52 	int rc;  in symlink_hash()  local
56 	rc = cifs_alloc_hash("md5", &md5, &sdescmd5);  in symlink_hash()
57 	if (rc)  in symlink_hash()
60 	rc = crypto_shash_init(&sdescmd5->shash);  in symlink_hash()
61 	if (rc) {  in symlink_hash()
65 	rc = crypto_shash_update(&sdescmd5->shash, link_str, link_len);  in symlink_hash()
66 	if (rc) {  in symlink_hash()
70 	rc = crypto_shash_final(&sdescmd5->shash, md5_hash);  in symlink_hash()
71 	if (rc)  in symlink_hash()
76 	return rc;  in symlink_hash()
83 	int rc;  in parse_mf_symlink()  local
96 	rc = sscanf(buf, CIFS_MF_SYMLINK_LEN_FORMAT, &link_len);  in parse_mf_symlink()
97 	if (rc != 1)  in parse_mf_symlink()
100 	rc = symlink_hash(link_len, link_str, md5_hash);  in parse_mf_symlink()
101 	if (rc) {  in parse_mf_symlink()
102 		cifs_dbg(FYI, "%s: MD5 hash failure: %d\n", __func__, rc);  in parse_mf_symlink()
103 		return rc;  in parse_mf_symlink()
126 	int rc;  in format_mf_symlink()  local
139 	rc = symlink_hash(link_len, link_str, md5_hash);  in format_mf_symlink()
140 	if (rc) {  in format_mf_symlink()
141 		cifs_dbg(FYI, "%s: MD5 hash failure: %d\n", __func__, rc);  in format_mf_symlink()
142 		return rc;  in format_mf_symlink()
186 	int rc;  in create_mf_symlink()  local
194 	rc = format_mf_symlink(buf, CIFS_MF_SYMLINK_FILE_SIZE, toName);  in create_mf_symlink()
195 	if (rc)  in create_mf_symlink()
199 		rc = tcon->ses->server->ops->create_mf_symlink(xid, tcon,  in create_mf_symlink()
202 		rc = -EOPNOTSUPP;  in create_mf_symlink()
204 	if (rc)  in create_mf_symlink()
208 		rc = -EIO;  in create_mf_symlink()
211 	return rc;  in create_mf_symlink()
219 	int rc;  in query_mf_symlink()  local
229 		rc = tcon->ses->server->ops->query_mf_symlink(xid, tcon,  in query_mf_symlink()
232 		rc = -ENOSYS;  in query_mf_symlink()
234 	if (rc)  in query_mf_symlink()
238 		rc = -EINVAL;  in query_mf_symlink()
242 	rc = parse_mf_symlink(buf, bytes_read, &link_len, symlinkinfo);  in query_mf_symlink()
245 	return rc;  in query_mf_symlink()
253 	int rc;  in check_mf_symlink()  local
267 		rc = tcon->ses->server->ops->query_mf_symlink(xid, tcon,  in check_mf_symlink()
270 		rc = -ENOSYS;  in check_mf_symlink()
272 	if (rc)  in check_mf_symlink()
278 	rc = parse_mf_symlink(buf, bytes_read, &link_len, NULL);  in check_mf_symlink()
279 	if (rc == -EINVAL) {  in check_mf_symlink()
281 		rc = 0;  in check_mf_symlink()
285 	if (rc != 0)  in check_mf_symlink()
295 	return rc;  in check_mf_symlink()
307 	int rc;  in cifs_query_mf_symlink()  local
324 	rc = CIFS_open(xid, &oparms, &oplock, &file_info);  in cifs_query_mf_symlink()
325 	if (rc)  in cifs_query_mf_symlink()
326 		return rc;  in cifs_query_mf_symlink()
329 		rc = -ENOENT;  in cifs_query_mf_symlink()
340 	rc = CIFSSMBRead(xid, &io_parms, pbytes_read, &pbuf, &buf_type);  in cifs_query_mf_symlink()
343 	return rc;  in cifs_query_mf_symlink()
351 	int rc;  in cifs_create_mf_symlink()  local
366 	rc = CIFS_open(xid, &oparms, &oplock, NULL);  in cifs_create_mf_symlink()
