[PATCH v2 08/10] net/nfp: fix problem caused by FEC set

[Chaoyong He <chaoyong.he@corigine.com>]

The return value of 'nfp_eth_set_fec()' is three ways, the original
logic considered it as two ways wrongly.

Fixes: 37bd1b843a20 ("net/nfp: support setting FEC mode")
Cc: zerun.fu@corigine.com
Cc: stable@dpdk.org

Signed-off-by: Chaoyong He <chaoyong.he@corigine.com>
Reviewed-by: Long Wu <long.wu@corigine.com>
Reviewed-by: Peng Zhang <peng.zhang@corigine.com>
Acked-by: Stephen Hemminger <stephen@networkplumber.org>
---
 drivers/net/nfp/nfp_net_common.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/drivers/net/nfp/nfp_net_common.c b/drivers/net/nfp/nfp_net_common.c
index 5c3a9a7ae7..b986ed4622 100644
--- a/drivers/net/nfp/nfp_net_common.c
+++ b/drivers/net/nfp/nfp_net_common.c
@@ -2692,6 +2692,7 @@ int
 nfp_net_fec_set(struct rte_eth_dev *dev,
 		uint32_t fec_capa)
 {
+	int ret;
 	uint8_t idx;
 	enum nfp_eth_fec fec;
 	uint32_t supported_fec;
@@ -2724,7 +2725,13 @@ nfp_net_fec_set(struct rte_eth_dev *dev,
 		return -EIO;
 	}
 
-	return nfp_eth_set_fec(hw_priv->pf_dev->cpp, eth_port->index, fec);
+	ret = nfp_eth_set_fec(hw_priv->pf_dev->cpp, eth_port->index, fec);
+	if (ret < 0) {
+		PMD_DRV_LOG(ERR, "NFP set FEC mode failed.");
+		return ret;
+	}
+
+	return 0;
 }
 
 uint32_t
-- 
2.39.1