Xie Yongji c8d182bd38 vdpa: Add documentation for vdpa_alloc_device() macro ...

The return value of vdpa_alloc_device() macro is not very
clear, so that most of callers did the wrong check. Let's
add some comments to better document it.

Signed-off-by: Xie Yongji <xieyongji@bytedance.com>
Link: https://lore.kernel.org/r/20210715080026.242-4-xieyongji@bytedance.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>

2021-08-11 06:44:23 -04:00

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