The error code is missing in this code scenario, add the error code
'-EINVAL' to the return value 'err'.

Eliminate the follow smatch warning:

drivers/net/ethernet/mellanox/mlx4/main.c:3538 mlx4_load_one() warn:
missing error code 'err'.

Reported-by: Abaci Robot <redacted>
Fixes: 7ae0e400cd93 ("net/mlx4_core: Flexible (asymmetric) allocation of
EQs and MSI-X vectors for PF/VFs")
Signed-off-by: Jiapeng Chong <redacted>
---
  drivers/net/ethernet/mellanox/mlx4/main.c | 1 +
  1 file changed, 1 insertion(+)

diff --git a/drivers/net/ethernet/mellanox/mlx4/main.c b/drivers/net/ethernet/mellanox/mlx4/main.c
index 00c8465..28ac469 100644
--- a/drivers/net/ethernet/mellanox/mlx4/main.c
+++ b/drivers/net/ethernet/mellanox/mlx4/main.c

@@ -3535,6 +3535,7 @@ static int mlx4_load_one(struct pci_dev *pdev, int pci_dev_data,
  
  		if (!SRIOV_VALID_STATE(dev->flags)) {
  			mlx4_err(dev, "Invalid SRIOV state\n");
+			err = -EINVAL;
  			goto err_close;
  		}
  	}