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authorLongpeng <longpeng2@huawei.com>2022-12-24 19:48:48 +0800
committerMichael S. Tsirkin <mst@redhat.com>2023-01-08 01:54:22 -0500
commitbf7a2ad8b6dfab4adb40db44022e4c424b56421e (patch)
tree8d33f4c160cf2a7bee7baacd1f07786806d9b5b7 /net
parentc672f348cb20e40c8c4fd1dfbd3e60d8202e3eac (diff)
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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>
Diffstat (limited to 'net')
-rw-r--r--net/vhost-vdpa.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/net/vhost-vdpa.c b/net/vhost-vdpa.c
index b6e1e84..1a13a34 100644
--- a/net/vhost-vdpa.c
+++ b/net/vhost-vdpa.c
@@ -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;