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IPoIB: Check for DMA mapping error for TX packets 

Signed-off-by: Roland Dreier <rolandd@cisco.com>
This commit is contained in:
Roland Dreier 2006-10-10 12:50:38 -07:00
parent 1031bfb93a
commit 73fbe8be73
1 changed files with 5 additions and 0 deletions
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5
drivers/infiniband/ulp/ipoib/ipoib_ib.c
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@ -355,6 +355,11 @@ void ipoib_send(struct net_device *dev, struct sk_buff *skb,
tx_req->skb = skb;
addr = dma_map_single(priv->ca->dma_device, skb->data, skb->len,
DMA_TO_DEVICE);
if (unlikely(dma_mapping_error(addr))) {
++priv->stats.tx_errors;
dev_kfree_skb_any(skb);
return;
}
pci_unmap_addr_set(tx_req, mapping, addr);
if (unlikely(post_send(priv, priv->tx_head & (ipoib_sendq_size - 1),