device_ledger: fix buffer underflow on bad data from device
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@ -304,6 +304,7 @@ namespace hw {
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SCARD_PCI_T0, this->buffer_send, this->length_send,
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NULL, this->buffer_recv, &this->length_recv);
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ASSERT_RV(rv);
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ASSERT_T0(this->length_recv >= 2);
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ASSERT_T0(this->length_recv <= BUFFER_RECV_SIZE);
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logRESP();
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