Merge tag 'fixes-for-linus' of git://

Pull virtio fixes from Rusty Russell:
 "One reversion, a tiny leak fix, and a cc:stable locking fix, in two

* tag 'fixes-for-linus' of git://
  virtio: console: add locking around c_ovq operations
  virtio: console: rename cvq_lock to c_ivq_lock
  hw_random: free rng_buffer at module exit
  Revert "virtio_console: Initialize guest_connected=true for rproc_serial"