diff options
| author | Or Gerlitz <ogerlitz@voltaire.com> | 2010-03-04 13:17:37 +0000 |
|---|---|---|
| committer | Roland Dreier <rolandd@cisco.com> | 2010-03-11 13:43:11 -0800 |
| commit | a48f509b26cec53338f4b0abd52ecea35e3974b8 (patch) | |
| tree | e08d069cb636346f64a3fb193f7565ad739b7d58 /drivers/infiniband/ulp/ipoib/ipoib_cm.c | |
| parent | f0dc117abdfa9a0e96c3d013d836460ef3cd08c7 (diff) | |
IPoIB: Include return code in trace message for ib_post_send() failures
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>
Diffstat (limited to 'drivers/infiniband/ulp/ipoib/ipoib_cm.c')
| -rw-r--r-- | drivers/infiniband/ulp/ipoib/ipoib_cm.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_cm.c b/drivers/infiniband/ulp/ipoib/ipoib_cm.c index 6e3cc865e36..bc658373ad5 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_cm.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_cm.c @@ -708,6 +708,7 @@ void ipoib_cm_send(struct net_device *dev, struct sk_buff *skb, struct ipoib_cm_ struct ipoib_dev_priv *priv = netdev_priv(dev); struct ipoib_cm_tx_buf *tx_req; u64 addr; + int rc; if (unlikely(skb->len > tx->mtu)) { ipoib_warn(priv, "packet len %d (> %d) too long to send, dropping\n", @@ -739,9 +740,10 @@ void ipoib_cm_send(struct net_device *dev, struct sk_buff *skb, struct ipoib_cm_ tx_req->mapping = addr; - if (unlikely(post_send(priv, tx, tx->tx_head & (ipoib_sendq_size - 1), - addr, skb->len))) { - ipoib_warn(priv, "post_send failed\n"); + rc = post_send(priv, tx, tx->tx_head & (ipoib_sendq_size - 1), + addr, skb->len); + if (unlikely(rc)) { + ipoib_warn(priv, "post_send failed, error %d\n", rc); ++dev->stats.tx_errors; ib_dma_unmap_single(priv->ca, addr, skb->len, DMA_TO_DEVICE); dev_kfree_skb_any(skb); |