net/hns3: clear hash map on flow director clear

[ upstream commit 7d01f89 ]

The fdir hash map hold the pointers of fdir rule elements, it needs to
be set to NULL when clear all fdir rules.

Fixes: fcba820 ("net/hns3: support flow director")

Signed-off-by: Chengwen Feng <fengchengwen@huawei.com>
Signed-off-by: Min Hu (Connor) <humin29@huawei.com>

drivers/net/hns3/hns3_fdir.c

@@ -1012,6 +1012,10 @@ int hns3_clear_all_fdir_filter(struct hns3_adapter *hns)
 	rte_hash_reset(fdir_info->hash_handle);
 	rte_spinlock_unlock(&fdir_info->flows_lock);
 
+	memset(fdir_info->hash_map, 0,
+	       sizeof(struct hns3_fdir_rule_ele *) *
+	       fdir_info->fd_cfg.rule_num[HNS3_FD_STAGE_1]);
+
 	fdir_filter = TAILQ_FIRST(&fdir_info->fdir_list);
 	while (fdir_filter) {
 		TAILQ_REMOVE(&fdir_info->fdir_list, fdir_filter, entries);