CIFS: Rename *UCS* functions to *UTF16*

to reflect the unicode encoding used by CIFS protocol.

Signed-off-by: Pavel Shilovsky <piastry@etersoft.ru>
Acked-by: Jeff Layton <jlayton@samba.org>
Reviewed-by: Shirish Pargaonkar <shirishpargaonkar@gmail.com>

1 files changed, 84 insertions, 78 deletions

diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c
index 6600aa2d2ef3..8b7794c31591 100644
--- a/fs/cifs/cifssmb.c
+++ b/fs/cifs/cifssmb.c
@@ -821,8 +821,8 @@ PsxDelete:
 
 	if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {
 		name_len =
-		    cifsConvertToUCS((__le16 *) pSMB->FileName, fileName,
-				     PATH_MAX, nls_codepage, remap);
+		    cifsConvertToUTF16((__le16 *) pSMB->FileName, fileName,
+				       PATH_MAX, nls_codepage, remap);
 		name_len++;	/* trailing null */
 		name_len *= 2;
 	} else { /* BB add path length overrun check */
@@ -893,8 +893,8 @@ DelFileRetry:
 
 	if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {
 		name_len =
-		    cifsConvertToUCS((__le16 *) pSMB->fileName, fileName,
-				     PATH_MAX, nls_codepage, remap);
+		    cifsConvertToUTF16((__le16 *) pSMB->fileName, fileName,
+				       PATH_MAX, nls_codepage, remap);
 		name_len++;	/* trailing null */
 		name_len *= 2;
 	} else {		/* BB improve check for buffer overruns BB */
@@ -938,8 +938,8 @@ RmDirRetry:
 		return rc;
 
 	if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {
-		name_len = cifsConvertToUCS((__le16 *) pSMB->DirName, dirName,
-					 PATH_MAX, nls_codepage, remap);
+		name_len = cifsConvertToUTF16((__le16 *) pSMB->DirName, dirName,
+					      PATH_MAX, nls_codepage, remap);
 		name_len++;	/* trailing null */
 		name_len *= 2;
 	} else {		/* BB improve check for buffer overruns BB */
@@ -981,8 +981,8 @@ MkDirRetry:
 		return rc;
 
 	if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {
-		name_len = cifsConvertToUCS((__le16 *) pSMB->DirName, name,
-					    PATH_MAX, nls_codepage, remap);
+		name_len = cifsConvertToUTF16((__le16 *) pSMB->DirName, name,
+					      PATH_MAX, nls_codepage, remap);
 		name_len++;	/* trailing null */
 		name_len *= 2;
 	} else {		/* BB improve check for buffer overruns BB */
@@ -1030,8 +1030,8 @@ PsxCreat:
 
 	if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {
 		name_len =
-		    cifsConvertToUCS((__le16 *) pSMB->FileName, name,
-				     PATH_MAX, nls_codepage, remap);
+		    cifsConvertToUTF16((__le16 *) pSMB->FileName, name,
+				       PATH_MAX, nls_codepage, remap);
 		name_len++;	/* trailing null */
 		name_len *= 2;
 	} else {	/* BB improve the check for buffer overruns BB */
@@ -1197,8 +1197,8 @@ OldOpenRetry:
 	if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {
 		count = 1;      /* account for one byte pad to word boundary */
 		name_len =
-		   cifsConvertToUCS((__le16 *) (pSMB->fileName + 1),
-				    fileName, PATH_MAX, nls_codepage, remap);
+		   cifsConvertToUTF16((__le16 *) (pSMB->fileName + 1),
+				      fileName, PATH_MAX, nls_codepage, remap);
 		name_len++;     /* trailing null */
 		name_len *= 2;
 	} else {                /* BB improve check for buffer overruns BB */
@@ -1304,8 +1304,8 @@ openRetry:
 	if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {
 		count = 1;	/* account for one byte pad to word boundary */
 		name_len =
-		    cifsConvertToUCS((__le16 *) (pSMB->fileName + 1),
-				     fileName, PATH_MAX, nls_codepage, remap);
+		    cifsConvertToUTF16((__le16 *) (pSMB->fileName + 1),
+				       fileName, PATH_MAX, nls_codepage, remap);
 		name_len++;	/* trailing null */
 		name_len *= 2;
 		pSMB->NameLength = cpu_to_le16(name_len);
@@ -2649,16 +2649,16 @@ renameRetry:
 
