From: Salil Mehta <salil.mehta@huawei.com>
To: <davem@davemloft.net>
Cc: <salil.mehta@huawei.com>, <yisen.zhuang@huawei.com>,
<lipeng321@huawei.com>, <mehta.salil@opnsrc.net>,
<netdev@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
<linuxarm@huawei.com>, Jian Shen <shenjian15@huawei.com>
Subject: [PATCH net-next 08/12] net: hns3: Add unlikely for dma_mapping_error check
Date: Fri, 21 Sep 2018 16:41:44 +0100 [thread overview]
Message-ID: <20180921154148.26756-9-salil.mehta@huawei.com> (raw)
In-Reply-To: <20180921154148.26756-1-salil.mehta@huawei.com>
From: Jian Shen <shenjian15@huawei.com>
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>
---
drivers/net/ethernet/hisilicon/hns3/hns3_enet.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
index 73b42d3..8b63707 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;
--
2.7.4
next prev parent reply other threads:[~2018-09-21 15:43 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-09-21 15:41 [PATCH net-next 00/12] Bug fixes, snall modifications & cleanup for HNS3 driver Salil Mehta
2018-09-21 15:41 ` [PATCH net-next 01/12] net: hns3: Fix ets validate issue Salil Mehta
2018-09-21 15:41 ` [PATCH net-next 02/12] net: hns3: Unify the type convert for desc.data Salil Mehta
2018-09-21 15:41 ` [PATCH net-next 03/12] net: hns3: Adjust prefix of tx/rx statistic names Salil Mehta
2018-09-21 15:41 ` [PATCH net-next 04/12] net: hns3: Fix tqp array traversal condition for vf Salil Mehta
2018-09-21 15:41 ` [PATCH net-next 05/12] net: hns3: Unify the prefix of vf functions Salil Mehta
2018-09-21 15:41 ` [PATCH net-next 06/12] net: hns3: Add handle for default case Salil Mehta
2018-09-21 15:41 ` [PATCH net-next 07/12] net: hns3: Add nic state check before calling netif_tx_wake_queue Salil Mehta
2018-09-21 15:41 ` Salil Mehta [this message]
2018-09-21 15:41 ` [PATCH net-next 09/12] net: hns3: Remove print messages for error packet Salil Mehta
2018-09-21 15:41 ` [PATCH net-next 10/12] net: hns3: Add get_media_type ops support for VF Salil Mehta
2018-09-21 15:41 ` [PATCH net-next 11/12] net: hns3: Fix speed/duplex information loss problem when executing ethtool ethx cmd of VF Salil Mehta
2018-09-21 15:41 ` [PATCH net-next 12/12] net: hns3: Remove redundant hclge_get_port_type() Salil Mehta
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