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[MSLITE]修复CAFFE权重文件不存在导致转换工具crash问题 #4

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p80627345 wants to merge 2 commits from p80627345/mindspore:master into master
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p80627345 commented 2023-03-25 11:33:55 +08:00
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What does this PR do / why do we need it:

修复CAFFE权重文件不存在导致转换工具crash。

问题根因：ConverterFuncGraph::Build()内部调用Load3rdModelToFuncgraph(param)加载caffe模型失败，返回的func_graph指针为null，下方SetIsGraphDynamicShapeAttr(func_graph)未校验入参直接使用，解引用空指针导致crash。

解法：补充对Load3rdModelToFuncgraph(param)的输出func_graph判空，另外补充ut看护此场景。

Which issue(s) this PR fixes:

What does this PR do / why do we need it: 修复CAFFE权重文件不存在导致转换工具crash。 问题根因：ConverterFuncGraph::Build()内部调用Load3rdModelToFuncgraph(param)加载caffe模型失败，返回的func_graph指针为null，下方SetIsGraphDynamicShapeAttr(func_graph)未校验入参直接使用，解引用空指针导致crash。 解法：补充对Load3rdModelToFuncgraph(param)的输出func_graph判空，另外补充ut看护此场景。 Which issue(s) this PR fixes:
p80627345 added 2 commits 2023-03-25 11:34:01 +08:00
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Reference: mindspore-Ecosystem/mindspore#4
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