Merge tag 'selinux-pr-20200621' of git://

Pull SELinux fixes from Paul Moore:
 "Three small patches to fix problems in the SELinux code, all found via

  Two patches fix potential double-free conditions and one fixes an
  undefined return value"

* tag 'selinux-pr-20200621' of git://
  selinux: fix undefined return of cond_evaluate_expr
  selinux: fix a double free in cond_read_node()/cond_read_list()
  selinux: fix double free