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path: root/drivers/net/ethernet/natsemi/sonic.c
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Diffstat (limited to 'drivers/net/ethernet/natsemi/sonic.c')
-rw-r--r--drivers/net/ethernet/natsemi/sonic.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/ethernet/natsemi/sonic.c b/drivers/net/ethernet/natsemi/sonic.c
index 612c7a44b26c..23821540ab07 100644
--- a/drivers/net/ethernet/natsemi/sonic.c
+++ b/drivers/net/ethernet/natsemi/sonic.c
@@ -71,7 +71,7 @@ static int sonic_open(struct net_device *dev)
for (i = 0; i < SONIC_NUM_RRS; i++) {
dma_addr_t laddr = dma_map_single(lp->device, skb_put(lp->rx_skb[i], SONIC_RBSIZE),
SONIC_RBSIZE, DMA_FROM_DEVICE);
- if (!laddr) {
+ if (dma_mapping_error(lp->device, laddr)) {
while(i > 0) { /* free any that were mapped successfully */
i--;
dma_unmap_single(lp->device, lp->rx_laddr[i], SONIC_RBSIZE, DMA_FROM_DEVICE);