Commit 73fbe8be authored by Roland Dreier's avatar Roland Dreier
Browse files

IPoIB: Check for DMA mapping error for TX packets 



Signed-off-by: default avatarRoland Dreier <rolandd@cisco.com>
parent 1031bfb9

drivers/infiniband/ulp/ipoib/ipoib_ib.c

+5 −0
Original line number Diff line number Diff line
@@ -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),