if pinfo == nil {
				continue
			}
			if maxETag != "" && pinfo.ETag == maxETag {
				found = pinfo
				break
			}
			if pinfo.ETag == "" && maxPartMeta != "" && path.Base(maxPartMeta) == fmt.Sprintf("part.%d.meta", pinfo.Number) {
				found = pinfo
				break
			}
		}

		if found != nil && found.ETag != "" && partMetaQuorumMap[maxETag] >= readQuorum {

		// destination object using the x-amz-checksum-algorithm header.
		headerChecksumType := hash.NewChecksumHeader(r.Header)
		if headerChecksumType.IsSet() {
			dstOpts.WantServerSideChecksumType = headerChecksumType.Base()
			srcInfo.Reader.AddServerSideChecksumHasher(headerChecksumType)
			dstOpts.WantChecksum = nil
		} else {
			// Check the source object for checksum.