fix nullptr (#43370)

acfd7129 · sneaxiy · GitHub · 5781999d · acfd7129
隐藏空白更改
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paddle/fluid/operators/optimizers/distributed_fused_lamb_op.cu ...e/fluid/operators/optimizers/distributed_fused_lamb_op.cu +1 -1

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--- a/paddle/fluid/operators/optimizers/distributed_fused_lamb_op.cu
+++ b/paddle/fluid/operators/optimizers/distributed_fused_lamb_op.cu
@@ -1403,7 +1403,7 @@ class DistributedFusedLambOpKernel<platform::CUDADeviceContext, T>

    // Step 6: allreduce + global norm gradient clip
    int64_t global_rank = 0, local_rank = 0;
-    ncclComm_t global_comm = nullptr, local_comm = 0;
+    ncclComm_t global_comm = nullptr, local_comm = nullptr;
    if (nranks > 1) {
      auto *nccl_comm_handle =
          platform::NCCLCommContext::Instance().Get(ring_ids[0], place);