nfp: flower-ct: check for error in nfp_fl_ct_offload_nft_flow()

The nfp_fl_ct_add_flow() function can fail so we need to check for
failure.

Fixes: 95255017e0a8 ("nfp: flower-ct: add nft flows to nft list")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Louis Peens <louis.peens@corigine.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/netronome/nfp/flower/conntrack.c b/drivers/net/ethernet/netronome/nfp/flower/conntrack.c
index 9ea77bb..273d529 100644 (file)
--- a/drivers/net/ethernet/netronome/nfp/flower/conntrack.c
+++ b/drivers/net/ethernet/netronome/nfp/flower/conntrack.c
@@ -1067,6 +1067,8 @@ nfp_fl_ct_offload_nft_flow(struct nfp_fl_ct_zone_entry *zt, struct flow_cls_offl
                                                    nfp_ct_map_params);
                if (!ct_map_ent) {
                        ct_entry = nfp_fl_ct_add_flow(zt, NULL, flow, true, extack);
+                       if (IS_ERR(ct_entry))
+                               return PTR_ERR(ct_entry);
                        ct_entry->type = CT_TYPE_NFT;
                        list_add(&ct_entry->list_node, &zt->nft_flows_list);
                        zt->nft_flows_count++;