From da70e6f5bbb5d12f54aaabaeabe3bfb778026b63 Mon Sep 17 00:00:00 2001
From: Scott Xu <scott-xu@msn.com>
Date: Fri, 9 Jun 2023 16:17:43 +0800
Subject: [PATCH] Update SchemaExtensions.cs

Set schema's description only if has SwaggerDescriptionAttribute applied and the description is not null, in case overwrite the description from custom SchemaFilter or ModelFilter
---
 Swagger.Net/Swagger/Extensions/SchemaExtensions.cs | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/Swagger.Net/Swagger/Extensions/SchemaExtensions.cs b/Swagger.Net/Swagger/Extensions/SchemaExtensions.cs
index ca1dcd0..6c9ec02 100644
--- a/Swagger.Net/Swagger/Extensions/SchemaExtensions.cs
+++ b/Swagger.Net/Swagger/Extensions/SchemaExtensions.cs
@@ -89,7 +89,10 @@ public static Schema WithDescriptionProperty(this Schema schema, JsonProperty js
                 return schema;
 
             var attrib = propInfo.GetCustomAttributes(false).OfType<SwaggerDescriptionAttribute>().FirstOrDefault();
-            schema.description = attrib?.Description;
+            var description = attrib?.Description;
+            if (description != null)
+                schema.description = description;
+
             return schema;
         }