From fa15e99b6bb44aa86b241a43ca8c509e91f80153 Mon Sep 17 00:00:00 2001
From: Denis Kirjanov <kirjanov@gmail.com>
Date: Sun, 10 Jan 2010 13:40:10 -0800
Subject: [PATCH] vxge: use pci_dma_mapping_error to test return value
pci_dma_mapping_error should be used to test return value of
pci_map_single or pci_map_page.
Signed-off-by: Denis Kirjanov <kirjanov@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
drivers/net/vxge/vxge-main.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/vxge/vxge-main.c b/drivers/net/vxge/vxge-main.c
index 0fdfd58a35a1..b9685e82f7b6 100644
--- a/drivers/net/vxge/vxge-main.c
+++ b/drivers/net/vxge/vxge-main.c
@@ -310,7 +310,7 @@ static int vxge_rx_map(void *dtrh, struct vxge_ring *ring)
dma_addr = pci_map_single(ring->pdev, rx_priv->skb_data,
rx_priv->data_size, PCI_DMA_FROMDEVICE);
- if (dma_addr == 0) {
+ if (unlikely(pci_dma_mapping_error(ring->pdev, dma_addr))) {
ring->stats.pci_map_fail++;
return -EIO;
}
--
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