net: 802.1q: make vlan_hwaccel_do_receive() return void

vlan_hwaccel_do_receive() always returns 0, so make it return void.
Signed-off-by: NChangli Gao <xiaosuo@gmail.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

include/linux/if_vlan.h

@@ -119,7 +119,7 @@ extern u16 vlan_dev_vlan_id(const struct net_device *dev);
 
 extern int __vlan_hwaccel_rx(struct sk_buff *skb, struct vlan_group *grp,
 			     u16 vlan_tci, int polling);
-extern int vlan_hwaccel_do_receive(struct sk_buff *skb);
+extern void vlan_hwaccel_do_receive(struct sk_buff *skb);
 extern gro_result_t
 vlan_gro_receive(struct napi_struct *napi, struct vlan_group *grp,
 		 unsigned int vlan_tci, struct sk_buff *skb);
@@ -147,9 +147,8 @@ static inline int __vlan_hwaccel_rx(struct sk_buff *skb, struct vlan_group *grp,
 	return NET_XMIT_SUCCESS;
 }
 
-static inline int vlan_hwaccel_do_receive(struct sk_buff *skb)
+static inline void vlan_hwaccel_do_receive(struct sk_buff *skb)
 {
-	return 0;
 }
 
 static inline gro_result_t

net/8021q/vlan_core.c

@@ -35,7 +35,7 @@ int __vlan_hwaccel_rx(struct sk_buff *skb, struct vlan_group *grp,
 }
 EXPORT_SYMBOL(__vlan_hwaccel_rx);
 
-int vlan_hwaccel_do_receive(struct sk_buff *skb)
+void vlan_hwaccel_do_receive(struct sk_buff *skb)
 {
 	struct net_device *dev = skb->dev;
 	struct vlan_rx_stats     *rx_stats;
@@ -69,7 +69,6 @@ int vlan_hwaccel_do_receive(struct sk_buff *skb)
 		break;
 	}
 	u64_stats_update_end(&rx_stats->syncp);
-	return 0;
 }
 
 struct net_device *vlan_dev_real_dev(const struct net_device *dev)

net/core/dev.c

@@ -2841,8 +2841,8 @@ static int __netif_receive_skb(struct sk_buff *skb)
 	if (!netdev_tstamp_prequeue)
 		net_timestamp_check(skb);
 
-	if (vlan_tx_tag_present(skb) && vlan_hwaccel_do_receive(skb))
-		return NET_RX_SUCCESS;
+	if (vlan_tx_tag_present(skb))
+		vlan_hwaccel_do_receive(skb);
 
 	/* if we've gotten here through NAPI, check netpoll */
 	if (netpoll_receive_skb(skb))