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

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

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell 2012-10-16 23:56:15 +10:30
parent 589575a235
commit 0e3daa6491
1 changed files with 1 additions and 1 deletions
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2
drivers/net/virtio_net.c
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@ -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,