From 7f652661bfccd61c45b1f6db01a7c7775d1681a6 Mon Sep 17 00:00:00 2001
From: xiaying <xiaotang.jxt@alibaba-inc.com>
Date: Fri, 22 Mar 2024 15:59:00 +0800
Subject: [PATCH] Fix bug for metal run for fp16 model

---
 source/backend/metal/MetalConvolutionCommon.mm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/source/backend/metal/MetalConvolutionCommon.mm b/source/backend/metal/MetalConvolutionCommon.mm
index 42f9bd690..297c17b00 100644
--- a/source/backend/metal/MetalConvolutionCommon.mm
+++ b/source/backend/metal/MetalConvolutionCommon.mm
@@ -153,7 +153,7 @@ void weightInBlock(int group, int oc, int ic, int kh, int kw, const FType *src,
     auto ic     = size / kw / kh / (oc / group);
 
     // convert
-    if (loadWeightInt8) {
+    if (loadWeightInt8 && qnt->weight.get() != nullptr) {
         auto backend = static_cast<MetalBackend *>(this->backend());
         mWeight = weightTransform(group, oc, ic, kh, kw, (float*)qnt->weight.get(), !qnt->canUseInt4, qnt->canUseInt4);
         auto dequantParams = getDequantScale(qnt->alpha.get(), qnt->alpha.size(), backend, qnt->asymmetric);