 	if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {
 		name_len =
-		    cifsConvertToUCS((__le16 *) pSMB->OldFileName, fromName,
-				     PATH_MAX, nls_codepage, remap);
+		    cifsConvertToUTF16((__le16 *) pSMB->OldFileName, fromName,
+				       PATH_MAX, nls_codepage, remap);
 		name_len++;	/* trailing null */
 		name_len *= 2;
 		pSMB->OldFileName[name_len] = 0x04;	/* pad */
 	/* protocol requires ASCII signature byte on Unicode string */
 		pSMB->OldFileName[name_len + 1] = 0x00;
 		name_len2 =
-		    cifsConvertToUCS((__le16 *)&pSMB->OldFileName[name_len + 2],
-				     toName, PATH_MAX, nls_codepage, remap);
+		    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 */
 	} else {	/* BB improve the check for buffer overruns BB */
@@ -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);
 	}
@@ -2795,17 +2797,17 @@ copyRetry:
 	pSMB->Flags = cpu_to_le16(flags & COPY_TREE);
 
 	if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {
-		name_len = cifsConvertToUCS((__le16 *) pSMB->OldFileName,
-					    fromName, PATH_MAX, nls_codepage,
-					    remap);
+		name_len = cifsConvertToUTF16((__le16 *) pSMB->OldFileName,
+					      fromName, PATH_MAX, nls_codepage,
+					      remap);
 		name_len++;     /* trailing null */
 		name_len *= 2;
 		pSMB->OldFileName[name_len] = 0x04;     /* pad */
 		/* protocol requires ASCII signature byte on Unicode string */
 		pSMB->OldFileName[name_len + 1] = 0x00;
 		name_len2 =
-		    cifsConvertToUCS((__le16 *)&pSMB->OldFileName[name_len + 2],
-				toName, PATH_MAX, nls_codepage, remap);
+		    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 */
 	} else { 	/* BB improve the check for buffer overruns BB */
@@ -2861,9 +2863,9 @@ createSymLinkRetry:
 
 	if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {
 		name_len =
-		    cifs_strtoUCS((__le16 *) pSMB->FileName, fromName, PATH_MAX
-				  /* find define for this maxpathcomponent */
-				  , nls_codepage);
+		    cifs_strtoUTF16((__le16 *) pSMB->FileName, fromName,
+				    /* find define for this maxpathcomponent */
+				    PATH_MAX, nls_codepage);
 		name_len++;	/* trailing null */
 		name_len *= 2;
 
@@ -2885,9 +2887,9 @@ 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
-				  /* find define for this maxpathcomponent */
-				  , nls_codepage);
+		    cifs_strtoUTF16((__le16 *) data_offset, toName, PATH_MAX
+				    /* find define for this maxpathcomponent */
+				    , nls_codepage);
 		name_len_target++;	/* trailing null */
 		name_len_target *= 2;
 	} else {	/* BB improve the check for buffer overruns BB */
@@ -2949,8 +2951,8 @@ createHardLinkRetry:
 		return rc;
 
 	if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {
-		name_len = cifsConvertToUCS((__le16 *) pSMB->FileName, toName,
-					    PATH_MAX, nls_codepage, remap);
+		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 */
@@ -3042,8 +3044,8 @@ winCreateHardLinkRetry:
 
 	if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {
 		name_len =
-		    cifsConvertToUCS((__le16 *) pSMB->OldFileName, fromName,
-				     PATH_MAX, nls_codepage, remap);
+		    cifsConvertToUTF16((__le16 *) pSMB->OldFileName, fromName,
+				       PATH_MAX, nls_codepage, remap);
 		name_len++;	/* trailing null */
 		name_len *= 2;
 
@@ -3051,8 +3053,8 @@ winCreateHardLinkRetry:
 		pSMB->OldFileName[name_len] = 0x04;
 		pSMB->OldFileName[name_len + 1] = 0x00; /* pad */
 		name_len2 =
-		    cifsConvertToUCS((__le16 *)&pSMB->OldFileName[name_len + 2],
-				     toName, PATH_MAX, nls_codepage, remap);
+		    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 */
 	} else {	/* BB improve the check for buffer overruns BB */
@@ -3108,8 +3110,8 @@ querySymLinkRetry:
 
 	if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {
 		name_len =
-		    cifs_strtoUCS((__le16 *) pSMB->FileName, searchName,
-				  PATH_MAX, nls_codepage);
+			cifs_strtoUTF16((__le16 *) pSMB->FileName, searchName,
+					PATH_MAX, nls_codepage);
 		name_len++;	/* trailing null */
 		name_len *= 2;
 	} else {	/* BB improve the check for buffer overruns BB */
@@ -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;
@@ -3537,8 +3540,8 @@ setAclRetry:
 		return rc;
 	if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {
 		name_len =
-			cifsConvertToUCS((__le16 *) pSMB->FileName, fileName,
-				      PATH_MAX, nls_codepage, remap);
+			cifsConvertToUTF16((__le16 *) pSMB->FileName, fileName,
+					   PATH_MAX, nls_codepage, remap);
 		name_len++;     /* trailing null */
 		name_len *= 2;
 	} else {	/* BB improve the check for buffer overruns BB */
@@ -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 {
@@ -4086,8 +4090,8 @@ QPathInfoRetry:
 
