diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
index 6cf04a366f99..b3bc82e419b6 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
@@ -1390,15 +1390,9 @@ const u32 *mlx5_esw_query_functions(struct mlx5_core_dev *dev)
 {
 	int outlen = MLX5_ST_SZ_BYTES(query_esw_functions_out);
 	u32 in[MLX5_ST_SZ_DW(query_esw_functions_in)] = {};
-	u16 max_sf_vports;
 	u32 *out;
 	int err;
 
-	max_sf_vports = mlx5_sf_max_functions(dev);
-	/* Device interface is array of 64-bits */
-	if (max_sf_vports)
-		outlen += DIV_ROUND_UP(max_sf_vports, BITS_PER_TYPE(__be64)) * sizeof(__be64);
-
 	out = kvzalloc(outlen, GFP_KERNEL);
 	if (!out)
 		return ERR_PTR(-ENOMEM);