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a0aac973a2
nvmeq->cq_head is compared with nvmeq->q_depth and changed the value and cq_phase for handling the next cq db. but, nvmeq->q_depth's type is u32 and max. value is 0x10000 when CQP.MSQE is 0xffff and io_queue_depth is 0x10000. current temp. variable for comparing with nvmeq->q_depth is overflowed when previous nvmeq->cq_head is 0xffff. in this case, nvmeq->cq_phase is not updated. so, fix data type for temp. variable to u32. Signed-off-by: JK Kim <jongkang.kim2@gmail.com> Signed-off-by: Christoph Hellwig <hch@lst.de> |
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