −10
Original line number Diff line number Diff line
@@ -74,15 +74,15 @@ extern const struct UniCaseRange CifsUniLowerRange[]; 
#endif				/* UNIUPR_NOLOWER */



#ifdef __KERNEL__

int cifs_from_ucs2(char *to, const __le16 *from, int tolen, int fromlen,

int cifs_from_utf16(char *to, const __le16 *from, int tolen, int fromlen,

		    const struct nls_table *codepage, bool mapchar);

int cifs_ucs2_bytes(const __le16 *from, int maxbytes,

int cifs_utf16_bytes(const __le16 *from, int maxbytes,

		     const struct nls_table *codepage);

int cifs_strtoUCS(__le16 *, const char *, int, const struct nls_table *);

char *cifs_strndup_from_ucs(const char *src, const int maxlen,

int cifs_strtoUTF16(__le16 *, const char *, int, const struct nls_table *);

char *cifs_strndup_from_utf16(const char *src, const int maxlen,

			      const bool is_unicode,

			      const struct nls_table *codepage);

extern int cifsConvertToUCS(__le16 *target, const char *source, int maxlen,

extern int cifsConvertToUTF16(__le16 *target, const char *source, int maxlen,

			      const struct nls_table *cp, int mapChars);



#endif

fs/cifs/cifsencrypt.c

+6 −6
Original line number Diff line number Diff line
@@ -327,7 +327,7 @@ build_avpair_blob(struct cifs_ses *ses, const struct nls_table *nls_cp) 
	attrptr->type = cpu_to_le16(NTLMSSP_AV_NB_DOMAIN_NAME);

	attrptr->length = cpu_to_le16(2 * dlen);

	blobptr = (unsigned char *)attrptr + sizeof(struct ntlmssp2_name);

	cifs_strtoUCS((__le16 *)blobptr, ses->domainName, dlen, nls_cp);

	cifs_strtoUTF16((__le16 *)blobptr, ses->domainName, dlen, nls_cp);



	return 0;

}
@@ -376,7 +376,7 @@ find_domain_name(struct cifs_ses *ses, const struct nls_table *nls_cp) 
					kmalloc(attrsize + 1, GFP_KERNEL);

				if (!ses->domainName)

						return -ENOMEM;

				cifs_from_ucs2(ses->domainName,

				cifs_from_utf16(ses->domainName,

					(__le16 *)blobptr, attrsize, attrsize,

					nls_cp, false);

				break;
@@ -429,7 +429,7 @@ static int calc_ntlmv2_hash(struct cifs_ses *ses, char *ntlmv2_hash, 
	}



	if (len) {

		len = cifs_strtoUCS((__le16 *)user, ses->user_name, len, nls_cp);

		len = cifs_strtoUTF16((__le16 *)user, ses->user_name, len, nls_cp);

		UniStrupr(user);

	} else {

		memset(user, '\0', 2);
@@ -453,7 +453,7 @@ static int calc_ntlmv2_hash(struct cifs_ses *ses, char *ntlmv2_hash, 
			rc = -ENOMEM;

			return rc;

		}

		len = cifs_strtoUCS((__le16 *)domain, ses->domainName, len,

		len = cifs_strtoUTF16((__le16 *)domain, ses->domainName, len,

				      nls_cp);

		rc =

		crypto_shash_update(&ses->server->secmech.sdeschmacmd5->shash,
@@ -473,7 +473,7 @@ static int calc_ntlmv2_hash(struct cifs_ses *ses, char *ntlmv2_hash, 
			rc = -ENOMEM;

			return rc;

		}

		len = cifs_strtoUCS((__le16 *)server, ses->serverName, len,

		len = cifs_strtoUTF16((__le16 *)server, ses->serverName, len,

					nls_cp);

		rc =

		crypto_shash_update(&ses->server->secmech.sdeschmacmd5->shash,

fs/cifs/cifssmb.c

+84 −78
Original line number Diff line number Diff line
@@ -821,7 +821,7 @@ PsxDelete: 


	if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {

		name_len =

		    cifsConvertToUCS((__le16 *) pSMB->FileName, fileName,

		    cifsConvertToUTF16((__le16 *) pSMB->FileName, fileName,

				       PATH_MAX, nls_codepage, remap);

		name_len++;	/* trailing null */

		name_len *= 2;
@@ -893,7 +893,7 @@ DelFileRetry: 


