59 	int rc;  in symlink_hash()  local
66 		rc = PTR_ERR(md5);  in symlink_hash()
68 			 __func__, rc);  in symlink_hash()
69 		return rc;  in symlink_hash()
74 		rc = -ENOMEM;  in symlink_hash()
80 	rc = crypto_shash_init(&sdescmd5->shash);  in symlink_hash()
81 	if (rc) {  in symlink_hash()
85 	rc = crypto_shash_update(&sdescmd5->shash, link_str, link_len);  in symlink_hash()
86 	if (rc) {  in symlink_hash()
90 	rc = crypto_shash_final(&sdescmd5->shash, md5_hash);  in symlink_hash()
91 	if (rc)  in symlink_hash()
98 	return rc;  in symlink_hash()
105 	int rc;  in parse_mf_symlink()  local
118 	rc = sscanf(buf, CIFS_MF_SYMLINK_LEN_FORMAT, &link_len);  in parse_mf_symlink()
119 	if (rc != 1)  in parse_mf_symlink()
122 	rc = symlink_hash(link_len, link_str, md5_hash);  in parse_mf_symlink()
123 	if (rc) {  in parse_mf_symlink()
124 		cifs_dbg(FYI, "%s: MD5 hash failure: %d\n", __func__, rc);  in parse_mf_symlink()
125 		return rc;  in parse_mf_symlink()
148 	int rc;  in format_mf_symlink()  local
161 	rc = symlink_hash(link_len, link_str, md5_hash);  in format_mf_symlink()
162 	if (rc) {  in format_mf_symlink()
163 		cifs_dbg(FYI, "%s: MD5 hash failure: %d\n", __func__, rc);  in format_mf_symlink()
164 		return rc;  in format_mf_symlink()
208 	int rc;  in create_mf_symlink()  local
216 	rc = format_mf_symlink(buf, CIFS_MF_SYMLINK_FILE_SIZE, toName);  in create_mf_symlink()
217 	if (rc)  in create_mf_symlink()
221 		rc = tcon->ses->server->ops->create_mf_symlink(xid, tcon,  in create_mf_symlink()
224 		rc = -EOPNOTSUPP;  in create_mf_symlink()
226 	if (rc)  in create_mf_symlink()
230 		rc = -EIO;  in create_mf_symlink()
233 	return rc;  in create_mf_symlink()
241 	int rc;  in query_mf_symlink()  local
251 		rc = tcon->ses->server->ops->query_mf_symlink(xid, tcon,  in query_mf_symlink()
254 		rc = -ENOSYS;  in query_mf_symlink()
256 	if (rc)  in query_mf_symlink()
260 		rc = -EINVAL;  in query_mf_symlink()
264 	rc = parse_mf_symlink(buf, bytes_read, &link_len, symlinkinfo);  in query_mf_symlink()
267 	return rc;  in query_mf_symlink()
275 	int rc;  in check_mf_symlink()  local
289 		rc = tcon->ses->server->ops->query_mf_symlink(xid, tcon,  in check_mf_symlink()
292 		rc = -ENOSYS;  in check_mf_symlink()
294 	if (rc)  in check_mf_symlink()
300 	rc = parse_mf_symlink(buf, bytes_read, &link_len, NULL);  in check_mf_symlink()
301 	if (rc == -EINVAL) {  in check_mf_symlink()
303 		rc = 0;  in check_mf_symlink()
307 	if (rc != 0)  in check_mf_symlink()
317 	return rc;  in check_mf_symlink()
329 	int rc;  in cifs_query_mf_symlink()  local
346 	rc = CIFS_open(xid, &oparms, &oplock, &file_info);  in cifs_query_mf_symlink()
347 	if (rc)  in cifs_query_mf_symlink()
348 		return rc;  in cifs_query_mf_symlink()
351 		rc = -ENOENT;  in cifs_query_mf_symlink()
362 	rc = CIFSSMBRead(xid, &io_parms, pbytes_read, &pbuf, &buf_type);  in cifs_query_mf_symlink()
