diff --git a/drivers/net/ethernet/netronome/nfp/flower/conntrack.c b/drivers/net/ethernet/netronome/nfp/flower/conntrack.c index 273d529d43c20..128020b1573e6 100644 --- a/drivers/net/ethernet/netronome/nfp/flower/conntrack.c +++ b/drivers/net/ethernet/netronome/nfp/flower/conntrack.c @@ -1141,20 +1141,7 @@ int nfp_fl_ct_del_flow(struct nfp_fl_ct_map_entry *ct_map_ent) nfp_fl_ct_clean_flow_entry(ct_entry); kfree(ct_map_ent); - /* If this is the last pre_ct_rule it means that it is - * very likely that the nft table will be cleaned up next, - * as this happens on the removal of the last act_ct flow. - * However we cannot deregister the callback on the removal - * of the last nft flow as this runs into a deadlock situation. - * So deregister the callback on removal of the last pre_ct flow - * and remove any remaining nft flow entries. We also cannot - * save this state and delete the callback later since the - * nft table would already have been freed at that time. - */ if (!zt->pre_ct_count) { - nf_flow_table_offload_del_cb(zt->nft, - nfp_fl_ct_handle_nft_flow, - zt); zt->nft = NULL; nfp_fl_ct_clean_nft_entries(zt); } diff --git a/net/sched/act_ct.c b/net/sched/act_ct.c index a62f404d0e165..1b4b3514c94f2 100644 --- a/net/sched/act_ct.c +++ b/net/sched/act_ct.c @@ -322,11 +322,22 @@ static int tcf_ct_flow_table_get(struct tcf_ct_params *params) static void tcf_ct_flow_table_cleanup_work(struct work_struct *work) { + struct flow_block_cb *block_cb, *tmp_cb; struct tcf_ct_flow_table *ct_ft; + struct flow_block *block; ct_ft = container_of(to_rcu_work(work), struct tcf_ct_flow_table, rwork); nf_flow_table_free(&ct_ft->nf_ft); + + /* Remove any remaining callbacks before cleanup */ + block = &ct_ft->nf_ft.flow_block; + down_write(&ct_ft->nf_ft.flow_block_lock); + list_for_each_entry_safe(block_cb, tmp_cb, &block->cb_list, list) { + list_del(&block_cb->list); + flow_block_cb_free(block_cb); + } + up_write(&ct_ft->nf_ft.flow_block_lock); kfree(ct_ft); module_put(THIS_MODULE);