avoid overwriting non-nil uploadReaderToChunks.uploadErr with nil value (#4560)
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@@ -70,9 +70,13 @@ func (fs *FilerServer) uploadReaderToChunks(w http.ResponseWriter, r *http.Reque
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if err != nil || dataSize == 0 {
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if err != nil || dataSize == 0 {
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bufPool.Put(bytesBuffer)
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bufPool.Put(bytesBuffer)
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<-bytesBufferLimitChan
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<-bytesBufferLimitChan
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if err != nil {
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uploadErrLock.Lock()
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uploadErrLock.Lock()
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if uploadErr == nil {
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uploadErr = err
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uploadErr = err
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}
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uploadErrLock.Unlock()
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uploadErrLock.Unlock()
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}
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break
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break
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}
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}
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if chunkOffset == 0 && !isAppend {
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if chunkOffset == 0 && !isAppend {
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