diff options
Diffstat (limited to 'drivers/net/ethernet/nvidia/forcedeth.c')
| -rw-r--r-- | drivers/net/ethernet/nvidia/forcedeth.c | 26 |
1 files changed, 14 insertions, 12 deletions
diff --git a/drivers/net/ethernet/nvidia/forcedeth.c b/drivers/net/ethernet/nvidia/forcedeth.c index b605b94f4567..a235e8881af9 100644 --- a/drivers/net/ethernet/nvidia/forcedeth.c +++ b/drivers/net/ethernet/nvidia/forcedeth.c @@ -1817,8 +1817,8 @@ static int nv_alloc_rx(struct net_device *dev) skb->data, skb_tailroom(skb), DMA_FROM_DEVICE); - if (dma_mapping_error(&np->pci_dev->dev, - np->put_rx_ctx->dma)) { + if (unlikely(dma_mapping_error(&np->pci_dev->dev, + np->put_rx_ctx->dma))) { kfree_skb(skb); goto packet_dropped; } @@ -1858,8 +1858,8 @@ static int nv_alloc_rx_optimized(struct net_device *dev) skb->data, skb_tailroom(skb), DMA_FROM_DEVICE); - if (dma_mapping_error(&np->pci_dev->dev, - np->put_rx_ctx->dma)) { + if (unlikely(dma_mapping_error(&np->pci_dev->dev, + np->put_rx_ctx->dma))) { kfree_skb(skb); goto packet_dropped; } @@ -2227,8 +2227,8 @@ static netdev_tx_t nv_start_xmit(struct sk_buff *skb, struct net_device *dev) np->put_tx_ctx->dma = dma_map_single(&np->pci_dev->dev, skb->data + offset, bcnt, DMA_TO_DEVICE); - if (dma_mapping_error(&np->pci_dev->dev, - np->put_tx_ctx->dma)) { + if (unlikely(dma_mapping_error(&np->pci_dev->dev, + np->put_tx_ctx->dma))) { /* on DMA mapping error - drop the packet */ dev_kfree_skb_any(skb); u64_stats_update_begin(&np->swstats_tx_syncp); @@ -2268,7 +2268,8 @@ static netdev_tx_t nv_start_xmit(struct sk_buff *skb, struct net_device *dev) frag, offset, bcnt, DMA_TO_DEVICE); - if (dma_mapping_error(&np->pci_dev->dev, np->put_tx_ctx->dma)) { + if (unlikely(dma_mapping_error(&np->pci_dev->dev, + np->put_tx_ctx->dma))) { /* Unwind the mapped fragments */ do { @@ -2377,8 +2378,8 @@ static netdev_tx_t nv_start_xmit_optimized(struct sk_buff *skb, np->put_tx_ctx->dma = dma_map_single(&np->pci_dev->dev, skb->data + offset, bcnt, DMA_TO_DEVICE); - if (dma_mapping_error(&np->pci_dev->dev, - np->put_tx_ctx->dma)) { + if (unlikely(dma_mapping_error(&np->pci_dev->dev, + np->put_tx_ctx->dma))) { /* on DMA mapping error - drop the packet */ dev_kfree_skb_any(skb); u64_stats_update_begin(&np->swstats_tx_syncp); @@ -2419,7 +2420,8 @@ static netdev_tx_t nv_start_xmit_optimized(struct sk_buff *skb, bcnt, DMA_TO_DEVICE); - if (dma_mapping_error(&np->pci_dev->dev, np->put_tx_ctx->dma)) { + if (unlikely(dma_mapping_error(&np->pci_dev->dev, + np->put_tx_ctx->dma))) { /* Unwind the mapped fragments */ do { @@ -5075,8 +5077,8 @@ static int nv_loopback_test(struct net_device *dev) test_dma_addr = dma_map_single(&np->pci_dev->dev, tx_skb->data, skb_tailroom(tx_skb), DMA_FROM_DEVICE); - if (dma_mapping_error(&np->pci_dev->dev, - test_dma_addr)) { + if (unlikely(dma_mapping_error(&np->pci_dev->dev, + test_dma_addr))) { dev_kfree_skb_any(tx_skb); goto out; } |