casaroli commented on code in PR #20548:
URL: https://github.com/apache/nuttx/pull/20548#discussion_r4248099020
##########
fs/v9fs/virtio_9p.c:
##########
@@ -165,26 +230,63 @@ static int virtio_9p_request(FAR struct v9fs_transport_s
*transport,
FAR struct virtio_9p_priv_s *priv =
container_of(transport, struct virtio_9p_priv_s, transport);
FAR struct virtqueue *vq = priv->vdev->vrings_info[0].vq;
- struct virtqueue_buf vb[payload->wcount + payload->rcount];
+#ifdef CONFIG_ARCH_ADDRENV
+ size_t wcount = 0;
+ size_t rcount = 0;
+ size_t n;
+#else
+ size_t wcount = payload->wcount;
+ size_t rcount = payload->rcount;
+#endif
irqstate_t flags;
size_t i;
int ret;
+#ifdef CONFIG_ARCH_ADDRENV
+ for (i = 0; i < payload->wcount; i++)
+ {
+ wcount += virtio_9p_split(payload->wiov[i].iov_base,
+ payload->wiov[i].iov_len, NULL);
+ }
+
+ for (i = 0; i < payload->rcount; i++)
+ {
+ rcount += virtio_9p_split(payload->riov[i].iov_base,
+ payload->riov[i].iov_len, NULL);
+ }
+#endif
+
+ struct virtqueue_buf vb[wcount + rcount];
+
+#ifdef CONFIG_ARCH_ADDRENV
+ n = 0;
Review Comment:
Done.
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