Re: [PATCH] net/af_packet: initialize link interrupt callback queue

[Stephen Hemminger <stephen@networkplumber.org>]

On Sat, 17 Dec 2016 13:03:55 -0500
Chas Williams <3chas3@gmail.com> wrote:

> This patch initializes the eth_dev->link_intr_cbs queue which is
> used when af_packet is passed into rte_eth_ev_callback_register().
> 
> Fixes: 4dc294158cac ("ethdev: support optional Rx and Tx callbacks")
> 
> Signed-off-by: Chas Williams <3chas3@gmail.com>
> ---
>  drivers/net/af_packet/rte_eth_af_packet.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/net/af_packet/rte_eth_af_packet.c b/drivers/net/af_packet/rte_eth_af_packet.c
> index a1e13ff..ea5070a 100644
> --- a/drivers/net/af_packet/rte_eth_af_packet.c
> +++ b/drivers/net/af_packet/rte_eth_af_packet.c
> @@ -708,6 +708,7 @@ rte_pmd_init_internals(const char *name,
>  	(*eth_dev)->data->drv_name = pmd_af_packet_drv.driver.name;
>  	(*eth_dev)->data->kdrv = RTE_KDRV_NONE;
>  	(*eth_dev)->data->numa_node = numa_node;
> +	TAILQ_INIT(&((*eth_dev)->link_intr_cbs));

This code really needs to have a local variable for eth_dev and not deref
a pointer in every statement.