From: Rusty Russell <rusty@rustcorp.com.au>
Date: Tue, 16 Oct 2012 13:26:15 +0000 (+1030)
Subject: virtio: net: make it clear that virtqueue_add_buf() no longer returns > 0
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=0e3daa6491699640b9efc321d61310aee9a809d5;p=linux-beck.git

virtio: net: make it clear that virtqueue_add_buf() no longer returns > 0

We simplified virtqueue_add_buf(), make it clear in the callers.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
---

diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index 7c7f5a94ca4f..62898910708a 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -635,7 +635,7 @@ static netdev_tx_t start_xmit(struct sk_buff *skb, struct net_device *dev)
 	err = xmit_skb(vi, skb);
 
 	/* This should not happen! */
-	if (unlikely(err < 0)) {
+	if (unlikely(err)) {
 		dev->stats.tx_fifo_errors++;
 		if (net_ratelimit())
 			dev_warn(&dev->dev,