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[PATCH] spidernet: Use pci_dma_mapping_error()

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

Signed-off-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
Olof Johansson 2006-09-27 14:02:26 -05:00 committed by Jeff Garzik
parent c73a29da23
commit d4b0a4c19a
1 changed files with 3 additions and 3 deletions
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6
drivers/net/spider_net.c
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@ -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);