[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: Olof Johansson <olof@lixom.net>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
diff --git a/drivers/net/spider_net.c b/drivers/net/spider_net.c
index cc240ad..1397fc5 100644
--- a/drivers/net/spider_net.c
+++ b/drivers/net/spider_net.c
@@ -317,7 +317,7 @@
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 @@
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 @@
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);