0423f75351
Instead of fprint()-ing error messages in rebuild_refcount_structure() and its rebuild_refcounts_write_refblocks() helper, pass them through an Error object to qcow2_check_refcounts() (which will then print it). Suggested-by: Eric Blake <eblake@redhat.com> Signed-off-by: Hanna Reitz <hreitz@redhat.com> Message-Id: <20220405134652.19278-4-hreitz@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com>