diff --git a/include/linux/virtio_net.h b/include/linux/virtio_net.h
index 3e2ee7739c11a1f448962eefac876b55282e0bf0..a7c197299fc72a5645e16b2632e3917d478995dc 100644
--- a/include/linux/virtio_net.h
+++ b/include/linux/virtio_net.h
@@ -10,6 +10,9 @@
 static inline int virtio_net_hdr_set_proto(struct sk_buff *skb,
 					   const struct virtio_net_hdr *hdr)
 {
+	if (skb->protocol)
+		return 0;
+
 	switch (hdr->gso_type & ~VIRTIO_NET_HDR_GSO_ECN) {
 	case VIRTIO_NET_HDR_GSO_TCPV4:
 	case VIRTIO_NET_HDR_GSO_UDP: