When mlx5_modify_header_alloc() fails, instead of printing the error
value returned, current error log prints 0.
Fix by printing correct error value returned by
mlx5_modify_header_alloc().
Fixes: 6724e66b90ee ("net/mlx5: E-Switch, Get reg_c1 value on miss")
Signed-off-by: Parav Pandit <parav@mellanox.com>
Reviewed-by: Roi Dayan <roid@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
                                           MLX5_FLOW_NAMESPACE_KERNEL, 1,
                                           modact);
        if (IS_ERR(mod_hdr)) {
+               err = PTR_ERR(mod_hdr);
                esw_warn(dev, "Failed to create restore mod header, err: %d\n",
                         err);
-               err = PTR_ERR(mod_hdr);
                goto err_mod_hdr;
        }