diff options
author | Colin Ian King <colin.king@canonical.com> | 2019-06-17 12:42:14 +0100 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2019-06-17 14:02:57 -0700 |
commit | ad9bf5451945877c73ca3f49b803648363322f0e (patch) | |
tree | e62efe0eca002b1519a5db02166d940f315bf8e9 /drivers | |
parent | 43321251e2f2805aac8fa70bb084814388a91002 (diff) | |
download | linux-ad9bf5451945877c73ca3f49b803648363322f0e.tar.bz2 |
net: hns3: fix dereference of ae_dev before it is null checked
Pointer ae_dev is null checked however, prior to that it is dereferenced
when assigned pointer ops. Fix this by assigning pointer ops after ae_dev
has been null checked.
Addresses-Coverity: ("Dereference before null check")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/net/ethernet/hisilicon/hns3/hns3_enet.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c index 951a8125ea0c..58633cdcdcfd 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c @@ -1940,13 +1940,14 @@ static pci_ers_result_t hns3_error_detected(struct pci_dev *pdev, static pci_ers_result_t hns3_slot_reset(struct pci_dev *pdev) { struct hnae3_ae_dev *ae_dev = pci_get_drvdata(pdev); - const struct hnae3_ae_ops *ops = ae_dev->ops; + const struct hnae3_ae_ops *ops; enum hnae3_reset_type reset_type; struct device *dev = &pdev->dev; if (!ae_dev || !ae_dev->ops) return PCI_ERS_RESULT_NONE; + ops = ae_dev->ops; /* request the reset */ if (ops->reset_event) { if (!ae_dev->override_pci_need_reset) { |