	if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {

		name_len =

		    cifsConvertToUCS((__le16 *) pSMB->fileName, fileName,

		    cifsConvertToUTF16((__le16 *) pSMB->fileName, fileName,

				       PATH_MAX, nls_codepage, remap);

		name_len++;	/* trailing null */

		name_len *= 2;
@@ -938,7 +938,7 @@ RmDirRetry: 
		return rc;



	if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {

		name_len = cifsConvertToUCS((__le16 *) pSMB->DirName, dirName,

		name_len = cifsConvertToUTF16((__le16 *) pSMB->DirName, dirName,

					      PATH_MAX, nls_codepage, remap);

		name_len++;	/* trailing null */

		name_len *= 2;
@@ -981,7 +981,7 @@ MkDirRetry: 
		return rc;



	if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {

		name_len = cifsConvertToUCS((__le16 *) pSMB->DirName, name,

		name_len = cifsConvertToUTF16((__le16 *) pSMB->DirName, name,

					      PATH_MAX, nls_codepage, remap);

		name_len++;	/* trailing null */

		name_len *= 2;
@@ -1030,7 +1030,7 @@ PsxCreat: 


	if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {

		name_len =

		    cifsConvertToUCS((__le16 *) pSMB->FileName, name,

		    cifsConvertToUTF16((__le16 *) pSMB->FileName, name,

				       PATH_MAX, nls_codepage, remap);

		name_len++;	/* trailing null */

		name_len *= 2;
@@ -1197,7 +1197,7 @@ OldOpenRetry: 
	if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {

		count = 1;      /* account for one byte pad to word boundary */

		name_len =

		   cifsConvertToUCS((__le16 *) (pSMB->fileName + 1),

		   cifsConvertToUTF16((__le16 *) (pSMB->fileName + 1),

				      fileName, PATH_MAX, nls_codepage, remap);

		name_len++;     /* trailing null */

		name_len *= 2;
@@ -1304,7 +1304,7 @@ openRetry: 
	if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {

		count = 1;	/* account for one byte pad to word boundary */

		name_len =

		    cifsConvertToUCS((__le16 *) (pSMB->fileName + 1),

		    cifsConvertToUTF16((__le16 *) (pSMB->fileName + 1),

				       fileName, PATH_MAX, nls_codepage, remap);

		name_len++;	/* trailing null */

		name_len *= 2;
@@ -2649,7 +2649,7 @@ renameRetry: 


	if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {

		name_len =

		    cifsConvertToUCS((__le16 *) pSMB->OldFileName, fromName,

		    cifsConvertToUTF16((__le16 *) pSMB->OldFileName, fromName,

				       PATH_MAX, nls_codepage, remap);

		name_len++;	/* trailing null */

		name_len *= 2;
@@ -2657,7 +2657,7 @@ renameRetry: 
	/* protocol requires ASCII signature byte on Unicode string */

		pSMB->OldFileName[name_len + 1] = 0x00;

		name_len2 =

		    cifsConvertToUCS((__le16 *)&pSMB->OldFileName[name_len + 2],

		    cifsConvertToUTF16((__le16 *)&pSMB->OldFileName[name_len+2],

				       toName, PATH_MAX, nls_codepage, remap);

		name_len2 += 1 /* trailing null */  + 1 /* Signature word */ ;

		name_len2 *= 2;	/* convert to bytes */
@@ -2738,10 +2738,12 @@ int CIFSSMBRenameOpenFile(const int xid, struct cifs_tcon *pTcon, 
	/* unicode only call */

	if (target_name == NULL) {

		sprintf(dummy_string, "cifs%x", pSMB->hdr.Mid);

		len_of_str = cifsConvertToUCS((__le16 *)rename_info->target_name,

		len_of_str =

			cifsConvertToUTF16((__le16 *)rename_info->target_name,

					dummy_string, 24, nls_codepage, remap);

	} else {

		len_of_str = cifsConvertToUCS((__le16 *)rename_info->target_name,

		len_of_str =

			cifsConvertToUTF16((__le16 *)rename_info->target_name,

					target_name, PATH_MAX, nls_codepage,

					remap);

