The i40evf driver is not initializing the eth_dev attribute which can result in a nullptr dereference. Changes were modeled after the iavf_dev_init() per suggestion from the mailing list[1].
[1] https://mails.dpdk.org/archives/dev/2021-August/217251.html Fixes: 4861cde46116 ("i40e: new poll mode driver") Cc: sta...@dpdk.org Signed-off-by: Ben Magistro <konce...@gmail.com> --- drivers/net/i40e/i40e_ethdev_vf.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/net/i40e/i40e_ethdev_vf.c b/drivers/net/i40e/i40e_ethdev_vf.c index 0cfe13b7b2..ccdce9a16a 100644 --- a/drivers/net/i40e/i40e_ethdev_vf.c +++ b/drivers/net/i40e/i40e_ethdev_vf.c @@ -1564,8 +1564,9 @@ i40evf_dev_alarm_handler(void *param) static int i40evf_dev_init(struct rte_eth_dev *eth_dev) { - struct i40e_hw *hw - = I40E_DEV_PRIVATE_TO_HW(eth_dev->data->dev_private); + struct i40e_adapter *adapter = + I40E_DEV_PRIVATE_TO_ADAPTER(eth_dev->data->dev_private); + struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(adapter); struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev); PMD_INIT_FUNC_TRACE(); @@ -1596,11 +1597,14 @@ i40evf_dev_init(struct rte_eth_dev *eth_dev) hw->device_id = pci_dev->id.device_id; hw->subsystem_vendor_id = pci_dev->id.subsystem_vendor_id; hw->subsystem_device_id = pci_dev->id.subsystem_device_id; + hw->bus.bus_id = pci_dev->addr.bus; hw->bus.device = pci_dev->addr.devid; hw->bus.func = pci_dev->addr.function; hw->hw_addr = (void *)pci_dev->mem_resource[0].addr; hw->adapter_stopped = 1; hw->adapter_closed = 0; + hw->back = I40E_DEV_PRIVATE_TO_ADAPTER(eth_dev->data->dev_private); + adapter->eth_dev = eth_dev; if(i40evf_init_vf(eth_dev) != 0) { PMD_INIT_LOG(ERR, "Init vf failed"); -- 2.27.0
