1 files changed, 8 insertions, 2 deletions

diff --git a/net/core/dev.c b/net/core/dev.c
index 115dee1d985d..6ca32f6b3105 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -3500,14 +3500,20 @@ static inline gro_result_t
 __napi_gro_receive(struct napi_struct *napi, struct sk_buff *skb)
 {
         struct sk_buff *p;
+        unsigned int maclen = skb->dev->hard_header_len;
 
         for (p = napi->gro_list; p; p = p->next) {
                 unsigned long diffs;
 
                 diffs = (unsigned long)p->dev ^ (unsigned long)skb->dev;
                 diffs |= p->vlan_tci ^ skb->vlan_tci;
-                diffs |= compare_ether_header(skb_mac_header(p),
-                                              skb_gro_mac_header(skb));
+                if (maclen == ETH_HLEN)
+                        diffs |= compare_ether_header(skb_mac_header(p),
+                                                      skb_gro_mac_header(skb));
+                else if (!diffs)
+                        diffs = memcmp(skb_mac_header(p),
+                                       skb_gro_mac_header(skb),
+                                       maclen);
                 NAPI_GRO_CB(p)->same_flow = !diffs;
                 NAPI_GRO_CB(p)->flush = 0;
         }