net/mlx5_core: Check the return value of mlx5_command_exec()

mlx5_cmd_exec() might fail - need to check return value.

Signed-off-by: Haggai Abramovsky <hagaya@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: Amir Vadai <amirv@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.h b/drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.h
index fc88eca..566a704 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.h
@@ -73,7 +73,12 @@ static inline int mlx5_cmd_exec_check_status(struct mlx5_core_dev *dev, u32 *in,
                                             int in_size, u32 *out,
                                             int out_size)
 {
-       mlx5_cmd_exec(dev, in, in_size, out, out_size);
+       int err;
+
+       err = mlx5_cmd_exec(dev, in, in_size, out, out_size);
+       if (err)
+               return err;
+
        return mlx5_cmd_status_to_err((struct mlx5_outbox_hdr *)out);
 }