From ff8575e233aef3327307ccdd9fc0b9abec71c006 Mon Sep 17 00:00:00 2001
From: zhaozhenlong <zhaozhenlong1@huawei.com>
Date: Thu, 19 Nov 2020 19:50:42 +0800
Subject: [PATCH] fix code review

---
 mindspore/lite/nnacl/split_parameter.h                   | 4 ++--
 .../lite/src/runtime/kernel/arm/base/pooling_base.cc     | 5 +++++
 mindspore/lite/src/runtime/kernel/arm/base/prior_box.cc  | 3 +++
 .../lite/src/runtime/kernel/arm/base/quant_dtype_cast.cc | 9 ++++++++-
 mindspore/lite/src/runtime/kernel/arm/base/split_base.cc | 6 ++++++
 .../runtime/kernel/arm/fp16/arithmetic_compare_fp16.cc   | 6 ++++--
 .../lite/src/runtime/kernel/arm/fp16/arithmetic_fp16.cc  | 6 ++++--
 .../lite/src/runtime/kernel/arm/fp16/concat_fp16.cc      | 2 +-
 .../kernel/arm/fp16/convolution_depthwise_fp16.cc        | 3 ++-
 .../arm/fp16/convolution_depthwise_slidewindow_fp16.cc   | 4 ++--
 .../kernel/arm/fp16/deconvolution_winograd_fp16.cc       | 1 +
 .../src/runtime/kernel/arm/fp16/fullconnection_fp16.cc   | 4 ++++
 .../src/runtime/kernel/arm/fp16/fused_batchnorm_fp16.cc  | 5 ++++-
 .../runtime/kernel/arm/fp16/group_convolution_fp16.cc    | 6 ++++++
 .../lite/src/runtime/kernel/arm/fp16/matmul_fp16.cc      | 1 +
 .../src/runtime/kernel/arm/fp16/quant_dtype_cast_fp16.cc | 2 ++
 .../lite/src/runtime/kernel/arm/fp16/reduce_fp16.cc      | 2 +-
 17 files changed, 56 insertions(+), 13 deletions(-)

diff --git a/mindspore/lite/nnacl/split_parameter.h b/mindspore/lite/nnacl/split_parameter.h
index 469f498f3a..8c8425f167 100644
--- a/mindspore/lite/nnacl/split_parameter.h
+++ b/mindspore/lite/nnacl/split_parameter.h
@@ -19,13 +19,13 @@
 
 #include "nnacl/op_base.h"
 #include "nnacl/quantization/quantize.h"
-
+#define SPLIT_STRIDES_SIZE 32
 typedef struct SplitParameter {
   OpParameter op_parameter_;
   SplitQuantArg quant_arg_;
   int num_split_;
   int *split_sizes_;
-  int strides_[32];
+  int strides_[SPLIT_STRIDES_SIZE];
   int split_dim_;
   int n_dims_;
   int split_count_;
diff --git a/mindspore/lite/src/runtime/kernel/arm/base/pooling_base.cc b/mindspore/lite/src/runtime/kernel/arm/base/pooling_base.cc
index 4be43df6fb..a614446aaf 100644
--- a/mindspore/lite/src/runtime/kernel/arm/base/pooling_base.cc
+++ b/mindspore/lite/src/runtime/kernel/arm/base/pooling_base.cc
@@ -38,11 +38,16 @@ int PoolingBaseCPUKernel::SetQuantParam() {
   pooling_quant_arg_[0] = reinterpret_cast<QuantArg *>(malloc(sizeof(QuantArg)));
   if (pooling_quant_arg_[0] == nullptr) {
     MS_LOG(ERROR) << "malloc pooling_quant_arg[0] failed.";
+    free(pooling_quant_arg_);
+    pooling_quant_arg_ = nullptr;
     return RET_MEMORY_FAILED;
   }
   pooling_quant_arg_[1] = reinterpret_cast<QuantArg *>(malloc(sizeof(QuantArg)));
   if (pooling_quant_arg_[1] == nullptr) {
     MS_LOG(ERROR) << "malloc pooling_quant_arg[1] failed.";
+    free(*pooling_quant_arg_);
+    free(pooling_quant_arg_);
+    pooling_quant_arg_ = nullptr;
     return RET_MEMORY_FAILED;
   }
   auto *input_tensor = in_tensors_.at(kInputIndex);
diff --git a/mindspore/lite/src/runtime/kernel/arm/base/prior_box.cc b/mindspore/lite/src/runtime/kernel/arm/base/prior_box.cc
index e7a10d877a..0a759c8a08 100644
--- a/mindspore/lite/src/runtime/kernel/arm/base/prior_box.cc
+++ b/mindspore/lite/src/runtime/kernel/arm/base/prior_box.cc
@@ -79,11 +79,14 @@ int PriorBoxCPUKernel::GeneratePriorBox() {
     if (!exist) {
       different_aspect_ratios.emplace_back(ratio);
       if (prior_box_param_->flip) {
+        MS_ASSERT(fabs(ratio) > 1e-5);
         different_aspect_ratios.emplace_back(1.0f / ratio);
       }
     }
   }
 
