smb/client/link.c

40 	int rc;
43 	rc = cifs_alloc_hash("md5", &md5);
44 	if (rc)
45 		return rc;
47 	rc = crypto_shash_digest(md5, link_str, link_len, md5_hash);
48 	if (rc)
51 	return rc;
58 	int rc;
71 	rc = sscanf(buf, CIFS_MF_SYMLINK_LEN_FORMAT, &link_len);
72 	if (rc != 1)
78 	rc = symlink_hash(link_len, link_str, md5_hash);
79 	if (rc) {
80 		cifs_dbg(FYI, "%s: MD5 hash failure: %d\n", __func__, rc);
81 		return rc;
104 	int rc;
117 	rc = symlink_hash(link_len, link_str, md5_hash);
118 	if (rc) {
119 		cifs_dbg(FYI, "%s: MD5 hash failure: %d\n", __func__, rc);
120 		return rc;
164 	int rc;
172 	rc = format_mf_symlink(buf, CIFS_MF_SYMLINK_FILE_SIZE, toName);
173 	if (rc)
177 		rc = tcon->ses->server->ops->create_mf_symlink(xid, tcon,
180 		rc = -EOPNOTSUPP;
182 	if (rc)
186 		rc = -EIO;
189 	return rc;
197 	int rc;
212 		rc = tcon->ses->server->ops->query_mf_symlink(xid, tcon,
215 		rc = -ENOSYS;
217 	if (rc)
223 	rc = parse_mf_symlink(buf, bytes_read, &link_len, &symlink);
224 	if (rc == -EINVAL) {
226 		rc = 0;
230 	if (rc != 0)
241 	return rc;
254 	int rc;
272 	rc = CIFS_open(xid, &oparms, &oplock, &file_info);
273 	if (rc)
274 		return rc;
277 		rc = -ENOENT;
288 	rc = CIFSSMBRead(xid, &io_parms, pbytes_read, &pbuf, &buf_type);
291 	return rc;
299 	int rc;
315 	rc = CIFS_open(xid, &oparms, &oplock, NULL);
316 	if (rc)
317 		return rc;
325 	rc = CIFSSMBWrite(xid, &io_parms, pbytes_written, pbuf);
327 	return rc;
339 	int rc;
370 	rc = SMB2_open(xid, &oparms, utf16_path, &oplock, pfile_info, NULL,
372 	if (rc)
377 		rc = -ENOENT; /* Is there a better rc to return? */
388 	rc = SMB2_read(xid, &io_parms, pbytes_read, &pbuf, &buf_type);
394 	return rc;
402 	int rc;
427 	rc = SMB2_open(xid, &oparms, utf16_path, &oplock, NULL, NULL,
429 	if (rc) {
431 		return rc;
446 	rc = SMB2_write(xid, &io_parms, pbytes_written, iov, 1);
449 	if ((rc == 0) && (*pbytes_written != CIFS_MF_SYMLINK_FILE_SIZE))
450 		rc = -EIO;
455 	return rc;
466 	int rc = -EACCES;
490 		rc = PTR_ERR(from_name);
495 		rc = PTR_ERR(to_name);
501 		rc = CIFSUnixCreateHardLink(xid, tcon, from_name, to_name,
510 			rc = -ENOSYS;
513 		rc = server->ops->create_hardlink(xid, tcon, old_file,
515 		if ((rc == -EIO) || (rc == -EINVAL))
516 			rc = -EOPNOTSUPP;
527 		if (rc == 0) {
562 	return rc;
569 	int rc = -EOPNOTSUPP;
590 		rc = PTR_ERR(tlink);
598 		rc = PTR_ERR(full_path);
607 		rc = create_mf_symlink(xid, pTcon, cifs_sb, full_path, symname);
610 		rc = CIFSUnixCreateSymLink(xid, pTcon, full_path, symname,
615 		rc =  server->ops->create_reparse_symlink(xid, inode, direntry,
621 	if (rc == 0) {
623 			rc = smb311_posix_get_inode_info(&newinode, full_path,
626 			rc = cifs_get_inode_info_unix(&newinode, full_path,
629 			rc = cifs_get_inode_info(&newinode, full_path, NULL,
633 		if (rc != 0) {
634 			cifs_dbg(FYI, "Create symlink ok, getinodeinfo fail rc = %d\n",
635 				 rc);
644 	return rc;