net: nlmon: Simplify nlmon_get_stats64

Do not set rtnl_link_stats64 fields to zero, since they are zeroed
before ops->ndo_get_stats64 is called in core dev_get_stats() function.

Also, simplify the data collection by removing the temporary variable.

Signed-off-by: Breno Leitao <[e-mail]>
Acked-by: Daniel Borkmann <[e-mail]>
Signed-off-by: David S. Miller <[e-mail]>

drivers/net/nlmon.c

···
 static void
 nlmon_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *stats)
 {
-	u64 packets, bytes;
-
-	dev_lstats_read(dev, &packets, &bytes);
-
-	stats->rx_packets = packets;
-	stats->tx_packets = 0;
-
-	stats->rx_bytes = bytes;
-	stats->tx_bytes = 0;
+	dev_lstats_read(dev, &stats->rx_packets, &stats->rx_bytes);
 }
 
 static u32 always_on(struct net_device *dev)