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

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

On 11/07, Ye Xiaolong wrote:
>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.

Please ignore this mail, I'm still waiting for your new patchset.

Thanks,
Xiaolong