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desc_cnt and data_cnt should always be equal. In the case of a dropped packet desc_cnt was still getting updated (correctly), data_cnt was not. To eliminate this bug and prevent it from recurring this patch combines them into one ring level cnt. Signed-off-by: Catherine Sullivan <csully@google.com> Reviewed-by: Sagi Shahar <sagis@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>