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[PATCH] virtio-iommu: Fix coverity issue in virtio_iommu_handle_command(

From: Eric Auger
Subject: [PATCH] virtio-iommu: Fix coverity issue in virtio_iommu_handle_command()
Date: Wed, 8 Jul 2020 18:01:47 +0200

Coverity points out (CID 1430180) that the new case is missing
break or a /* fallthrough */ comment. Break is the right thing to
do as in that case, tail is not used.

Fixes 1733eebb9e ("virtio-iommu: Implement RESV_MEM probe request")
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Reported-by: Peter Maydell <peter.maydell@linaro.org>
 hw/virtio/virtio-iommu.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/hw/virtio/virtio-iommu.c b/hw/virtio/virtio-iommu.c
index b39e836181..5d56865e56 100644
--- a/hw/virtio/virtio-iommu.c
+++ b/hw/virtio/virtio-iommu.c
@@ -534,6 +534,7 @@ static void virtio_iommu_handle_command(VirtIODevice *vdev, 
VirtQueue *vq)
             ptail = (struct virtio_iommu_req_tail *)
                         (buf + s->config.probe_size);
             ptail->status = virtio_iommu_handle_probe(s, iov, iov_cnt, buf);
+            break;
             tail.status = VIRTIO_IOMMU_S_UNSUPP;

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