367 	if (rc)  in cifs_create_mf_symlink()
368 		return rc;  in cifs_create_mf_symlink()
376 	rc = CIFSSMBWrite(xid, &io_parms, pbytes_written, pbuf);  in cifs_create_mf_symlink()
378 	return rc;  in cifs_create_mf_symlink()
389 	int rc;  in smb3_query_mf_symlink()  local
418 	rc = SMB2_open(xid, &oparms, utf16_path, &oplock, pfile_info, NULL,  in smb3_query_mf_symlink()
420 	if (rc)  in smb3_query_mf_symlink()
425 		rc = -ENOENT; /* Is there a better rc to return? */  in smb3_query_mf_symlink()
436 	rc = SMB2_read(xid, &io_parms, pbytes_read, &pbuf, &buf_type);  in smb3_query_mf_symlink()
442 	return rc;  in smb3_query_mf_symlink()
450 	int rc;  in smb3_create_mf_symlink()  local
472 	rc = SMB2_open(xid, &oparms, utf16_path, &oplock, NULL, NULL,  in smb3_create_mf_symlink()
474 	if (rc) {  in smb3_create_mf_symlink()
476 		return rc;  in smb3_create_mf_symlink()
491 	rc = SMB2_write(xid, &io_parms, pbytes_written, iov, 1);  in smb3_create_mf_symlink()
494 	if ((rc == 0) && (*pbytes_written != CIFS_MF_SYMLINK_FILE_SIZE))  in smb3_create_mf_symlink()
495 		rc = -EIO;  in smb3_create_mf_symlink()
500 	return rc;  in smb3_create_mf_symlink()
511 	int rc = -EACCES;  in cifs_hardlink()  local
531 		rc = -ENOMEM;  in cifs_hardlink()
536 		rc = CIFSUnixCreateHardLink(xid, tcon, from_name, to_name,  in cifs_hardlink()
542 			rc = -ENOSYS;  in cifs_hardlink()
545 		rc = server->ops->create_hardlink(xid, tcon, from_name, to_name,  in cifs_hardlink()
547 		if ((rc == -EIO) || (rc == -EINVAL))  in cifs_hardlink()
548 			rc = -EOPNOTSUPP;  in cifs_hardlink()
559 		if (rc == 0) {  in cifs_hardlink()
594 	return rc;  in cifs_hardlink()
601 	int rc = -ENOMEM;  in cifs_get_link()  local
632 	rc = -EACCES;  in cifs_get_link()
638 		rc = query_mf_symlink(xid, tcon, cifs_sb, full_path,  in cifs_get_link()
641 	if (rc != 0 && server->ops->query_symlink) {  in cifs_get_link()
648 		rc = server->ops->query_symlink(xid, tcon, cifs_sb, full_path,  in cifs_get_link()
655 	if (rc != 0) {  in cifs_get_link()
657 		return ERR_PTR(rc);  in cifs_get_link()
666 	int rc = -EOPNOTSUPP;  in cifs_symlink()  local
678 		rc = PTR_ERR(tlink);  in cifs_symlink()
685 		rc = -ENOMEM;  in cifs_symlink()
694 		rc = create_mf_symlink(xid, pTcon, cifs_sb, full_path, symname);  in cifs_symlink()
696 		rc = CIFSUnixCreateSymLink(xid, pTcon, full_path, symname,  in cifs_symlink()
700 	   rc = CIFSCreateReparseSymLink(xid, pTcon, fromName, toName,  in cifs_symlink()
703 	if (rc == 0) {  in cifs_symlink()
705 			rc = smb311_posix_get_inode_info(&newinode, full_path, inode->i_sb, xid);  in cifs_symlink()
707 			rc = cifs_get_inode_info_unix(&newinode, full_path,  in cifs_symlink()
710 			rc = cifs_get_inode_info(&newinode, full_path, NULL,  in cifs_symlink()
713 		if (rc != 0) {  in cifs_symlink()
714 			cifs_dbg(FYI, "Create symlink ok, getinodeinfo fail rc = %d\n",  in cifs_symlink()
715 				 rc);  in cifs_symlink()
724 	return rc;  in cifs_symlink()