365 	return rc;  in cifs_query_mf_symlink()
373 	int rc;  in cifs_create_mf_symlink()  local
392 	rc = CIFS_open(xid, &oparms, &oplock, NULL);  in cifs_create_mf_symlink()
393 	if (rc)  in cifs_create_mf_symlink()
394 		return rc;  in cifs_create_mf_symlink()
402 	rc = CIFSSMBWrite(xid, &io_parms, pbytes_written, pbuf, NULL, 0);  in cifs_create_mf_symlink()
404 	return rc;  in cifs_create_mf_symlink()
416 	int rc;  in smb3_query_mf_symlink()  local
447 	rc = SMB2_open(xid, &oparms, utf16_path, &oplock, pfile_info, NULL);  in smb3_query_mf_symlink()
448 	if (rc)  in smb3_query_mf_symlink()
453 		rc = -ENOENT; /* Is there a better rc to return? */  in smb3_query_mf_symlink()
464 	rc = SMB2_read(xid, &io_parms, pbytes_read, &pbuf, &buf_type);  in smb3_query_mf_symlink()
470 	return rc;  in smb3_query_mf_symlink()
478 	int rc;  in smb3_create_mf_symlink()  local
504 	rc = SMB2_open(xid, &oparms, utf16_path, &oplock, NULL, NULL);  in smb3_create_mf_symlink()
505 	if (rc) {  in smb3_create_mf_symlink()
507 		return rc;  in smb3_create_mf_symlink()
522 	rc = SMB2_write(xid, &io_parms, pbytes_written, iov, 1);  in smb3_create_mf_symlink()
525 	if ((rc == 0) && (*pbytes_written != CIFS_MF_SYMLINK_FILE_SIZE))  in smb3_create_mf_symlink()
526 		rc = -EIO;  in smb3_create_mf_symlink()
531 	return rc;  in smb3_create_mf_symlink()
543 	int rc = -EACCES;  in cifs_hardlink()  local
563 		rc = -ENOMEM;  in cifs_hardlink()
568 		rc = CIFSUnixCreateHardLink(xid, tcon, from_name, to_name,  in cifs_hardlink()
574 			rc = -ENOSYS;  in cifs_hardlink()
577 		rc = server->ops->create_hardlink(xid, tcon, from_name, to_name,  in cifs_hardlink()
579 		if ((rc == -EIO) || (rc == -EINVAL))  in cifs_hardlink()
580 			rc = -EOPNOTSUPP;  in cifs_hardlink()
591 		if (rc == 0) {  in cifs_hardlink()
626 	return rc;  in cifs_hardlink()
633 	int rc = -ENOMEM;  in cifs_follow_link()  local
646 		rc = PTR_ERR(tlink);  in cifs_follow_link()
659 	rc = -EACCES;  in cifs_follow_link()
665 		rc = query_mf_symlink(xid, tcon, cifs_sb, full_path,  in cifs_follow_link()
668 	if (rc != 0 && server->ops->query_symlink)  in cifs_follow_link()
669 		rc = server->ops->query_symlink(xid, tcon, full_path,  in cifs_follow_link()
674 	if (rc != 0) {  in cifs_follow_link()
676 		target_path = ERR_PTR(rc);  in cifs_follow_link()
689 	int rc = -EOPNOTSUPP;  in cifs_symlink()  local
701 		rc = PTR_ERR(tlink);  in cifs_symlink()
708 		rc = -ENOMEM;  in cifs_symlink()
717 		rc = create_mf_symlink(xid, pTcon, cifs_sb, full_path, symname);  in cifs_symlink()
719 		rc = CIFSUnixCreateSymLink(xid, pTcon, full_path, symname,  in cifs_symlink()
726 	if (rc == 0) {  in cifs_symlink()
728 			rc = cifs_get_inode_info_unix(&newinode, full_path,  in cifs_symlink()
731 			rc = cifs_get_inode_info(&newinode, full_path, NULL,  in cifs_symlink()
734 		if (rc != 0) {  in cifs_symlink()
736 				 rc);  in cifs_symlink()
745 	return rc;  in cifs_symlink()