	}
@@ -2795,7 +2797,7 @@ copyRetry: 
	pSMB->Flags = cpu_to_le16(flags & COPY_TREE);



	if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {

		name_len = cifsConvertToUCS((__le16 *) pSMB->OldFileName,

		name_len = cifsConvertToUTF16((__le16 *) pSMB->OldFileName,

					      fromName, PATH_MAX, nls_codepage,

					      remap);

		name_len++;     /* trailing null */
@@ -2804,7 +2806,7 @@ copyRetry: 
		/* protocol requires ASCII signature byte on Unicode string */

		pSMB->OldFileName[name_len + 1] = 0x00;

		name_len2 =

		    cifsConvertToUCS((__le16 *)&pSMB->OldFileName[name_len + 2],

		    cifsConvertToUTF16((__le16 *)&pSMB->OldFileName[name_len+2],

				       toName, PATH_MAX, nls_codepage, remap);

		name_len2 += 1 /* trailing null */  + 1 /* Signature word */ ;

		name_len2 *= 2; /* convert to bytes */
@@ -2861,9 +2863,9 @@ createSymLinkRetry: 


	if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {

		name_len =

		    cifs_strtoUCS((__le16 *) pSMB->FileName, fromName, PATH_MAX

		    cifs_strtoUTF16((__le16 *) pSMB->FileName, fromName,

				    /* find define for this maxpathcomponent */

				  , nls_codepage);

				    PATH_MAX, nls_codepage);

		name_len++;	/* trailing null */

		name_len *= 2;
@@ -2885,7 +2887,7 @@ createSymLinkRetry: 
	data_offset = (char *) (&pSMB->hdr.Protocol) + offset;

	if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {

		name_len_target =

		    cifs_strtoUCS((__le16 *) data_offset, toName, PATH_MAX

		    cifs_strtoUTF16((__le16 *) data_offset, toName, PATH_MAX

				    /* find define for this maxpathcomponent */

				    , nls_codepage);

		name_len_target++;	/* trailing null */
@@ -2949,7 +2951,7 @@ createHardLinkRetry: 
		return rc;



	if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {

		name_len = cifsConvertToUCS((__le16 *) pSMB->FileName, toName,

		name_len = cifsConvertToUTF16((__le16 *) pSMB->FileName, toName,

					      PATH_MAX, nls_codepage, remap);

		name_len++;	/* trailing null */

		name_len *= 2;
@@ -2972,8 +2974,8 @@ createHardLinkRetry: 
	data_offset = (char *) (&pSMB->hdr.Protocol) + offset;

	if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {

		name_len_target =

		    cifsConvertToUCS((__le16 *) data_offset, fromName, PATH_MAX,

				     nls_codepage, remap);

		    cifsConvertToUTF16((__le16 *) data_offset, fromName,

				       PATH_MAX, nls_codepage, remap);

		name_len_target++;	/* trailing null */

		name_len_target *= 2;

	} else {	/* BB improve the check for buffer overruns BB */
@@ -3042,7 +3044,7 @@ winCreateHardLinkRetry: 


	if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {

		name_len =

		    cifsConvertToUCS((__le16 *) pSMB->OldFileName, fromName,

		    cifsConvertToUTF16((__le16 *) pSMB->OldFileName, fromName,

				       PATH_MAX, nls_codepage, remap);

		name_len++;	/* trailing null */

		name_len *= 2;
@@ -3051,7 +3053,7 @@ winCreateHardLinkRetry: 
		pSMB->OldFileName[name_len] = 0x04;

		pSMB->OldFileName[name_len + 1] = 0x00; /* pad */

		name_len2 =

		    cifsConvertToUCS((__le16 *)&pSMB->OldFileName[name_len + 2],

		    cifsConvertToUTF16((__le16 *)&pSMB->OldFileName[name_len+2],

				       toName, PATH_MAX, nls_codepage, remap);

		name_len2 += 1 /* trailing null */  + 1 /* Signature word */ ;

		name_len2 *= 2;	/* convert to bytes */
@@ -3108,7 +3110,7 @@ querySymLinkRetry: 


	if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {

		name_len =

		    cifs_strtoUCS((__le16 *) pSMB->FileName, searchName,

			cifs_strtoUTF16((__le16 *) pSMB->FileName, searchName,

					PATH_MAX, nls_codepage);

		name_len++;	/* trailing null */

		name_len *= 2;
@@ -3166,8 +3168,8 @@ querySymLinkRetry: 
				is_unicode = false;



			/* BB FIXME investigate remapping reserved chars here */

			*symlinkinfo = cifs_strndup_from_ucs(data_start, count,

						    is_unicode, nls_codepage);

			*symlinkinfo = cifs_strndup_from_utf16(data_start,

					count, is_unicode, nls_codepage);

			if (!*symlinkinfo)

				rc = -ENOMEM;

