examples/vhost: fix header copy to discontiguous desc buffer

In the loop to copy virtio-net header to the descriptor buffer,
destination pointer was incremented instead of the source
pointer.

Coverity issue: 277240
Fixes: 82c93a567d3b ("examples/vhost: move to safe GPA translation API")

Signed-off-by: Maxime Coquelin <maxime.coquelin@redhat.com>

diff --git a/examples/vhost/virtio_net.c b/examples/vhost/virtio_net.c
index 5a965a3..8ea6b36 100644 (file)
--- a/examples/vhost/virtio_net.c
+++ b/examples/vhost/virtio_net.c
@@ -103,7 +103,7 @@ enqueue_pkt(struct vhost_dev *dev, struct rte_vhost_vring *vr,
 
                        remain -= len;
                        guest_addr += len;
-                       dst += len;
+                       src += len;
                }
 
                desc_chunck_len = desc->len - dev->hdr_len;