net: remove check for headroom in vlan_dev_create

[net-next-2.6.git] / net / 8021q / vlan_dev.c

diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c
index 3d59c9bf8febf5064150ff50d22db9d569453131..afb03c5a7adc86aaed3a15e2b89f424dd26395f2 100644 (file)
--- a/net/8021q/vlan_dev.c
+++ b/net/8021q/vlan_dev.c
@@ -158,7 +158,7 @@ int vlan_skb_recv(struct sk_buff *skb, struct net_device *dev,
        vlan_id = vlan_tci & VLAN_VID_MASK;
 
        rcu_read_lock();
-       vlan_dev = __find_vlan_dev(dev, vlan_id);
+       vlan_dev = vlan_find_dev(dev, vlan_id);
 
        /* If the VLAN device is defined, we use it.
         * If not, and the VID is 0, it is a 802.1p packet (not
@@ -177,8 +177,8 @@ int vlan_skb_recv(struct sk_buff *skb, struct net_device *dev,
        } else {
                skb->dev = vlan_dev;
 
-               rx_stats = per_cpu_ptr(vlan_dev_info(skb->dev)->vlan_rx_stats,
-                                       smp_processor_id());
+               rx_stats = this_cpu_ptr(vlan_dev_info(skb->dev)->vlan_rx_stats);
+
                u64_stats_update_begin(&rx_stats->syncp);
                rx_stats->rx_packets++;
                rx_stats->rx_bytes += skb->len;
@@ -226,12 +226,14 @@ int vlan_skb_recv(struct sk_buff *skb, struct net_device *dev,
        }
 
        netif_rx(skb);
+
        rcu_read_unlock();
        return NET_RX_SUCCESS;
 
 err_unlock:
        rcu_read_unlock();
 err_free:
+       atomic_long_inc(&dev->rx_dropped);
        kfree_skb(skb);
        return NET_RX_DROP;
 }
@@ -272,9 +274,6 @@ static int vlan_dev_hard_header(struct sk_buff *skb, struct net_device *dev,
        u16 vlan_tci = 0;
        int rc;
 
-       if (WARN_ON(skb_headroom(skb) < dev->hard_header_len))
-               return -ENOSPC;
-
        if (!(vlan_dev_info(dev)->flags & VLAN_FLAG_REORDER_HDR)) {
                vhdr = (struct vlan_hdr *) skb_push(skb, VLAN_HLEN);
 
@@ -510,7 +509,8 @@ static int vlan_dev_open(struct net_device *dev)
        if (vlan->flags & VLAN_FLAG_GVRP)
                vlan_gvrp_request_join(dev);
 
-       netif_carrier_on(dev);
+       if (netif_carrier_ok(real_dev))
+               netif_carrier_on(dev);
        return 0;
 
 clear_allmulti:
@@ -842,7 +842,7 @@ static struct rtnl_link_stats64 *vlan_dev_get_stats64(struct net_device *dev, st
                        accum.rx_packets += rxpackets;
                        accum.rx_bytes   += rxbytes;
                        accum.rx_multicast += rxmulticast;
-                       /* rx_errors is an ulong, not protected by syncp */
+                       /* rx_errors is ulong, not protected by syncp */
                        accum.rx_errors  += p->rx_errors;
                }
                stats->rx_packets = accum.rx_packets;