		}
@@ -3450,8 +3452,9 @@ queryAclRetry: 


	if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {

		name_len =

			cifsConvertToUCS((__le16 *) pSMB->FileName, searchName,

					 PATH_MAX, nls_codepage, remap);

			cifsConvertToUTF16((__le16 *) pSMB->FileName,

					   searchName, PATH_MAX, nls_codepage,

					   remap);

		name_len++;     /* trailing null */

		name_len *= 2;

		pSMB->FileName[name_len] = 0;
@@ -3537,7 +3540,7 @@ setAclRetry: 
		return rc;

	if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {

		name_len =

			cifsConvertToUCS((__le16 *) pSMB->FileName, fileName,

			cifsConvertToUTF16((__le16 *) pSMB->FileName, fileName,

					   PATH_MAX, nls_codepage, remap);

		name_len++;     /* trailing null */

		name_len *= 2;
@@ -3948,8 +3951,9 @@ QInfRetry: 


	if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {

		name_len =

			cifsConvertToUCS((__le16 *) pSMB->FileName, searchName,

					PATH_MAX, nls_codepage, remap);

			cifsConvertToUTF16((__le16 *) pSMB->FileName,

					   searchName, PATH_MAX, nls_codepage,

					   remap);

		name_len++;     /* trailing null */

		name_len *= 2;

	} else {
@@ -4086,7 +4090,7 @@ QPathInfoRetry: 


	if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {

		name_len =

		    cifsConvertToUCS((__le16 *) pSMB->FileName, searchName,

		    cifsConvertToUTF16((__le16 *) pSMB->FileName, searchName,

				       PATH_MAX, nls_codepage, remap);

		name_len++;	/* trailing null */

		name_len *= 2;
@@ -4255,7 +4259,7 @@ UnixQPathInfoRetry: 


	if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {

		name_len =

		    cifsConvertToUCS((__le16 *) pSMB->FileName, searchName,

		    cifsConvertToUTF16((__le16 *) pSMB->FileName, searchName,

				       PATH_MAX, nls_codepage, remap);

		name_len++;	/* trailing null */

		name_len *= 2;
@@ -4344,7 +4348,7 @@ findFirstRetry: 


	if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {

		name_len =

		    cifsConvertToUCS((__le16 *) pSMB->FileName, searchName,

		    cifsConvertToUTF16((__le16 *) pSMB->FileName, searchName,

				       PATH_MAX, nls_codepage, remap);

		/* We can not add the asterik earlier in case

		it got remapped to 0xF03A as if it were part of the
@@ -4656,8 +4660,9 @@ GetInodeNumberRetry: 


	if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {

		name_len =

			cifsConvertToUCS((__le16 *) pSMB->FileName, searchName,

					 PATH_MAX, nls_codepage, remap);

			cifsConvertToUTF16((__le16 *) pSMB->FileName,

					   searchName, PATH_MAX, nls_codepage,

					   remap);

		name_len++;     /* trailing null */

		name_len *= 2;

	} else {	/* BB improve the check for buffer overruns BB */
@@ -4794,9 +4799,9 @@ parse_DFS_referrals(TRANSACTION2_GET_DFS_REFER_RSP *pSMBr, 
				rc = -ENOMEM;

				goto parse_DFS_referrals_exit;

			}

			cifsConvertToUCS((__le16 *) tmp, searchName,

			cifsConvertToUTF16((__le16 *) tmp, searchName,

					   PATH_MAX, nls_codepage, remap);

			node->path_consumed = cifs_ucs2_bytes(tmp,

			node->path_consumed = cifs_utf16_bytes(tmp,

					le16_to_cpu(pSMBr->PathConsumed),

					nls_codepage);

			kfree(tmp);
@@ -4809,7 +4814,7 @@ parse_DFS_referrals(TRANSACTION2_GET_DFS_REFER_RSP *pSMBr, 
		/* copy DfsPath */

		temp = (char *)ref + le16_to_cpu(ref->DfsPathOffset);

		max_len = data_end - temp;

		node->path_name = cifs_strndup_from_ucs(temp, max_len,

		node->path_name = cifs_strndup_from_utf16(temp, max_len,

						is_unicode, nls_codepage);

		if (!node->path_name) {

			rc = -ENOMEM;
@@ -4819,7 +4824,7 @@ parse_DFS_referrals(TRANSACTION2_GET_DFS_REFER_RSP *pSMBr, 
		/* copy link target UNC */

