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net: hns3: add a check for get_reset_level

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For some cases, ops->get_reset_level may not be implemented, so we
should check whether it is NULL before calling get_reset_level.

Signed-off-by: Guangbin Huang <huangguangbin@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Guangbin Huang 2019-07-29 10:53:23 +08:00 committed by David S. Miller
parent 44950d28cc
commit aa3253b889
1 changed files with 1 additions and 1 deletions
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2
drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
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@ -1963,7 +1963,7 @@ static pci_ers_result_t hns3_slot_reset(struct pci_dev *pdev)
ops = ae_dev->ops;
/* request the reset */
if (ops->reset_event) {
if (ops->reset_event && ops->get_reset_level) {
if (ae_dev->hw_err_reset_req) {
reset_type = ops->get_reset_level(ae_dev,
&ae_dev->hw_err_reset_req);