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Commit e82df670 authored by Tiwei Bie's avatar Tiwei Bie Committed by Michael S. Tsirkin
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virtio_ring: fix num_free handling in error case



The vq->vq.num_free hasn't been changed when error happens,
so it shouldn't be changed when handling the error.

Fixes: 780bc790 ("virtio_ring: Support DMA APIs")
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Michael S. Tsirkin <mst@redhat.com>
Cc: stable@vger.kernel.org
Signed-off-by: default avatarTiwei Bie <tiwei.bie@intel.com>
Signed-off-by: default avatarMichael S. Tsirkin <mst@redhat.com>
parent 4a3928c6
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