---

yaml --- r: 347460 b: refs/heads/master c: 6ee57bc h: refs/heads/master v: v3
git-mirror · Dec 18, 2012 · c1fbe57 · c1fbe57
1 parent 816479a
commit c1fbe57
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Showing 2 changed files with 5 additions and 6 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 06ca287dbac9cc19d04ac2901b8c4882c03795ff
+refs/heads/master: 6ee57bcc1e61d39c0579438055bc84087210f9b6
diff --git a/trunk/drivers/net/virtio_net.c b/trunk/drivers/net/virtio_net.c
@@ -557,10 +557,10 @@ static int virtnet_poll(struct napi_struct *napi, int budget)
 	return received;
 }
 
-static unsigned int free_old_xmit_skbs(struct virtnet_info *vi)
+static void free_old_xmit_skbs(struct virtnet_info *vi)
 {
 	struct sk_buff *skb;
-	unsigned int len, tot_sgs = 0;
+	unsigned int len;
 	struct virtnet_stats *stats = this_cpu_ptr(vi->stats);
 
 	while ((skb = virtqueue_get_buf(vi->svq, &len)) != NULL) {
@@ -571,10 +571,8 @@ static unsigned int free_old_xmit_skbs(struct virtnet_info *vi)
 		stats->tx_packets++;
 		u64_stats_update_end(&stats->tx_syncp);
 
-		tot_sgs += skb_vnet_hdr(skb)->num_sg;
 		dev_kfree_skb_any(skb);
 	}
-	return tot_sgs;
 }
 
 static int xmit_skb(struct virtnet_info *vi, struct sk_buff *skb)
@@ -664,7 +662,8 @@ static netdev_tx_t start_xmit(struct sk_buff *skb, struct net_device *dev)
 		netif_stop_queue(dev);
 		if (unlikely(!virtqueue_enable_cb_delayed(vi->svq))) {
 			/* More just got used, free them then recheck. */
-			capacity += free_old_xmit_skbs(vi);
+			free_old_xmit_skbs(vi);
+			capacity = vi->svq->num_free;
 			if (capacity >= 2+MAX_SKB_FRAGS) {
 				netif_start_queue(dev);
 				virtqueue_disable_cb(vi->svq);