+  MS_ASSERT(fmap_w);
+  MS_ASSERT(fmap_h);
   for (int i = 0; i < fmap_h; i++) {
     float cy = i + prior_box_param_->offset;
     for (int j = 0; j < fmap_w; j++) {
diff --git a/mindspore/lite/src/runtime/kernel/arm/base/quant_dtype_cast.cc b/mindspore/lite/src/runtime/kernel/arm/base/quant_dtype_cast.cc
index bbfd9f9409..454c48b207 100644
--- a/mindspore/lite/src/runtime/kernel/arm/base/quant_dtype_cast.cc
+++ b/mindspore/lite/src/runtime/kernel/arm/base/quant_dtype_cast.cc
@@ -39,8 +39,11 @@ int QuantDTypeCastCPUKernel::Init() {
     return RET_PARAM_INVALID;
   }
   auto in_tensor = in_tensors_.front();
+  MS_ASSERT(in_tensor);
   auto out_tensor = out_tensors_.front();
+  MS_ASSERT(out_tensor);
   auto param = reinterpret_cast<QuantDTypeCastParameter *>(op_parameter_);
+  MS_ASSERT(param);
   if (param->srcT == kNumberTypeFloat32 && param->dstT == kNumberTypeInt8) {
     if (in_tensor->data_type() != kNumberTypeFloat32 || out_tensor->data_type() != kNumberTypeInt8) {
       MS_LOG(ERROR) << "param data type and tensor data type do not match.";
@@ -177,7 +180,11 @@ int QuantDTypeCastCPUKernel::Run() {
              out_tensors_[0]->data_type() == TypeId::kNumberTypeInt8) {
     int8_ptr_ = reinterpret_cast<int8_t *>(in_tensors_[0]->data_c());
     int8_out_ptr_ = reinterpret_cast<int8_t *>(out_tensors_[0]->data_c());
-    float32_ptr_ = new float[in_tensors_[0]->ElementsNum()];
+    float32_ptr_ = new (std::nothrow) float[in_tensors_[0]->ElementsNum()];
+    if (float32_ptr_ == nullptr) {
+      MS_LOG(ERROR) << "new float[] failed";
+      return RET_ERROR;
+    }
   } else if (in_tensors_[0]->data_type() == TypeId::kNumberTypeUInt8 &&
              out_tensors_[0]->data_type() == TypeId::kNumberTypeFloat32) {
     uint8_ptr_ = reinterpret_cast<uint8_t *>(in_tensors_[0]->data_c());
diff --git a/mindspore/lite/src/runtime/kernel/arm/base/split_base.cc b/mindspore/lite/src/runtime/kernel/arm/base/split_base.cc
index be47457ed3..67f774c045 100644
--- a/mindspore/lite/src/runtime/kernel/arm/base/split_base.cc
+++ b/mindspore/lite/src/runtime/kernel/arm/base/split_base.cc
@@ -37,16 +37,20 @@ int SplitBaseCPUKernel::ReSize() {
   auto in_tensor = in_tensors_.front();
   auto input_shape = in_tensor->shape();
 
