diff --git a/paddle/fluid/framework/rw_lock.h b/paddle/fluid/framework/rw_lock.h
index 4f1d9adbfc5d534b1b8f4780c9a0ade26fb53ecc..da163835e8652ae479121bd67f2eed77332b2740 100644
--- a/paddle/fluid/framework/rw_lock.h
+++ b/paddle/fluid/framework/rw_lock.h
@@ -71,6 +71,9 @@ class RWLockGuard {
         WRLock();
         break;
       }
+      case Status::kUnLock: {
+        break;
+      }
     }
   }
 
@@ -78,6 +81,7 @@ class RWLockGuard {
     switch (status_) {
       case Status::kUnLock: {
         lock_->WRLock();
+        status_ = Status::kWRLock;
         break;
       }
       case Status::kWRLock: {
@@ -95,6 +99,7 @@ class RWLockGuard {
     switch (status_) {
       case Status::kUnLock: {
         lock_->RDLock();
+        status_ = Status::kRDLock;
         break;
       }
       case Status::kRDLock: {
@@ -111,6 +116,7 @@ class RWLockGuard {
   void UnLock() {
     if (status_ != Status::kUnLock) {
       lock_->UNLock();
+      status_ = Status::kUnLock;
     }
   }
 
diff --git a/paddle/fluid/operators/conv_transpose_cudnn_op.cu.cc b/paddle/fluid/operators/conv_transpose_cudnn_op.cu.cc
index 2376212f5091468f0b361528dfbb68e7ff76c922..73831611d01b8c5b8d2d9f7f15634a0094e4a608 100644
--- a/paddle/fluid/operators/conv_transpose_cudnn_op.cu.cc
+++ b/paddle/fluid/operators/conv_transpose_cudnn_op.cu.cc
@@ -230,7 +230,7 @@ class CUDNNConvTransposeGradOpKernel : public framework::OpKernel<T> {
       // Because beta is zero, it is unnecessary to reset filter_grad.
       // Gradient with respect to the filter
       for (int g = 0; g < groups; g++) {
-        auto cudnn_func = [&](void* cudnn_func) {
+        auto cudnn_func = [&](void* cudnn_workspace) {
           CUDNN_ENFORCE(platform::dynload::cudnnConvolutionBackwardFilter(
               handle, &alpha, cudnn_output_desc,
               output_grad_data + output_grad_offset * g, cudnn_input_desc,
diff --git a/paddle/fluid/platform/device_context.cc b/paddle/fluid/platform/device_context.cc
index ec297ea9a6365f82819d329eb63754ba42393d61..3d416bb528a531b7ceaa63b3f651e9955ecb6a4d 100644
--- a/paddle/fluid/platform/device_context.cc
+++ b/paddle/fluid/platform/device_context.cc
@@ -176,7 +176,7 @@ class CudnnHolder {
     if (required_workspace_len <= workspace_len_) {
       return;
     }
-    void* new_workspace = paddle::memory::Alloc(place_, required_len);
+    void* new_workspace = paddle::memory::Alloc(place_, required_workspace_len);
     if (workspace_ != nullptr) {
       // Maybe someone is using the current workspace
       PADDLE_ENFORCE(cudaStreamSynchronize(*stream_));
@@ -184,7 +184,7 @@ class CudnnHolder {
       paddle::memory::Free(place_, workspace_);
     }
     workspace_ = new_workspace;
-    workspace_len_ = required_len;
+    workspace_len_ = required_workspace_len;
   }
 
   cudnnHandle_t cudnn_handle_;