[PATCH 4/8] net/nfp: fix check return value

[Chaoyong He]

CI found in 'nfp_service_disable()', not check the return value of API
'rte_service_map_lcore_set()'.

Coverity issue: 414939
Fixes: 600f6d2c7704 ("net/nfp: add service module")
Cc: long...@corigine.com
Cc: sta...@dpdk.org

Signed-off-by: Chaoyong He <chaoyong...@corigine.com>
Reviewed-by: Long Wu <long...@corigine.com>
Reviewed-by: Peng Zhang <peng.zh...@corigine.com>
---
 drivers/net/nfp/nfp_service.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/drivers/net/nfp/nfp_service.c b/drivers/net/nfp/nfp_service.c
index f49fa6addf..24d60857ac 100644
--- a/drivers/net/nfp/nfp_service.c
+++ b/drivers/net/nfp/nfp_service.c
@@ -90,6 +90,7 @@ nfp_service_enable(const struct rte_service_spec 
*service_spec,
 int
 nfp_service_disable(struct nfp_service_info *info)
 {
+       int ret;
        uint32_t i;
        const char *service_name;
 
@@ -107,10 +108,16 @@ nfp_service_disable(struct nfp_service_info *info)
                        break;
                rte_delay_ms(1);
        }
+
        if (i == NFP_SERVICE_DISABLE_WAIT_COUNT)
                PMD_DRV_LOG(ERR, "Could not stop service %s", service_name);
 
-       rte_service_map_lcore_set(info->id, info->lcore, 0);
+       ret = rte_service_map_lcore_set(info->id, info->lcore, 0);
+       if (ret != 0) {
+               PMD_DRV_LOG(DEBUG, "Could not unmap flower service");
+               return -ENOENT;
+       }
+
        rte_service_component_unregister(info->id);
 
        return 0;
-- 
2.39.1