From 20afe825274f60e3a529f248ae4f81d52b3db615 Mon Sep 17 00:00:00 2001
From: Sudhanshu Gupta <Sacusa@users.noreply.github.com>
Date: Thu, 6 Apr 2023 12:22:22 -0400
Subject: [PATCH] Fix cudaStreamSynchronize

---
 libcuda/cuda_runtime_api.cc | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/libcuda/cuda_runtime_api.cc b/libcuda/cuda_runtime_api.cc
index fd05f555c..eba7b9d73 100644
--- a/libcuda/cuda_runtime_api.cc
+++ b/libcuda/cuda_runtime_api.cc
@@ -2038,9 +2038,11 @@ __host__ cudaError_t CUDARTAPI cudaStreamSynchronizeInternal(
     announce_call(__my_func__);
   }
 #if (CUDART_VERSION >= 3000)
-  if (stream == NULL) ctx->synchronize();
-  return g_last_cudaError = cudaSuccess;
-  stream->synchronize();
+  if (stream == NULL) {
+    ctx->synchronize();
+  } else {
+    stream->synchronize();
+  }
 #else
   printf(
       "GPGPU-Sim PTX: WARNING: Asynchronous kernel execution not supported "