diff options
Diffstat (limited to 'drivers/net/ethernet/natsemi/sonic.c')
| -rw-r--r-- | drivers/net/ethernet/natsemi/sonic.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/net/ethernet/natsemi/sonic.c b/drivers/net/ethernet/natsemi/sonic.c index 05e760444a92..953708e2ab4b 100644 --- a/drivers/net/ethernet/natsemi/sonic.c +++ b/drivers/net/ethernet/natsemi/sonic.c @@ -256,7 +256,7 @@ static int sonic_send_packet(struct sk_buff *skb, struct net_device *dev) */ laddr = dma_map_single(lp->device, skb->data, length, DMA_TO_DEVICE); - if (!laddr) { + if (dma_mapping_error(lp->device, laddr)) { pr_err_ratelimited("%s: failed to map tx DMA buffer.\n", dev->name); dev_kfree_skb_any(skb); return NETDEV_TX_OK; @@ -474,7 +474,7 @@ static bool sonic_alloc_rb(struct net_device *dev, struct sonic_local *lp, *new_addr = dma_map_single(lp->device, skb_put(*new_skb, SONIC_RBSIZE), SONIC_RBSIZE, DMA_FROM_DEVICE); - if (!*new_addr) { + if (dma_mapping_error(lp->device, *new_addr)) { dev_kfree_skb(*new_skb); *new_skb = NULL; return false; |