Fix issues detected by Coverity (2024.09.30)

Signed-off-by: Michal Zientkiewicz <michalz@nvidia.com>

Author: mzient

dali/operators/image/remap/cvcuda/matrix_adjust.cu

@@ -55,6 +55,7 @@ void adjustMatrices(nvcv::Tensor &matrices, cudaStream_t stream) {
   int num_blocks = div_ceil(bs, 256);
   int threads_per_block = std::min(bs, 256);
   adjustMatricesKernel2<<<num_blocks, threads_per_block, 0, stream>>>(wrap, bs);
+  CUDA_CALL(cudaGetLastError());
 }
 
 }  // namespace warp_perspective

dali/operators/image/remap/cvcuda/warp_perspective.cc

@@ -231,7 +231,7 @@ class WarpPerspective : public nvcvop::NVCVSequenceOperator<StatelessOperator> {
   NVCVBorderType border_mode_ = NVCV_BORDER_CONSTANT;
   NVCVInterpolationType interp_type_ = NVCV_INTERP_NEAREST;
   std::vector<float> fill_value_arg_{0, 0, 0, 0};
-  float4 fill_value_;
+  float4 fill_value_{};
   bool inverse_map_ = false;
   bool ocv_pixel_ = true;
   std::optional<cvcuda::WarpPerspective> warp_perspective_;

dali/pipeline/executor/executor2/exec2.cc

@@ -347,7 +347,7 @@ class Executor2::Impl {
       auto stream_idx = assignment[&node];
 
       node.env.order = stream_idx.has_value()
-                     ? AccessOrder(streams_[*stream_idx])
+                     ? AccessOrder(streams_[*stream_idx].get())
                      : AccessOrder::host();
     }
   }

dali/pipeline/executor/executor2/exec2_ops_for_test.cu

@@ -99,6 +99,7 @@ void DummyOpGPU::RunImpl(Workspace &ws) {
     scratch.ToGPU(ws.stream(), pointers),
     ws.NumInput() + 1,
     N);
+  CUDA_CALL(cudaGetLastError());
 }
 
 

dali/pipeline/executor/executor2/exec_node_task.cc

@@ -259,6 +259,7 @@ void OpTask::RunOp() {
     ResetInputLayouts();
     PropagateSourceInfo(*ws_);
   }
+  assert(ws_->GetIterationData());
   if (auto cpt = ws_->GetIterationData()->checkpoint) {
     node_->op->SaveState(cpt->GetOpCheckpoint(node_->instance_name), ws_->output_order());
   }