virtio_net: do not rate limit counter increments

While it is desirable to rate limit certain messages, it is not
desirable to rate limit the incrementing of counters associated
with those messages.

Signed-off-by: Rick Jones <rick.jones2@hp.com>
Acked-by: Rusty Russell <rusty@rustcorp.com.au>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/virtio_net.c

@@ -625,12 +625,13 @@ static netdev_tx_t start_xmit(struct sk_buff *skb, struct net_device *dev)
 
 	/* This can happen with OOM and indirect buffers. */
 	if (unlikely(capacity < 0)) {
-		if (net_ratelimit()) {
-			if (likely(capacity == -ENOMEM)) {
+		if (likely(capacity == -ENOMEM)) {
+			if (net_ratelimit()) {
 				dev_warn(&dev->dev,
 					 "TX queue failure: out of memory\n");
 			} else {
-				dev->stats.tx_fifo_errors++;
+			dev->stats.tx_fifo_errors++;
+			if (net_ratelimit())
 				dev_warn(&dev->dev,
 					 "Unexpected TX queue failure: %d\n",
 					 capacity);