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IPoIB: Include return code in trace message for ib_post_send() failures

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Print the return code of ib_post_send() if it fails to make these
debugging messages more useful.

Signed-off-by: Or Gerlitz <ogerlitz@voltaire.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
This commit is contained in:
Or Gerlitz
2010-03-04 13:17:37 +00:00
committed by Roland Dreier
parent f0dc117abd
commit a48f509b26
2 changed files with 10 additions and 7 deletions
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9
drivers/infiniband/ulp/ipoib/ipoib_ib.c
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@@ -529,7 +529,7 @@ void ipoib_send(struct net_device *dev, struct sk_buff *skb,
{
struct ipoib_dev_priv *priv = netdev_priv(dev);
struct ipoib_tx_buf *tx_req;
int hlen;
int hlen, rc;
void *phead;
if (skb_is_gso(skb)) {
@@ -585,9 +585,10 @@ void ipoib_send(struct net_device *dev, struct sk_buff *skb,
netif_stop_queue(dev);
}
if (unlikely(post_send(priv, priv->tx_head & (ipoib_sendq_size - 1),
address->ah, qpn, tx_req, phead, hlen))) {
ipoib_warn(priv, "post_send failed\n");
rc = post_send(priv, priv->tx_head & (ipoib_sendq_size - 1),
address->ah, qpn, tx_req, phead, hlen);
if (unlikely(rc)) {
ipoib_warn(priv, "post_send failed, error %d\n", rc);
++dev->stats.tx_errors;
--priv->tx_outstanding;
ipoib_dma_unmap_tx(priv->ca, tx_req);