Merge tag 'for_upstream' of https://git.kernel.org/pub/scm/virt/kvm/mst/qemu into...

Merge tag 'for_upstream' of https://git./virt/kvm/mst/qemu into staging

virtio: regression fixes

3 small patches to make sure we don't ship regressions.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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* tag 'for_upstream' of https://git.kernel.org/pub/scm/virt/kvm/mst/qemu:
  virtio-pci: Fix the use of an uninitialized irqfd
  hw/audio/virtio-snd: fix invalid param check
  vhost: Add VIRTIO_NET_F_RSC_EXT to vhost feature bits

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>