3 files changed, 20 insertions, 6 deletions

diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index bf243fc54959..f89e7fd59a4c 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -380,7 +380,10 @@ struct sk_buff {
         kmemcheck_bitfield_begin(flags2);
         __u16                   queue_mapping:16;
 #ifdef CONFIG_IPV6_NDISC_NODETYPE
-        __u8                    ndisc_nodetype:2;
+        __u8                    ndisc_nodetype:2,
+                                deliver_no_wcard:1;
+#else
+        __u8                    deliver_no_wcard:1;
 #endif
         kmemcheck_bitfield_end(flags2);
 
diff --git a/net/8021q/vlan_core.c b/net/8021q/vlan_core.c
index bd537fc10254..50f58f5f1c34 100644
--- a/net/8021q/vlan_core.c
+++ b/net/8021q/vlan_core.c
@@ -12,7 +12,7 @@ int __vlan_hwaccel_rx(struct sk_buff *skb, struct vlan_group *grp,
                 return NET_RX_DROP;
 
         if (skb_bond_should_drop(skb, ACCESS_ONCE(skb->dev->master)))
-                goto drop;
+                skb->deliver_no_wcard = 1;
 
         skb->skb_iif = skb->dev->ifindex;
         __vlan_hwaccel_put_tag(skb, vlan_tci);
@@ -84,7 +84,7 @@ vlan_gro_common(struct napi_struct *napi, struct vlan_group *grp,
         struct sk_buff *p;
 
         if (skb_bond_should_drop(skb, ACCESS_ONCE(skb->dev->master)))
-                goto drop;
+                skb->deliver_no_wcard = 1;
 
         skb->skb_iif = skb->dev->ifindex;
         __vlan_hwaccel_put_tag(skb, vlan_tci);
diff --git a/net/core/dev.c b/net/core/dev.c
index 14a85682af38..2b3bf53bc687 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -2810,13 +2810,24 @@ static int __netif_receive_skb(struct sk_buff *skb)
         if (!skb->skb_iif)
                 skb->skb_iif = skb->dev->ifindex;
 
+        /*
+         * bonding note: skbs received on inactive slaves should only
+         * be delivered to pkt handlers that are exact matches.  Also
+         * the deliver_no_wcard flag will be set.  If packet handlers
+         * are sensitive to duplicate packets these skbs will need to
+         * be dropped at the handler.  The vlan accel path may have
+         * already set the deliver_no_wcard flag.
+         */
         null_or_orig = NULL;
         orig_dev = skb->dev;
         master = ACCESS_ONCE(orig_dev->master);
-        if (master) {
-                if (skb_bond_should_drop(skb, master))
+        if (skb->deliver_no_wcard)
+                null_or_orig = orig_dev;
+        else if (master) {
+                if (skb_bond_should_drop(skb, master)) {
+                        skb->deliver_no_wcard = 1;
                         null_or_orig = orig_dev; /* deliver only exact match */
-                else
+                } else
                         skb->dev = master;
         }