 	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 */
@@ -4255,8 +4259,8 @@ UnixQPathInfoRetry:
 
 	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 */
@@ -4344,8 +4348,8 @@ findFirstRetry:
 
 	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);
 		/* We can not add the asterik earlier in case
 		it got remapped to 0xF03A as if it were part of the
 		directory name instead of a wildcard */
@@ -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,
-					PATH_MAX, nls_codepage, remap);
-			node->path_consumed = cifs_ucs2_bytes(tmp,
+			cifsConvertToUTF16((__le16 *) tmp, searchName,
+					   PATH_MAX, nls_codepage, remap);
+			node->path_consumed = cifs_utf16_bytes(tmp,
 					le16_to_cpu(pSMBr->PathConsumed),
 					nls_codepage);
 			kfree(tmp);
@@ -4809,8 +4814,8 @@ 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,
-						      is_unicode, nls_codepage);
+		node->path_name = cifs_strndup_from_utf16(temp, max_len,
+						is_unicode, nls_codepage);
 		if (!node->path_name) {
 			rc = -ENOMEM;
 			goto parse_DFS_referrals_exit;
@@ -4819,8 +4824,8 @@ 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,
-						      is_unicode, nls_codepage);
+		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 */
@@ -5506,8 +5512,8 @@ SetEOFRetry:
 
 	if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {
 		name_len =
-		    cifsConvertToUCS((__le16 *) pSMB->FileName, fileName,
-				     PATH_MAX, nls_codepage, remap);
+		    cifsConvertToUTF16((__le16 *) pSMB->FileName, fileName,
+				       PATH_MAX, nls_codepage, remap);
 		name_len++;	/* trailing null */
 		name_len *= 2;
 	} else {	/* BB improve the check for buffer overruns BB */
@@ -5796,8 +5802,8 @@ SetTimesRetry:
 
 	if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {
 		name_len =
-		    cifsConvertToUCS((__le16 *) pSMB->FileName, fileName,
-				     PATH_MAX, nls_codepage, remap);
+		    cifsConvertToUTF16((__le16 *) pSMB->FileName, fileName,
+				       PATH_MAX, nls_codepage, remap);
 		name_len++;	/* trailing null */
 		name_len *= 2;
 	} else {	/* BB improve the check for buffer overruns BB */
@@ -5877,8 +5883,8 @@ SetAttrLgcyRetry:
 
 	if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {
 		name_len =
-			ConvertToUCS((__le16 *) pSMB->fileName, fileName,
-				PATH_MAX, nls_codepage);
+			ConvertToUTF16((__le16 *) pSMB->fileName, fileName,
+				       PATH_MAX, nls_codepage);
 		name_len++;     /* trailing null */
 		name_len *= 2;
 	} else {	/* BB improve the check for buffer overruns BB */
@@ -6030,8 +6036,8 @@ setPermsRetry:
 
 	if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {
 		name_len =
-		    cifsConvertToUCS((__le16 *) pSMB->FileName, fileName,
-				     PATH_MAX, nls_codepage, remap);
+		    cifsConvertToUTF16((__le16 *) pSMB->FileName, fileName,
+				       PATH_MAX, nls_codepage, remap);
 		name_len++;	/* trailing null */
 		name_len *= 2;
 	} else {	/* BB improve the check for buffer overruns BB */
@@ -6123,8 +6129,8 @@ QAllEAsRetry:
 
 	if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {
 		list_len =
-		    cifsConvertToUCS((__le16 *) pSMB->FileName, searchName,
-				     PATH_MAX, nls_codepage, remap);
+		    cifsConvertToUTF16((__le16 *) pSMB->FileName, searchName,
+				       PATH_MAX, nls_codepage, remap);
 		list_len++;	/* trailing null */
 		list_len *= 2;
 	} else {	/* BB improve the check for buffer overruns BB */
@@ -6301,8 +6307,8 @@ SetEARetry:
 
 	if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {
 		name_len =
-		    cifsConvertToUCS((__le16 *) pSMB->FileName, fileName,
-				     PATH_MAX, nls_codepage, remap);
+		    cifsConvertToUTF16((__le16 *) pSMB->FileName, fileName,
+				       PATH_MAX, nls_codepage, remap);
 		name_len++;	/* trailing null */
 		name_len *= 2;
 	} else {	/* BB improve the check for buffer overruns BB */