		temp = (char *)ref + le16_to_cpu(ref->NetworkAddressOffset);

		max_len = data_end - temp;

		node->node_name = cifs_strndup_from_ucs(temp, max_len,

		node->node_name = cifs_strndup_from_utf16(temp, max_len,

						is_unicode, nls_codepage);

		if (!node->node_name)

			rc = -ENOMEM;
@@ -4873,8 +4878,9 @@ getDFSRetry: 
	if (ses->capabilities & CAP_UNICODE) {

		pSMB->hdr.Flags2 |= SMBFLG2_UNICODE;

		name_len =

		    cifsConvertToUCS((__le16 *) pSMB->RequestFileName,

				     searchName, PATH_MAX, nls_codepage, remap);

		    cifsConvertToUTF16((__le16 *) pSMB->RequestFileName,

				       searchName, PATH_MAX, nls_codepage,

				       remap);

		name_len++;	/* trailing null */

		name_len *= 2;

	} else {	/* BB improve the check for buffer overruns BB */
@@ -5506,7 +5512,7 @@ SetEOFRetry: 


	if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {

		name_len =

		    cifsConvertToUCS((__le16 *) pSMB->FileName, fileName,

		    cifsConvertToUTF16((__le16 *) pSMB->FileName, fileName,

				       PATH_MAX, nls_codepage, remap);

		name_len++;	/* trailing null */

		name_len *= 2;
@@ -5796,7 +5802,7 @@ SetTimesRetry: 


	if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {

		name_len =

		    cifsConvertToUCS((__le16 *) pSMB->FileName, fileName,

		    cifsConvertToUTF16((__le16 *) pSMB->FileName, fileName,

				       PATH_MAX, nls_codepage, remap);

		name_len++;	/* trailing null */

		name_len *= 2;
@@ -5877,7 +5883,7 @@ SetAttrLgcyRetry: 


	if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {

		name_len =

			ConvertToUCS((__le16 *) pSMB->fileName, fileName,

			ConvertToUTF16((__le16 *) pSMB->fileName, fileName,

				       PATH_MAX, nls_codepage);

		name_len++;     /* trailing null */

		name_len *= 2;
@@ -6030,7 +6036,7 @@ setPermsRetry: 


	if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {

		name_len =

		    cifsConvertToUCS((__le16 *) pSMB->FileName, fileName,

		    cifsConvertToUTF16((__le16 *) pSMB->FileName, fileName,

				       PATH_MAX, nls_codepage, remap);

		name_len++;	/* trailing null */

		name_len *= 2;
@@ -6123,7 +6129,7 @@ QAllEAsRetry: 


	if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {

		list_len =

		    cifsConvertToUCS((__le16 *) pSMB->FileName, searchName,

		    cifsConvertToUTF16((__le16 *) pSMB->FileName, searchName,

				       PATH_MAX, nls_codepage, remap);

		list_len++;	/* trailing null */

		list_len *= 2;
@@ -6301,7 +6307,7 @@ SetEARetry: 


	if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {

		name_len =

		    cifsConvertToUCS((__le16 *) pSMB->FileName, fileName,

		    cifsConvertToUTF16((__le16 *) pSMB->FileName, fileName,

				       PATH_MAX, nls_codepage, remap);

		name_len++;	/* trailing null */

		name_len *= 2;

fs/cifs/connect.c

+2 −2
Original line number Diff line number Diff line
@@ -3644,7 +3644,7 @@ CIFSTCon(unsigned int xid, struct cifs_ses *ses, 
	if (ses->capabilities & CAP_UNICODE) {

		smb_buffer->Flags2 |= SMBFLG2_UNICODE;

		length =

		    cifs_strtoUCS((__le16 *) bcc_ptr, tree,

		    cifs_strtoUTF16((__le16 *) bcc_ptr, tree,

			6 /* max utf8 char length in bytes */ *

			(/* server len*/ + 256 /* share len */), nls_codepage);

		bcc_ptr += 2 * length;	/* convert num 16 bit words to bytes */
@@ -3699,7 +3699,7 @@ CIFSTCon(unsigned int xid, struct cifs_ses *ses, 


		/* mostly informational -- no need to fail on error here */

		kfree(tcon->nativeFileSystem);

		tcon->nativeFileSystem = cifs_strndup_from_ucs(bcc_ptr,

		tcon->nativeFileSystem = cifs_strndup_from_utf16(bcc_ptr,

						      bytes_left, is_unicode,

						      nls_codepage);

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