netdev - [PATCH net-next] nfp: flower-ct: check for error in nfp_fl_ct_offload_nft

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Message-ID: <YM321r7Enw8sGj0X@mwanda>
Date:   Sat, 19 Jun 2021 16:53:26 +0300
From:   Dan Carpenter <dan.carpenter@...cle.com>
To:     Simon Horman <simon.horman@...igine.com>,
        Louis Peens <louis.peens@...igine.com>
Cc:     Jakub Kicinski <kuba@...nel.org>,
        "David S. Miller" <davem@...emloft.net>,
        Yinjun Zhang <yinjun.zhang@...igine.com>,
        oss-drivers@...igine.com, netdev@...r.kernel.org,
        kernel-janitors@...r.kernel.org
Subject: [PATCH net-next] 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@...cle.com>
---
 drivers/net/ethernet/netronome/nfp/flower/conntrack.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/ethernet/netronome/nfp/flower/conntrack.c b/drivers/net/ethernet/netronome/nfp/flower/conntrack.c
index 9ea77bb3b69c..273d529d43c2 100644
--- 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++;
-- 
2.30.2