net/mlx5: fix device arguments error detection

[dpdk.git] / drivers / net / mlx5 / mlx5.c

diff --git a/drivers/net/mlx5/mlx5.c b/drivers/net/mlx5/mlx5.c
index 3a269bc259972dac9320492a64dab490eb1f8db5..06a8c6765e7c257800f75781e9cf6c10ce8054da 100644 (file)
--- a/drivers/net/mlx5/mlx5.c
+++ b/drivers/net/mlx5/mlx5.c
@@ -987,8 +987,10 @@ mlx5_args(struct mlx5_dev_config *config, struct rte_devargs *devargs)
                return 0;
        /* Following UGLY cast is done to pass checkpatch. */
        kvlist = rte_kvargs_parse(devargs->args, params);
-       if (kvlist == NULL)
-               return 0;
+       if (kvlist == NULL) {
+               rte_errno = EINVAL;
+               return -rte_errno;
+       }
        /* Process parameters. */
        for (i = 0; (params[i] != NULL); ++i) {
                if (rte_kvargs_count(kvlist, params[i])) {