From fa17c708ff5aa169eb87c9de665c1f2011cc51b9 Mon Sep 17 00:00:00 2001 From: Guangbin Huang Date: Wed, 11 Sep 2019 10:40:38 +0800 Subject: [PATCH] net: hns3: check NULL pointer before use This patch checks ops->set_default_reset_request whether is NULL before using it in function hns3_slot_reset. Signed-off-by: Guangbin Huang Signed-off-by: Huazhong Tan Signed-off-by: David S. Miller --- drivers/net/ethernet/hisilicon/hns3/hns3_enet.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c index 8dbaf36b83d34..616cad0faa211 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c @@ -2006,7 +2006,8 @@ static pci_ers_result_t hns3_slot_reset(struct pci_dev *pdev) ops = ae_dev->ops; /* request the reset */ - if (ops->reset_event && ops->get_reset_level) { + if (ops->reset_event && ops->get_reset_level && + ops->set_default_reset_request) { if (ae_dev->hw_err_reset_req) { reset_type = ops->get_reset_level(ae_dev, &ae_dev->hw_err_reset_req); -- 2.30.2