From bbbb064efb43572928c57277fb540bbbdf129d4c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jos=C3=A9=20Valim?= <jose.valim@dashbit.co>
Date: Tue, 24 Oct 2023 14:38:40 +0200
Subject: [PATCH] Add guards to media_type

Closes #1180.
---
 lib/plug/conn/utils.ex | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/plug/conn/utils.ex b/lib/plug/conn/utils.ex
index 7c75477d..5bb7e20a 100644
--- a/lib/plug/conn/utils.ex
+++ b/lib/plug/conn/utils.ex
@@ -52,7 +52,7 @@ defmodule Plug.Conn.Utils do
 
   """
   @spec media_type(binary) :: {:ok, type :: binary, subtype :: binary, params} | :error
-  def media_type(binary) do
+  def media_type(binary) when is_binary(binary) do
     case strip_spaces(binary) do
       "*/*" <> t -> mt_params(t, "*", "*")
       t -> mt_first(t, "")