[dpdk-dev] [PATCH] net/ice: fix wild pointer
Wang ShougangX
shougangx.wang at intel.com
Tue Nov 5 04:38:06 CET 2019
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 at dpdk.org
Signed-off-by: Wang ShougangX <shougangx.wang at 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
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