+  MS_ASSERT(param);
+  MS_ASSERT(input_shape.size() >= 2 && input_shape.size() <= SPLIT_STRIDES_SIZE);
   param->strides_[input_shape.size() - 1] = 1;
   for (int i = input_shape.size() - 2; i >= 0; i--) {
     param->strides_[i] = param->strides_[i + 1] * input_shape[i + 1];
   }
 
+  MS_ASSERT(static_cast<size_t>(param->split_dim_) < input_shape.size());
   param->split_count_ =
     param->strides_[0] * input_shape[0] / (input_shape[param->split_dim_] * param->strides_[param->split_dim_]);
   param->n_dims_ = input_shape.size();
 
   if (param->split_sizes_[0] == 0) {
+    MS_ASSERT(param->num_split_ > 0 && static_cast<int>(param->num_split_) < input_shape.size());
     if (input_shape[param->split_dim_] % param->num_split_ != 0) {
       MS_LOG(ERROR) << "Default split size is not usable.";
       return RET_ERROR;
@@ -57,6 +61,7 @@ int SplitBaseCPUKernel::ReSize() {
     }
   }
 
+  MS_ASSERT(param->num_split_ >= 1 && param->num_split_ <= SPLIT_STRIDES_SIZE);
   if (param->split_sizes_[param->num_split_ - 1] == -1) {
     int split_shape_end = input_shape[param->split_dim_];
     for (int i = 0; i < param->num_split_ - 1; i++) {
@@ -67,6 +72,7 @@ int SplitBaseCPUKernel::ReSize() {
 
   num_unit_ = param->split_count_ * param->num_split_;
   thread_n_num_ = MSMIN(thread_count_, num_unit_);
+  MS_ASSERT(thread_n_num_);
   thread_n_stride_ = UP_DIV(num_unit_, thread_n_num_);
   return RET_OK;
 }
diff --git a/mindspore/lite/src/runtime/kernel/arm/fp16/arithmetic_compare_fp16.cc b/mindspore/lite/src/runtime/kernel/arm/fp16/arithmetic_compare_fp16.cc
index 820876f1bb..26ec7f7a97 100644
--- a/mindspore/lite/src/runtime/kernel/arm/fp16/arithmetic_compare_fp16.cc
+++ b/mindspore/lite/src/runtime/kernel/arm/fp16/arithmetic_compare_fp16.cc
@@ -45,7 +45,8 @@ ARITHMETIC_COMPARE_FUNC_INFO_FP16 arithmetic_cp_fun_table_fp16[] = {
    ElementOptGreaterEqualFp16}};
 
 ArithmeticCompareFuncFp16 GetArithmeticCompareFun(int primitive_type, int activation_type) {
-  for (size_t i = 0; i < sizeof(arithmetic_cp_fun_table_fp16); i++) {
+  size_t length = sizeof(arithmetic_cp_fun_table_fp16) / sizeof(ARITHMETIC_COMPARE_FUNC_INFO_FP16);
+  for (size_t i = 0; i < length; i++) {
     if (arithmetic_cp_fun_table_fp16[i].primitive_type_ == primitive_type &&
         arithmetic_cp_fun_table_fp16[i].activation_type_ == activation_type) {
       return arithmetic_cp_fun_table_fp16[i].func_;
@@ -55,7 +56,8 @@ ArithmeticCompareFuncFp16 GetArithmeticCompareFun(int primitive_type, int activa
 }
 
