[PATCH v1 1/1] net/ice: fix NULL pointer dereference in DCF

[Bruce Richardson]

On Thu, Jun 25, 2026 at 04:49:08PM +0100, Anatoly Burakov wrote:
> When calling into common parameter checks and subsequent action check
> callbacks, the DCF path never supplied the `driver_ctx` struct, yet the
> callback itself dereferenced the struct.
> 
> Fix it by supplying the DCF adapter struct as context.
> 
> Fixes: db24a8092854 ("net/ice: use common action checks for switch")
> Cc: vladimir.medvedkin at intel.com
> 
> Signed-off-by: Anatoly Burakov <anatoly.burakov at intel.com>
> ---
Acked-by: Bruce Richardson <bruce.richardson at intel.com>

Patch applied to dpdk-next-net-intel.
Thanks,
/Bruce

>  drivers/net/intel/ice/ice_switch_filter.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/net/intel/ice/ice_switch_filter.c b/drivers/net/intel/ice/ice_switch_filter.c
> index 5d9e0062af..6f5af03f6a 100644
> --- a/drivers/net/intel/ice/ice_switch_filter.c
> +++ b/drivers/net/intel/ice/ice_switch_filter.c
> @@ -1773,6 +1773,7 @@ ice_switch_parse_pattern_action(struct ice_adapter *ad,
>  		},
>  		.max_actions = 1,
>  		.check = ice_switch_dcf_action_check,
> +		.driver_ctx = container_of(ad, struct ice_dcf_adapter, parent),
>  	};
>  	struct ci_flow_actions_check_param param = {
>  		.allowed_types = (enum rte_flow_action_type[]){
> -- 
> 2.47.3
>