RE: [PATCH] nvme: use correct upper limit for tag in nvme_handle_cqe()

; tianxianting (RD) Subject: [PATCH] nvme: use correct upper limit for tag in nvme_handle_cqe() We met a crash issue when hot-insert a nvme device, blk_mq_tag_to_rq() returned null(req=null), then crash happened in nvme_end_request(): req = blk_mq_tag_to_rq(); struct nvme_request *rq

[PATCH] nvme: use correct upper limit for tag in nvme_handle_cqe()

We met a crash issue when hot-insert a nvme device, blk_mq_tag_to_rq() returned null(req=null), then crash happened in nvme_end_request(): req = blk_mq_tag_to_rq(); struct nvme_request *rq = nvme_req(req); //rq = req + 1 rq->result = result; <==crash here!!! [ 1124