1 files changed, 2 insertions, 0 deletions

diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index 67f6749a0a45..b54ec41adea9 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -1685,6 +1685,8 @@ static int packet_recvmsg(struct kiocb *iocb, struct socket *sock,
                         vnet_hdr.flags = VIRTIO_NET_HDR_F_NEEDS_CSUM;
                         vnet_hdr.csum_start = skb_checksum_start_offset(skb);
                         vnet_hdr.csum_offset = skb->csum_offset;
+                } else if (skb->ip_summed == CHECKSUM_UNNECESSARY) {
+                        vnet_hdr.flags = VIRTIO_NET_HDR_F_DATA_VALID;
                 } /* else everything is zero */
 
                 err = memcpy_toiovec(msg->msg_iov, (void *)&vnet_hdr,