[PATCH V2 net-next 02/11] net: hns3: add a check for get_reset_level

[Huazhong Tan]

From: Guangbin Huang <huangguang...@huawei.com>

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 <huangguang...@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazh...@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 08af782..4d58c53 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
@@ -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);
-- 
2.7.4