 ArithmeticCompareOptFuncFp16 GetOptimizedArithmeticCompareFun(int primitive_type, int activation_type) {
-  for (size_t i = 0; i < sizeof(arithmetic_cp_fun_table_fp16); i++) {
+  size_t length = sizeof(arithmetic_cp_fun_table_fp16) / sizeof(ARITHMETIC_COMPARE_FUNC_INFO_FP16);
+  for (size_t i = 0; i < length; i++) {
     if (arithmetic_cp_fun_table_fp16[i].primitive_type_ == primitive_type &&
         arithmetic_cp_fun_table_fp16[i].activation_type_ == activation_type) {
       return arithmetic_cp_fun_table_fp16[i].opt_func_;
diff --git a/mindspore/lite/src/runtime/kernel/arm/fp16/arithmetic_fp16.cc b/mindspore/lite/src/runtime/kernel/arm/fp16/arithmetic_fp16.cc
index 4a07ce9515..d28facc4b3 100644
--- a/mindspore/lite/src/runtime/kernel/arm/fp16/arithmetic_fp16.cc
+++ b/mindspore/lite/src/runtime/kernel/arm/fp16/arithmetic_fp16.cc
@@ -72,7 +72,8 @@ ARITHMETIC_FUNC_INFO_FP16 arithmetic_fun_table_fp16[] = {
   {PrimitiveType_Minimum, schema::ActivationType_NO_ACTIVATION, ElementMinimumFp16, ElementOptMinimumFp16}};
 
 ArithmeticFuncFp16 GetArithmeticFun(int primitive_type, int activation_type) {
-  for (size_t i = 0; i < sizeof(arithmetic_fun_table_fp16); i++) {
+  size_t length = sizeof(arithmetic_fun_table_fp16) / sizeof(ARITHMETIC_FUNC_INFO_FP16);
+  for (size_t i = 0; i < length; i++) {
     if (arithmetic_fun_table_fp16[i].primitive_type_ == primitive_type &&
         arithmetic_fun_table_fp16[i].activation_type_ == activation_type) {
       return arithmetic_fun_table_fp16[i].func_;
@@ -82,7 +83,8 @@ ArithmeticFuncFp16 GetArithmeticFun(int primitive_type, int activation_type) {
 }
 
