Re: [dpdk-dev] [PATCH v2] flow_classify: fix leaking rules on delete

["Iremonger, Bernard" <bernard.iremonger@intel.com>]

Hi Owen,

> -----Original Message-----
> From: ohilyard@iol.unh.edu <ohilyard@iol.unh.edu>
> Sent: Wednesday, June 23, 2021 6:07 PM
> To: Iremonger, Bernard <bernard.iremonger@intel.com>
> Cc: dev@dpdk.org; david.marchand@redhat.com; Owen Hilyard
> <ohilyard@iol.unh.edu>
> Subject: [PATCH v2] flow_classify: fix leaking rules on delete
> 
> From: Owen Hilyard <ohilyard@iol.unh.edu>
> 
> Rules in a classify table were not freed if the table had a delete function.
> 
> Fixes: be41ac2a3 ("flow_classify: introduce flow classify library")
> 
> Signed-off-by: Owen Hilyard <ohilyard@iol.unh.edu>
> ---
>  lib/flow_classify/rte_flow_classify.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/lib/flow_classify/rte_flow_classify.c
> b/lib/flow_classify/rte_flow_classify.c
> index f125267e8..d3ba2ed22 100644
> --- a/lib/flow_classify/rte_flow_classify.c
> +++ b/lib/flow_classify/rte_flow_classify.c
> @@ -579,12 +579,12 @@ rte_flow_classify_table_entry_delete(struct
> rte_flow_classifier *cls,
>  						&rule->u.key.key_del,
>  						&rule->key_found,
>  						&rule->entry);
> -
> +				if (ret == 0)
> +					free(rule);
>  				return ret;
>  			}
>  		}
>  	}
> -	free(rule);
>  	return ret;
>  }
> 
> --
> 2.30.2
This patch should be backported.
Please add the following line after the Fixes line:
Cc: stable@dpdk.org

Otherwise 

Acked-by: Bernard Iremonger <bernard.iremonger@intel.com>