From 511e4d7397e552040b10c38286e12e6a10edf85b Mon Sep 17 00:00:00 2001
From: "zhaode.wzd" <zhaode.wzd@alibaba-inc.com>
Date: Mon, 4 Dec 2023 20:20:16 +0800
Subject: [PATCH] [MNN::Bugfix] Bugfix of Backend::onResizeEnd compile.

---
 source/core/Backend.hpp | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/source/core/Backend.hpp b/source/core/Backend.hpp
index 0bf115992..e2b79eefd 100644
--- a/source/core/Backend.hpp
+++ b/source/core/Backend.hpp
@@ -115,9 +115,7 @@ class Backend : public NonCopyable {
     /**
      * @brief callback after resize ops.
      */
-    virtual ErrorCode onResizeEnd() {
-        return MNN::NO_ERROR;
-    }
+    virtual ErrorCode onResizeEnd() = 0;
 
     /**
      * @brief callback before executing ops.