more unused var fixes

2 files changed, 10 insertions, 1 deletions

diff --git a/libcuda/cuda_runtime_api.cc b/libcuda/cuda_runtime_api.cc
index 12d3aac..bc7ad38 100644
--- a/libcuda/cuda_runtime_api.cc
+++ b/libcuda/cuda_runtime_api.cc
@@ -464,6 +464,10 @@ static int get_app_cuda_version() {
       " | grep libcudart.so | sed  's/.*libcudart.so.\\(.*\\) =>.*/\\1/' > " +
       fname;
   int res = system(app_cuda_version_command.c_str());
+  if(res == -1){
+    printf("Error - Cannot detect the app's CUDA version.\n");
+    exit(1);
+  }
   FILE *cmd = fopen(fname, "r");
   char buf[256];
   while (fgets(buf, sizeof(buf), cmd) != 0) {
@@ -3235,6 +3239,11 @@ char *readfile(const std::string filename) {
   // allocate and copy the entire ptx
   char *ret = (char *)malloc((filesize + 1) * sizeof(char));
   int num = fread(ret, 1, filesize, fp);
+  if(num == 0){
+        std::cout << "ERROR: Could not read data from file %s\n"
+              << filename << std::endl;
+    assert(0);
+  }
   ret[filesize] = '\0';
   fclose(fp);
   return ret;
diff --git a/src/gpgpu-sim/shader.cc b/src/gpgpu-sim/shader.cc
index f756aec..79be857 100644
--- a/src/gpgpu-sim/shader.cc
+++ b/src/gpgpu-sim/shader.cc
@@ -481,7 +481,7 @@ shader_core_ctx::shader_core_ctx(class gpgpu_sim *gpu,
   m_config = config;
   m_memory_config = mem_config;
   m_stats = stats;
-  unsigned warp_size = config->warp_size;
+  // unsigned warp_size = config->warp_size;
   Issue_Prio = 0;
 
   m_sid = shader_id;