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vdpa: harden the error path if get_iova_range failed

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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>
This commit is contained in:
Longpeng 2022-12-24 19:48:48 +08:00 committed by Michael S. Tsirkin
parent c672f348cb
commit bf7a2ad8b6
1 changed files with 7 additions and 1 deletions
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8
net/vhost-vdpa.c
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@ -805,7 +805,13 @@ int net_init_vhost_vdpa(const Netdev *netdev, const char *name,
return queue_pairs;
}
vhost_vdpa_get_iova_range(vdpa_device_fd, &iova_range);
r = vhost_vdpa_get_iova_range(vdpa_device_fd, &iova_range);
if (unlikely(r < 0)) {
error_setg(errp, "vhost-vdpa: get iova range failed: %s",
strerror(-r));
goto err;
}
if (opts->x_svq) {
if (!vhost_vdpa_net_valid_svq_features(features, errp)) {
goto err_svq;