IPoIB: Check for DMA mapping error for TX packets (73fbe8be) · Commits · 戴 / test

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),