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vdpa: harden the error path if get_iova_range failed
We should stop if the GET_IOVA_RANGE ioctl failed. Signed-off-by: Longpeng <longpeng2@huawei.com> Message-Id: <20221224114848.3062-3-longpeng2@huawei.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Acked-by: Jason Wang <jasowang@redhat.com>
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@ -805,7 +805,13 @@ int net_init_vhost_vdpa(const Netdev *netdev, const char *name,
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return queue_pairs;
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}
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vhost_vdpa_get_iova_range(vdpa_device_fd, &iova_range);
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r = vhost_vdpa_get_iova_range(vdpa_device_fd, &iova_range);
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if (unlikely(r < 0)) {
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error_setg(errp, "vhost-vdpa: get iova range failed: %s",
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strerror(-r));
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goto err;
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}
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if (opts->x_svq) {
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if (!vhost_vdpa_net_valid_svq_features(features, errp)) {
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goto err_svq;
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