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From: "Xueming(Steven) Li" <xuemingl@nvidia.com>
To: "koncept1@gmail.com" <koncept1@gmail.com>, "dev@dpdk.org" <dev@dpdk.org>
Cc: "ben.magistro@trinitycyber.com" <ben.magistro@trinitycyber.com>,
	"stable@dpdk.org" <stable@dpdk.org>
Subject: Re: [dpdk-stable] [dpdk-dev] [PATCH v3] net/i40e: fix i40evf device initialization
Date: Mon, 8 Nov 2021 11:21:41 +0000
Message-ID: <b25e31e3de839710671c37cb84516baa9fb68a73.camel@nvidia.com> (raw)
In-Reply-To: <20211012141752.6376-1-koncept1@gmail.com>

On Tue, 2021-10-12 at 14:17 +0000, Ben Magistro wrote:
> 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: stable@dpdk.org
> 
> Signed-off-by: Ben Magistro <koncept1@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");

Hi Ben,

There is compilation error, could you rebase with tag v20.11.3?


  reply	other threads:[~2021-11-08 11:21 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20210825194526.14987-1-koncept1@gmail.com>
     [not found] ` <94f93212-6432-710b-1135-638e359741da@intel.com>
     [not found]   ` <11dd4ae3-0396-b237-7f2b-1484f07bb637@redhat.com>
     [not found]     ` <DM4PR12MB5373F257EB40412DB8614815A1C89@DM4PR12MB5373.namprd12.prod.outlook.com>
     [not found]       ` <9527de1a-30ac-9bc9-ad11-14fbcd5207a1@intel.com>
     [not found]         ` <DM4PR12MB537374EE140EFF70B2ADD3DCA1CE9@DM4PR12MB5373.namprd12.prod.outlook.com>
2021-09-14  2:52           ` [dpdk-stable] [dpdk-dev] [PATCH] driver: " Ben Magistro
2021-09-17 14:44 ` [dpdk-stable] [PATCH v2, 20.11] net/i40e: fix " Ben Magistro
2021-09-28 21:23 ` Ben Magistro
2021-10-12 14:17 ` [dpdk-stable] [PATCH v3] " Ben Magistro
2021-11-08 11:21   ` Xueming(Steven) Li [this message]
2021-11-08 15:54   ` [dpdk-stable] [PATCH v4] " Ben Magistro
2021-11-27 13:34     ` [dpdk-stable][20.11] " Xueming(Steven) Li

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