 ArithmeticOptFuncFp16 GetOptimizedArithmeticFun(int primitive_type, int activation_type) {
-  for (size_t i = 0; i < sizeof(arithmetic_fun_table_fp16); i++) {
+  size_t length = sizeof(arithmetic_fun_table_fp16) / sizeof(ARITHMETIC_FUNC_INFO_FP16);
+  for (size_t i = 0; i < length; i++) {
     if (arithmetic_fun_table_fp16[i].primitive_type_ == primitive_type &&
         arithmetic_fun_table_fp16[i].activation_type_ == activation_type) {
       return arithmetic_fun_table_fp16[i].opt_func_;
diff --git a/mindspore/lite/src/runtime/kernel/arm/fp16/concat_fp16.cc b/mindspore/lite/src/runtime/kernel/arm/fp16/concat_fp16.cc
index bd3a63ad7e..95801be836 100644
--- a/mindspore/lite/src/runtime/kernel/arm/fp16/concat_fp16.cc
+++ b/mindspore/lite/src/runtime/kernel/arm/fp16/concat_fp16.cc
@@ -71,7 +71,7 @@ int ConcatFp16CPUKernel::MallocTmpBuffer() {
 void ConcatFp16CPUKernel::FreeTmpBuffer() {
   for (size_t i = 0; i < fp16_inputs_.size(); i++) {
     auto &in_tensor = in_tensors_.at(i);
-    auto in_ptr = fp16_inputs_.at(i);
+    auto &in_ptr = fp16_inputs_.at(i);
     if (in_tensor->data_type() == kNumberTypeFloat32 || in_tensor->data_type() == kNumberTypeFloat) {
       if (in_ptr != nullptr) {
         context_->allocator->Free(in_ptr);
diff --git a/mindspore/lite/src/runtime/kernel/arm/fp16/convolution_depthwise_fp16.cc b/mindspore/lite/src/runtime/kernel/arm/fp16/convolution_depthwise_fp16.cc
index b0f318769a..15efd883a5 100644
--- a/mindspore/lite/src/runtime/kernel/arm/fp16/convolution_depthwise_fp16.cc
+++ b/mindspore/lite/src/runtime/kernel/arm/fp16/convolution_depthwise_fp16.cc
@@ -33,7 +33,7 @@ using mindspore::schema::PrimitiveType_DepthwiseConv2D;
 namespace mindspore::kernel {
 ConvolutionDepthwiseFp16CPUKernel::~ConvolutionDepthwiseFp16CPUKernel() {
   if (packed_weight_ != nullptr) {
-    delete packed_weight_;
+    free(packed_weight_);
     packed_weight_ = nullptr;
   }
 }
@@ -68,6 +68,7 @@ int ConvolutionDepthwiseFp16CPUKernel::InitWeightBias() {
   if (in_tensors_.size() == kInputSize2) {
     auto bias_tensor = in_tensors_.at(kBiasIndex);
     auto ori_bias = reinterpret_cast<float *>(bias_tensor->MutableData());
+    MS_ASSERT(ori_bias);
     for (int i = 0; i < bias_tensor->ElementsNum(); i++) {
       bias_fp16[i] = (float16_t)ori_bias[i];
     }
diff --git a/mindspore/lite/src/runtime/kernel/arm/fp16/convolution_depthwise_slidewindow_fp16.cc b/mindspore/lite/src/runtime/kernel/arm/fp16/convolution_depthwise_slidewindow_fp16.cc
index fa66868a98..3844464cd9 100644
--- a/mindspore/lite/src/runtime/kernel/arm/fp16/convolution_depthwise_slidewindow_fp16.cc
+++ b/mindspore/lite/src/runtime/kernel/arm/fp16/convolution_depthwise_slidewindow_fp16.cc
@@ -55,6 +55,7 @@ int ConvolutionDepthwiseSWFp16CPUKernel::InitBuffer() {
     packed_output_ = reinterpret_cast<float16_t *>(context_->allocator->Malloc(pack_output_size * sizeof(float16_t)));
     if (packed_output_ == nullptr) {
       MS_LOG(ERROR) << "Malloc buffer failed.";
+      context_->allocator->Free(packed_input_);
       return RET_ERROR;
     }
   }
@@ -86,6 +87,7 @@ int ConvolutionDepthwiseSWFp16CPUKernel::InitWeightBias() {
   if (in_tensors_.size() == kInputSize2) {
     auto bias_tensor = in_tensors_.at(kBiasIndex);
     auto ori_bias = reinterpret_cast<float *>(bias_tensor->MutableData());
+    MS_ASSERT(ori_bias);
     for (int i = 0; i < bias_tensor->ElementsNum(); i++) {
       bias_fp16[i] = (float16_t)ori_bias[i];
     }
@@ -161,8 +163,6 @@ int ConvolutionDepthwiseSWFp16CPUKernel::Run() {
                         conv_param_->input_h_ * conv_param_->input_w_, conv_param_->input_channel_);
   } else {
     packed_input_ = execute_input_;
-  }
-  if (!need_align_) {
     packed_output_ = execute_output_;
   }
 
