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-rw-r--r--drivers/vhost/vhost.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c
index f11bdbe4c2c5..43fa626d4e44 100644
--- a/drivers/vhost/vhost.c
+++ b/drivers/vhost/vhost.c
@@ -436,8 +436,7 @@ static size_t vhost_get_avail_size(struct vhost_virtqueue *vq,
size_t event __maybe_unused =
vhost_has_feature(vq, VIRTIO_RING_F_EVENT_IDX) ? 2 : 0;
- return sizeof(*vq->avail) +
- sizeof(*vq->avail->ring) * num + event;
+ return size_add(struct_size(vq->avail, ring, num), event);
}
static size_t vhost_get_used_size(struct vhost_virtqueue *vq,
@@ -446,8 +445,7 @@ static size_t vhost_get_used_size(struct vhost_virtqueue *vq,
size_t event __maybe_unused =
vhost_has_feature(vq, VIRTIO_RING_F_EVENT_IDX) ? 2 : 0;
- return sizeof(*vq->used) +
- sizeof(*vq->used->ring) * num + event;
+ return size_add(struct_size(vq->used, ring, num), event);
}
static size_t vhost_get_desc_size(struct vhost_virtqueue *vq,