1 files changed, 4 insertions, 2 deletions

diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index 15847e19b7dd..68f6a94f7661 100644
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -1332,8 +1332,10 @@ static struct sk_buff *inet_gso_segment(struct sk_buff *skb,
                         if (skb->next != NULL)
                                 iph->frag_off |= htons(IP_MF);
                         offset += (skb->len - skb->mac_len - iph->ihl * 4);
-                } else
-                        iph->id = htons(id++);
+                } else  {
+                        if (!(iph->frag_off & htons(IP_DF)))
+                                iph->id = htons(id++);
+                }
                 iph->tot_len = htons(skb->len - skb->mac_len);
                 iph->check = 0;
                 iph->check = ip_fast_csum(skb_network_header(skb), iph->ihl);