diff --git a/mindspore/lite/src/runtime/kernel/arm/fp16/deconvolution_winograd_fp16.cc b/mindspore/lite/src/runtime/kernel/arm/fp16/deconvolution_winograd_fp16.cc
index 213444b439..0de1a1bf29 100644
--- a/mindspore/lite/src/runtime/kernel/arm/fp16/deconvolution_winograd_fp16.cc
+++ b/mindspore/lite/src/runtime/kernel/arm/fp16/deconvolution_winograd_fp16.cc
@@ -342,6 +342,7 @@ int DeConvWinogradFp16CPUKernel::InitDataParam() {
   auto fp16_bias_data = reinterpret_cast<float16_t *>(bias_data_);
   if (in_tensors_.size() == kInputSize2) {
     auto src_bias = reinterpret_cast<float *>(in_tensors_.at(kBiasIndex)->MutableData());
+    MS_ASSERT(src_bias);
     for (int i = 0; i < conv_param_->output_channel_; ++i) {
       fp16_bias_data[i] = (float16_t)src_bias[i];
     }
diff --git a/mindspore/lite/src/runtime/kernel/arm/fp16/fullconnection_fp16.cc b/mindspore/lite/src/runtime/kernel/arm/fp16/fullconnection_fp16.cc
index 9dfae0ffae..e91af0ada3 100644
--- a/mindspore/lite/src/runtime/kernel/arm/fp16/fullconnection_fp16.cc
+++ b/mindspore/lite/src/runtime/kernel/arm/fp16/fullconnection_fp16.cc
@@ -122,6 +122,10 @@ int FullconnectionFP16CPUKernel::ReSize() {
   if (out_tensors_[0]->data_type() == kNumberTypeFloat32) {
     output_fp16_ =
       reinterpret_cast<float16_t *>(ctx_->allocator->Malloc(fc_param_->row_ * fc_param_->col_ * sizeof(float16_t)));
+    if (output_fp16_ == nullptr) {
+      FreeTmpBuffer();
+      return RET_MEMORY_FAILED;
+    }
   }
   return RET_OK;
 }  // namespace mindspore::kernel
diff --git a/mindspore/lite/src/runtime/kernel/arm/fp16/fused_batchnorm_fp16.cc b/mindspore/lite/src/runtime/kernel/arm/fp16/fused_batchnorm_fp16.cc
index 8169b0854b..1aae6270e1 100644
--- a/mindspore/lite/src/runtime/kernel/arm/fp16/fused_batchnorm_fp16.cc
+++ b/mindspore/lite/src/runtime/kernel/arm/fp16/fused_batchnorm_fp16.cc
@@ -27,8 +27,10 @@ using mindspore::schema::PrimitiveType_FusedBatchNorm;
 namespace mindspore::kernel {
 int FusedBatchnormFp16CPUKernel::DoExecute(int task_id) {
   auto param = reinterpret_cast<BatchNormParameter *>(op_parameter_);
-
+  MS_ASSERT(param);
   if (in_tensors_.at(0)->data_type() == kNumberTypeFloat32) {
+    MS_ASSERT(in_tensors_.size() == 5);
+    MS_ASSERT(out_tensors_.size() == 1);
     auto input = in_tensors_.at(0);
     auto scale = in_tensors_.at(1);
     auto offset = in_tensors_.at(2);
@@ -50,6 +52,7 @@ int FusedBatchnormFp16CPUKernel::DoExecute(int task_id) {
       context_->allocator->Free(mean_fp16);
       context_->allocator->Free(variance_fp16);
       context_->allocator->Free(output_fp16);
+      return RET_ERROR;
     }
     Float32ToFloat16(reinterpret_cast<float *>(input->MutableData()), reinterpret_cast<float16_t *>(input_fp16),
                      input->ElementsNum());
diff --git a/mindspore/lite/src/runtime/kernel/arm/fp16/group_convolution_fp16.cc b/mindspore/lite/src/runtime/kernel/arm/fp16/group_convolution_fp16.cc
index 8db10a93ef..0cecba2449 100644
--- a/mindspore/lite/src/runtime/kernel/arm/fp16/group_convolution_fp16.cc
+++ b/mindspore/lite/src/runtime/kernel/arm/fp16/group_convolution_fp16.cc
@@ -155,6 +155,8 @@ int GroupConvolutionFP16CPUKernel::SeparateInput(int group_id) {
   if (in_tensors_.front()->data_type() == kNumberTypeFloat16) {
     float16_t *src_ptr = reinterpret_cast<float16_t *>(ori_in_data_) + group_id * sub_in_channel;
     float16_t *dst_ptr = reinterpret_cast<float16_t *>(sub_in_data);
+    MS_ASSERT(src_ptr);
+    MS_ASSERT(dst_ptr);
     for (int i = 0; i < in_plane; ++i) {
       memcpy(dst_ptr, src_ptr, sub_in_channel * sizeof(float16_t));
