virtio-net: correctly xmit linearized page on XDP_TX

After we linearize page, we should xmit this page instead of the page of first buffer which may lead unexpected result. With this patch, we can see correct packet during XDP_TX. Cc: John Fastabend <[email protected]> Signed-off-by: Jason Wang <[email protected]> Acked-by: John Fastabend <[email protected]> Signed-off-by: David S. Miller <[email protected]>
josf · Dec 23, 2016 · 275be06 · 275be06
1 parent 73b62bd
commit 275be06
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
@@ -572,7 +572,7 @@ static struct sk_buff *receive_mergeable(struct net_device *dev,
 		if (unlikely(hdr->hdr.gso_type || hdr->hdr.flags))
 			goto err_xdp;
 
-		act = do_xdp_prog(vi, rq, xdp_prog, page, offset, len);
+		act = do_xdp_prog(vi, rq, xdp_prog, xdp_page, offset, len);
 		switch (act) {
 		case XDP_PASS:
 			if (unlikely(xdp_page != page))