1 files changed, 6 insertions, 1 deletions

diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index ac4f50213bc3..13d6d4eb8b3a 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -1015,7 +1015,8 @@ static inline int netif_needs_gso(struct net_device *dev, struct sk_buff *skb)
 }
 
 /* On bonding slaves other than the currently active slave, suppress
- * duplicates except for 802.3ad ETH_P_SLOW and alb non-mcast/bcast.
+ * duplicates except for 802.3ad ETH_P_SLOW, alb non-mcast/bcast, and
+ * ARP on active-backup slaves with arp_validate enabled.
  */
 static inline int skb_bond_should_drop(struct sk_buff *skb)
 {
@@ -1024,6 +1025,10 @@ static inline int skb_bond_should_drop(struct sk_buff *skb)
 
         if (master &&
             (dev->priv_flags & IFF_SLAVE_INACTIVE)) {
+                if ((dev->priv_flags & IFF_SLAVE_NEEDARP) &&
+                    skb->protocol == __constant_htons(ETH_P_ARP))
+                        return 0;
+
                 if (master->priv_flags & IFF_MASTER_ALB) {
                         if (skb->pkt_type != PACKET_BROADCAST &&
                             skb->pkt_type != PACKET_MULTICAST)