       src_ptr += ori_in_channel;
@@ -163,6 +165,8 @@ int GroupConvolutionFP16CPUKernel::SeparateInput(int group_id) {
   } else {
     float *src_ptr = reinterpret_cast<float *>(ori_in_data_) + group_id * sub_in_channel;
     float *dst_ptr = reinterpret_cast<float *>(sub_in_data);
+    MS_ASSERT(src_ptr);
+    MS_ASSERT(dst_ptr);
     for (int i = 0; i < in_plane; ++i) {
       memcpy(dst_ptr, src_ptr, sub_in_channel * sizeof(float));
       src_ptr += ori_in_channel;
@@ -180,6 +184,7 @@ void GroupConvolutionFP16CPUKernel::PostConcat(int group_id) {
   int sub_out_channel = conv_param_->output_channel_;
   int ori_out_channel = sub_out_channel * group_num_;
   auto sub_out_data = reinterpret_cast<float16_t *>(group_convs_[group_id]->out_tensors().front()->data_c());
+  MS_ASSERT(sub_out_data);
   float16_t *src_ptr = sub_out_data;
   float16_t *dst_ptr = ori_out_data_ + group_id * sub_out_channel;
   for (int i = 0; i < out_plane; ++i) {
@@ -192,6 +197,7 @@ void GroupConvolutionFP16CPUKernel::PostConcat(int group_id) {
 int GroupConvolutionFP16CPUKernel::Run() {
   ori_in_data_ = in_tensors().front()->data_c();
   ori_out_data_ = reinterpret_cast<float16_t *>(out_tensors().front()->data_c());
+  MS_ASSERT(ori_out_data_);
   for (int i = 0; i < group_num_; ++i) {
     // first, separate group conv input into several parts. This step must be in runtime stage.
     auto ret = SeparateInput(i);
diff --git a/mindspore/lite/src/runtime/kernel/arm/fp16/matmul_fp16.cc b/mindspore/lite/src/runtime/kernel/arm/fp16/matmul_fp16.cc
index 3de4d792f9..6610dfc3fa 100644
--- a/mindspore/lite/src/runtime/kernel/arm/fp16/matmul_fp16.cc
+++ b/mindspore/lite/src/runtime/kernel/arm/fp16/matmul_fp16.cc
@@ -339,6 +339,7 @@ kernel::LiteKernel *CpuMatmulFp16KernelCreator(const std::vector<lite::Tensor *>
     auto *dequant_weight = kernel::DequantUtil::DequantWeight(weight_tensor);
     if (dequant_weight == nullptr) {
       MS_LOG(ERROR) << "dequant data is nullptr.";
+      free(opParameter);
       return nullptr;
     }
     weight_tensor->set_data_type(kNumberTypeFloat32);
diff --git a/mindspore/lite/src/runtime/kernel/arm/fp16/quant_dtype_cast_fp16.cc b/mindspore/lite/src/runtime/kernel/arm/fp16/quant_dtype_cast_fp16.cc
index 0879b04edf..528d2812f2 100644
--- a/mindspore/lite/src/runtime/kernel/arm/fp16/quant_dtype_cast_fp16.cc
+++ b/mindspore/lite/src/runtime/kernel/arm/fp16/quant_dtype_cast_fp16.cc
@@ -87,6 +87,8 @@ int QuantDTypeCastFp16CPUKernel::QuantDTypeCast(int task_id) {
   auto quant_arg = !out_tensors_.front()->GetQuantParams().empty() ? out_tensors_.front()->GetQuantParams().front()
                                                                    : in_tensors_.front()->GetQuantParams().front();
   int ret;
+  MS_ASSERT(int8_ptr_);
+  MS_ASSERT(float16_ptr_);
   if (inverse_) {
     ret = DoDequantizeInt8ToFp16(int8_ptr_ + thread_offset, float16_ptr_ + thread_offset, quant_arg.scale,
                                  quant_arg.zeroPoint, num_unit_thread);
diff --git a/mindspore/lite/src/runtime/kernel/arm/fp16/reduce_fp16.cc b/mindspore/lite/src/runtime/kernel/arm/fp16/reduce_fp16.cc
index 63172c3b1a..7181952c4d 100644
--- a/mindspore/lite/src/runtime/kernel/arm/fp16/reduce_fp16.cc
+++ b/mindspore/lite/src/runtime/kernel/arm/fp16/reduce_fp16.cc
@@ -118,7 +118,7 @@ int ReduceFp16CPUKernel::Run() {
 }
 
 void ReduceFp16CPUKernel::FreeTmpBuffer() {
-  for (auto buffer : data_buffers_) {
+  for (auto &buffer : data_buffers_) {
     if (buffer != nullptr) {
       context_->allocator->Free(buffer);
       buffer = nullptr;