[PATCH] ethdev: fix flow action async query coverity

[Ori Kam]

Hi Suanming,

> -----Original Message-----
> From: Suanming Mou <suanmingm at nvidia.com>
> Sent: Tuesday, October 17, 2023 11:23 AM
> 
> This commit adds the ops chcek to fix the coverity issue.
> 
> Coverity issue: 403258
> Fixes: c9dc03840873 ("ethdev: add indirect action async query")
> 
> Signed-off-by: Suanming Mou <suanmingm at nvidia.com>
> ---
>  lib/ethdev/rte_flow.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/lib/ethdev/rte_flow.c b/lib/ethdev/rte_flow.c
> index 874f845513..3a67f1aaba 100644
> --- a/lib/ethdev/rte_flow.c
> +++ b/lib/ethdev/rte_flow.c
> @@ -2226,6 +2226,8 @@ rte_flow_async_action_handle_query(uint16_t
> port_id,
>  	const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error);
>  	int ret;
> 
> +	if (unlikely(!ops))
> +		return -rte_errno;
>  	ret = ops->async_action_handle_query(dev, queue_id, op_attr,
>  					  action_handle, data, user_data,
> error);
>  	ret = flow_err(port_id, ret, error);
> --
> 2.34.1

Acked-by: Ori Kam <orika at nvidia.com>