diff options
| author |   Jian Shen <shenjian15@huawei.com> | 2018-09-21 16:41:44 +0100 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2018-09-21 19:29:32 -0700 |
| commit | 2211f4e1955f11df5fe8df24f5eeda5a5bbe6748 (patch) | |
| tree | e757dd4a2523082e3580b356f91421a3aff20293 /drivers/net | |
| parent | net: hns3: Add nic state check before calling netif_tx_wake_queue (diff) | |
| download | linux-dev-2211f4e1955f11df5fe8df24f5eeda5a5bbe6748.tar.xz linux-dev-2211f4e1955f11df5fe8df24f5eeda5a5bbe6748.zip | |
net: hns3: Add unlikely for dma_mapping_error check
For dma_mapping_error is unlikely happened, this patch adds unlikely for
dma_mapping_error check.
Signed-off-by: Jian Shen <shenjian15@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/ethernet/hisilicon/hns3/hns3_enet.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c index 73b42d3326ad..8b637077642d 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c @@ -1807,7 +1807,7 @@ static int hns3_map_buffer(struct hns3_enet_ring *ring, struct hns3_desc_cb *cb) cb->dma = dma_map_page(ring_to_dev(ring), cb->priv, 0, cb->length, ring_to_dma_dir(ring)); - if (dma_mapping_error(ring_to_dev(ring), cb->dma)) + if (unlikely(dma_mapping_error(ring_to_dev(ring), cb->dma))) return -EIO; return 0; |