[dpdk-stable] [PATCH v2] net/ixgbe: fix mac resourece leak

[Wang, Haiyue]

> -----Original Message-----
> From: Qiming Chen <chenqiming_huawei at 163.com>
> Sent: Tuesday, August 31, 2021 22:22
> To: dev at dpdk.org
> Cc: Wang, Haiyue <haiyue.wang at intel.com>; Qiming Chen <chenqiming_huawei at 163.com>; stable at dpdk.org
> Subject: [PATCH v2] net/ixgbe: fix mac resourece leak
> 
> In the eth_ixgbevf_dev_init and eth_ixgbe_dev_init functions, memory is
> allocated for the MAC address, and the address is stored in the
> eth_dev->data->mac_addrs member variable. If the subsequent function is
> abnormal, you need to use the rte_free function to release the MAC
> address memory.
> 
> Fixes: abf7275bbaa2 ("ixgbe: move to drivers/net/")

Use this tag:
Fixes: af75078fece3 ("first public release")

Also, your ixgbe series fixes can be into patch set, no need to
send them one by one.

Thanks for your effort. ;-)

> Cc: stable at dpdk.org
> 
> Signed-off-by: Qiming Chen <chenqiming_huawei at 163.com>
> ---
> v2:
>   Clear coding style warning.
> ---
>  drivers/net/ixgbe/ixgbe_ethdev.c | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/drivers/net/ixgbe/ixgbe_ethdev.c b/drivers/net/ixgbe/ixgbe_ethdev.c
> index 7d3a821300..6a91f104e1 100644
> --- a/drivers/net/ixgbe/ixgbe_ethdev.c
> +++ b/drivers/net/ixgbe/ixgbe_ethdev.c
> @@ -1218,6 +1218,8 @@ eth_ixgbe_dev_init(struct rte_eth_dev *eth_dev, void *init_params __rte_unused)
>  		PMD_INIT_LOG(ERR,
>  			     "Failed to allocate %d bytes needed to store MAC addresses",
>  			     RTE_ETHER_ADDR_LEN * IXGBE_VMDQ_NUM_UC_MAC);
> +		rte_free(eth_dev->data->mac_addrs);
> +		eth_dev->data->mac_addrs = NULL;
>  		return -ENOMEM;
>  	}
> 
> @@ -1672,6 +1674,8 @@ eth_ixgbevf_dev_init(struct rte_eth_dev *eth_dev)
> 
>  	default:
>  		PMD_INIT_LOG(ERR, "VF Initialization Failure: %d", diag);
> +		rte_free(eth_dev->data->mac_addrs);
> +		eth_dev->data->mac_addrs = NULL;
>  		return -EIO;
>  	}
> 
> --
> 2.30.1.windows.1