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(parent: 0a97133) | patch
virtio_ring: fix num_free handling in error case
authorTiwei Bie <tiwei.bie@intel.com>
Fri, 23 Feb 2018 11:41:30 +0000 (19:41 +0800)
committerMichael S. Tsirkin <mst@redhat.com>
Thu, 1 Mar 2018 16:53:38 +0000 (18:53 +0200)
commitf181f7f13a557f23e1fee06c599f86c2581c1bcf
tree7bc79c1cdbaeee6e5ca9eba7a900bea363bda2f4tree | snapshot
parent0a971331c84ae05259efa3c31ed9df6504e62eb8commit | diff
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: e007c04b19bc ("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: Tiwei Bie <tiwei.bie@intel.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
drivers/virtio/virtio_ring.c diff | blob | history
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