Commit d4b0a4c1 authored by Olof Johansson's avatar Olof Johansson Committed by Jeff Garzik
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[PATCH] spidernet: Use pci_dma_mapping_error() 



A driver shouldn't compare to DMA_ERROR_CODE directly, use
pci_dma_mapping_error() instead.

Signed-off-by: default avatarOlof Johansson <olof@lixom.net>
Signed-off-by: default avatarJeff Garzik <jeff@garzik.org>
parent c73a29da

drivers/net/spider_net.c

+3 −3
Original line number Diff line number Diff line
@@ -317,7 +317,7 @@ spider_net_init_chain(struct spider_net_card *card, 
				     SPIDER_NET_DESCR_SIZE,

				     direction);



		if (buf == DMA_ERROR_CODE)

		if (pci_dma_mapping_error(buf))

			goto iommu_error;



		descr->bus_addr = buf;
@@ -420,7 +420,7 @@ spider_net_prepare_rx_descr(struct spider_net_card *card, 
	buf = pci_map_single(card->pdev, descr->skb->data,

			SPIDER_NET_MAX_FRAME, PCI_DMA_FROMDEVICE);

	descr->buf_addr = buf;

	if (buf == DMA_ERROR_CODE) {

	if (pci_dma_mapping_error(buf)) {

		dev_kfree_skb_any(descr->skb);

		if (netif_msg_rx_err(card) && net_ratelimit())

			pr_err("Could not iommu-map rx buffer\n");
@@ -649,7 +649,7 @@ spider_net_prepare_tx_descr(struct spider_net_card *card, 
	dma_addr_t buf;



	buf = pci_map_single(card->pdev, skb->data, skb->len, PCI_DMA_TODEVICE);

	if (buf == DMA_ERROR_CODE) {

	if (pci_dma_mapping_error(buf)) {

		if (netif_msg_tx_err(card) && net_ratelimit())

			pr_err("could not iommu-map packet (%p, %i). "

				  "Dropping packet\n", skb->data, skb->len);