net: hns3: add unlikely for error check

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The first bd of a packet is invalid and invalid ring head for tx
IRQ is not offen, they may occur when there is error,
Add unlikely for error check branch is better for performance.

Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Peng Li 2018-06-28 12:12:23 +08:00 • committed by David S. Miller

parent 94c5e53213

commit 0e6084aa1c

1 changed files with 2 additions and 2 deletions

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4

drivers/net/ethernet/hisilicon/hns3/hns3_enet.c

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