Re: [dpdk-dev] [PATCH] net/ice: fix wild pointer

[Ye Xiaolong <xiaolong.ye@intel.com>]

On 11/05, Wang ShougangX wrote:
>To avoid wild pointer, pointers should be set to NULL after free them.
>
>Fixes: 1a2fc1799f09 ("net/ice: reject duplicated flow for flow director")
>Fixes: 84dc7a95a2d3 ("net/ice: enable flow director engine")
>Cc: stable@dpdk.org
>
>Signed-off-by: Wang ShougangX <shougangx.wang@intel.com>
>---
> drivers/net/ice/ice_fdir_filter.c | 8 +++++++-
> 1 file changed, 7 insertions(+), 1 deletion(-)
>
>diff --git a/drivers/net/ice/ice_fdir_filter.c b/drivers/net/ice/ice_fdir_filter.c
>index 736ccd54e..d2c754f07 100644
>--- a/drivers/net/ice/ice_fdir_filter.c
>+++ b/drivers/net/ice/ice_fdir_filter.c
>@@ -403,6 +403,9 @@ ice_fdir_release_filter_list(struct ice_pf *pf)
> 		rte_free(fdir_info->hash_map);
> 	if (fdir_info->hash_table)
> 		rte_hash_free(fdir_info->hash_table);
>+
>+	fdir_info->hash_map = NULL;
>+	fdir_info->hash_table = NULL;
> }
> 
> /*
>@@ -525,10 +528,13 @@ ice_fdir_prof_free(struct ice_hw *hw)
> 
> 	for (ptype = ICE_FLTR_PTYPE_NONF_IPV4_UDP;
> 	     ptype < ICE_FLTR_PTYPE_MAX;
>-	     ptype++)
>+	     ptype++) {
> 		rte_free(hw->fdir_prof[ptype]);
>+		hw->fdir_prof[ptype] = NULL;
>+	}
> 
> 	rte_free(hw->fdir_prof);
>+	hw->fdir_prof = NULL;
> }
> 
> /* Remove a profile for some filter type */
>-- 
>2.17.1
>

Reviewed-by: Xiaolong Ye <xiaolong.ye@intel.com>

Applied to dpdk-next-net-intel. Thanks.