veth: Kill unused tx_dropped
Eric Dumazet [Wed, 6 Jul 2011 08:51:04 +0000 (01:51 -0700)]
Followup to commit f82528bc13a (Exclude duplicated checking for
iface-up) : We no longer need percpu tx_dropped field.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/veth.c

index 19e0b0c..7f78db7 100644 (file)
@@ -30,7 +30,6 @@ struct veth_net_stats {
        u64                     rx_bytes;
        u64                     tx_bytes;
        u64                     rx_dropped;
-       u64                     tx_dropped;
        struct u64_stats_sync   syncp;
 };
 
@@ -168,7 +167,7 @@ static struct rtnl_link_stats64 *veth_get_stats64(struct net_device *dev,
        for_each_possible_cpu(cpu) {
                struct veth_net_stats *stats = per_cpu_ptr(priv->stats, cpu);
                u64 rx_packets, rx_bytes, rx_dropped;
-               u64 tx_packets, tx_bytes, tx_dropped;
+               u64 tx_packets, tx_bytes;
                unsigned int start;
 
                do {
@@ -178,14 +177,12 @@ static struct rtnl_link_stats64 *veth_get_stats64(struct net_device *dev,
                        rx_bytes = stats->rx_bytes;
                        tx_bytes = stats->tx_bytes;
                        rx_dropped = stats->rx_dropped;
-                       tx_dropped = stats->tx_dropped;
                } while (u64_stats_fetch_retry_bh(&stats->syncp, start));
                tot->rx_packets += rx_packets;
                tot->tx_packets += tx_packets;
                tot->rx_bytes   += rx_bytes;
                tot->tx_bytes   += tx_bytes;
                tot->rx_dropped += rx_dropped;
-               tot->tx_dropped += tx_dropped;
        }
 
        return tot;