1 files changed, 7 insertions, 2 deletions

diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index aae4938f3dea..6324d3a8cb53 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -1109,6 +1109,7 @@ static int udp_v6_send_skb(struct sk_buff *skb, struct flowi6 *fl6,
         __wsum csum = 0;
         int offset = skb_transport_offset(skb);
         int len = skb->len - offset;
+        int datalen = len - sizeof(*uh);
 
         /*
          * Create a UDP header
@@ -1141,8 +1142,12 @@ static int udp_v6_send_skb(struct sk_buff *skb, struct flowi6 *fl6,
                         return -EIO;
                 }
 
-                skb_shinfo(skb)->gso_size = cork->gso_size;
-                skb_shinfo(skb)->gso_type = SKB_GSO_UDP_L4;
+                if (datalen > cork->gso_size) {
+                        skb_shinfo(skb)->gso_size = cork->gso_size;
+                        skb_shinfo(skb)->gso_type = SKB_GSO_UDP_L4;
+                        skb_shinfo(skb)->gso_segs = DIV_ROUND_UP(datalen,
+                                                                 cork->gso_size);
+                }
                 goto csum_partial;
         }