1 files changed, 27 insertions, 30 deletions

diff --git a/net/8021q/vlan_core.c b/net/8021q/vlan_core.c
index c177f9e..77d3532 100644
--- a/net/8021q/vlan_core.c
+++ b/net/8021q/vlan_core.c
@@ -2,6 +2,7 @@
 #include <linux/netdevice.h>
 #include <linux/if_vlan.h>
 #include <linux/netpoll.h>
+#include <linux/export.h>
 #include "vlan.h"
 
 bool vlan_do_receive(struct sk_buff **skbp)
@@ -12,11 +13,8 @@ bool vlan_do_receive(struct sk_buff **skbp)
 	struct vlan_pcpu_stats *rx_stats;
 
 	vlan_dev = vlan_find_dev(skb->dev, vlan_id);
-	if (!vlan_dev) {
-		if (vlan_id)
-			skb->pkt_type = PACKET_OTHERHOST;
+	if (!vlan_dev)
 		return false;
-	}
 
 	skb = *skbp = skb_share_check(skb, GFP_ATOMIC);
 	if (unlikely(!skb))
@@ -63,6 +61,27 @@ bool vlan_do_receive(struct sk_buff **skbp)
 	return true;
 }
 
+/* Must be invoked with rcu_read_lock or with RTNL. */
+struct net_device *__vlan_find_dev_deep(struct net_device *real_dev,
+					u16 vlan_id)
+{
+	struct vlan_group *grp = rcu_dereference_rtnl(real_dev->vlgrp);
+
+	if (grp) {
+		return vlan_group_get_device(grp, vlan_id);
+	} else {
+		/*
+		 * Bonding slaves do not have grp assigned to themselves.
+		 * Grp is assigned to bonding master instead.
+		 */
+		if (netif_is_bond_slave(real_dev))
+			return __vlan_find_dev_deep(real_dev->master, vlan_id);
+	}
+
+	return NULL;
+}
+EXPORT_SYMBOL(__vlan_find_dev_deep);
+
 struct net_device *vlan_dev_real_dev(const struct net_device *dev)
 {
 	return vlan_dev_info(dev)->real_dev;
@@ -75,35 +94,13 @@ u16 vlan_dev_vlan_id(const struct net_device *dev)
 }
 EXPORT_SYMBOL(vlan_dev_vlan_id);
 
-/* VLAN rx hw acceleration helper.  This acts like netif_{rx,receive_skb}(). */
-int __vlan_hwaccel_rx(struct sk_buff *skb, struct vlan_group *grp,
-		      u16 vlan_tci, int polling)
-{
-	__vlan_hwaccel_put_tag(skb, vlan_tci);
-	return polling ? netif_receive_skb(skb) : netif_rx(skb);
-}
-EXPORT_SYMBOL(__vlan_hwaccel_rx);
-
-gro_result_t vlan_gro_receive(struct napi_struct *napi, struct vlan_group *grp,
-			      unsigned int vlan_tci, struct sk_buff *skb)
-{
-	__vlan_hwaccel_put_tag(skb, vlan_tci);
-	return napi_gro_receive(napi, skb);
-}
-EXPORT_SYMBOL(vlan_gro_receive);
-
-gro_result_t vlan_gro_frags(struct napi_struct *napi, struct vlan_group *grp,
-			    unsigned int vlan_tci)
-{
-	__vlan_hwaccel_put_tag(napi->skb, vlan_tci);
-	return napi_gro_frags(napi);
-}
-EXPORT_SYMBOL(vlan_gro_frags);
-
 static struct sk_buff *vlan_reorder_header(struct sk_buff *skb)
 {
-	if (skb_cow(skb, skb_headroom(skb)) < 0)
+	if (skb_cow(skb, skb_headroom(skb)) < 0) {
+		kfree_skb(skb);
 		return NULL;
+	}
+
 	memmove(skb->data - ETH_HLEN, skb->data - VLAN_ETH_HLEN, 2 * ETH_ALEN);
 	skb->mac_header += VLAN_HLEN;
 	return skb;