[PATCH 1/2] net/bonding: add error hint for invald args

[Wan Junjie]

When invalid args exsit, application exits with no error hint.
Adding a log message here will help users to know the reson.

Signed-off-by: Wan Junjie <wanjun...@bytedance.com>
---
 drivers/net/bonding/rte_eth_bond_pmd.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/bonding/rte_eth_bond_pmd.c 
b/drivers/net/bonding/rte_eth_bond_pmd.c
index bfa931098e..aa6519f83c 100644
--- a/drivers/net/bonding/rte_eth_bond_pmd.c
+++ b/drivers/net/bonding/rte_eth_bond_pmd.c
@@ -3439,8 +3439,10 @@ bond_probe(struct rte_vdev_device *dev)
 
        kvlist = rte_kvargs_parse(rte_vdev_device_args(dev),
                pmd_bond_init_valid_arguments);
-       if (kvlist == NULL)
+       if (kvlist == NULL) {
+               RTE_BOND_LOG(ERR, "Invalid args in %s", 
rte_vdev_device_args(dev));
                return -1;
+       }
 
        /* Parse link bonding mode */
        if (rte_kvargs_count(kvlist, PMD_BOND_MODE_KVARG) == 1) {
-- 
2.33.0