Date:   Mon Nov 8 08:41:27 2021 -0800

    Close stream on panic (#13605)

    Always close streamHTTPResponse on panic on main thread to avoid
    write/flush after response handler has returned.
```

```
λ git cherry-pick 4f3317effea38c203c358af9cb5ce3c0e4173976
```

      appropriateness of using or redistributing the Work and assume any
      risks associated with Your exercise of permissions under this License.

   8. Limitation of Liability. In no event and under no legal theory,
      whether in tort (including negligence), contract, or otherwise,
      unless required by applicable law (such as deliberate and grossly
      negligent acts) or agreed to in writing, shall any Contributor be

func xlMetaV2TrimData(buf []byte) []byte {
	metaBuf, min, maj, err := checkXL2V1(buf)
	if err != nil {
		return buf
	}
	if maj == 1 && min < 1 {
		// First version to carry data.
		return buf
	}
	// Skip header
	_, metaBuf, err = msgp.ReadBytesZC(metaBuf)
	if err != nil {
		storageLogIf(GlobalContext, err)
		return buf
	}
	// Skip CRC
	if maj > 1 || min >= 2 {

		}
	}
	return apiErr
}

func (e errorCodeMap) ToAPIErr(errCode APIErrorCode) APIError {
	return e.ToAPIErrWithErr(errCode, nil)
}

// error code to APIError structure, these fields carry respective
// descriptions for all the error responses.
var errorCodes = errorCodeMap{
	ErrInvalidCopyDest: {
		Code:           "InvalidRequest",

		chEntries, err := listServerConfigHistory(ctx, objectAPI, false, -1)
		if err != nil {
			writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
			return
		}
		for _, chEntry := range chEntries {
			if err = delServerConfigHistory(ctx, objectAPI, chEntry.RestoreID); err != nil {
				writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
				return
			}
		}

func (e stsErrorCodeMap) ToSTSErr(errCode STSErrorCode) STSError {
	apiErr, ok := e[errCode]
	if !ok {
		return e[ErrSTSInternalError]
	}
	return apiErr
}

// error code to STSError structure, these fields carry respective
// descriptions for all the error responses.
var stsErrCodes = stsErrorCodeMap{
	ErrSTSAccessDenied: {
		Code:           "AccessDenied",

		case osIsPermission(err):
			return VolInfo{}, errDiskAccessDenied
		case isSysErrIO(err):
			return VolInfo{}, errFaultyDisk
		default:
			return VolInfo{}, err
		}
	}
	// As os.Lstat() doesn't carry other than ModTime(), use ModTime()
	// as CreatedTime.
	createdTime := st.ModTime()
	return VolInfo{
		Name:    volume,
		Created: createdTime,
	}, nil
}

// DeleteVol - delete a volume.

================================================================

github.com/pkg/errors
https://github.com/pkg/errors
----------------------------------------------------------------
Copyright (c) 2015, Dave Cheney <dave@cheney.net>
All rights reserved.

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:

		w.creator = nil
		if err := w.mw.WriteByte(metacacheStreamVersion); err != nil {
			return err
		}

		w.closer = func() (err error) {
			defer func() {
				cerr := s2w.Close()
				if err == nil && cerr != nil {
					err = cerr
				}
			}()
			if w.streamErr != nil {
				return w.streamErr
			}
			if err = w.mw.WriteBool(false); err != nil {
				return err
			}
			return w.mw.Flush()
		}

	var err error
	switch operation {
	default:
		err = errSRInvalidRequest(errInvalidArgument)
	case madmin.MakeWithVersioningBktOp:
		createdAt, cerr := time.Parse(time.RFC3339Nano, strings.TrimSpace(r.Form.Get("createdAt")))
		if cerr != nil {
			createdAt = timeSentinel
		}

		opts := MakeBucketOptions{
			LockEnabled:       r.Form.Get("lockEnabled") == "true",