diff options
Diffstat (limited to 'drivers/nvme/target/fc.c')
| -rw-r--r-- | drivers/nvme/target/fc.c | 30 |
1 files changed, 19 insertions, 11 deletions
diff --git a/drivers/nvme/target/fc.c b/drivers/nvme/target/fc.c index 2006fae61980..1e6dcc241b3c 100644 --- a/drivers/nvme/target/fc.c +++ b/drivers/nvme/target/fc.c @@ -1164,18 +1164,24 @@ nvmet_fc_ls_create_association(struct nvmet_fc_tgtport *tgtport, memset(acc, 0, sizeof(*acc)); - if (iod->rqstdatalen < sizeof(struct fcnvme_ls_cr_assoc_rqst)) + /* + * FC-NVME spec changes. There are initiators sending different + * lengths as padding sizes for Create Association Cmd descriptor + * was incorrect. + * Accept anything of "minimum" length. Assume format per 1.15 + * spec (with HOSTID reduced to 16 bytes), ignore how long the + * trailing pad length is. + */ + if (iod->rqstdatalen < FCNVME_LSDESC_CRA_RQST_MINLEN) ret = VERR_CR_ASSOC_LEN; - else if (rqst->desc_list_len != - fcnvme_lsdesc_len( - sizeof(struct fcnvme_ls_cr_assoc_rqst))) + else if (rqst->desc_list_len < + cpu_to_be32(FCNVME_LSDESC_CRA_RQST_MIN_LISTLEN)) ret = VERR_CR_ASSOC_RQST_LEN; else if (rqst->assoc_cmd.desc_tag != cpu_to_be32(FCNVME_LSDESC_CREATE_ASSOC_CMD)) ret = VERR_CR_ASSOC_CMD; - else if (rqst->assoc_cmd.desc_len != - fcnvme_lsdesc_len( - sizeof(struct fcnvme_lsdesc_cr_assoc_cmd))) + else if (rqst->assoc_cmd.desc_len < + cpu_to_be32(FCNVME_LSDESC_CRA_CMD_DESC_MIN_DESCLEN)) ret = VERR_CR_ASSOC_CMD_LEN; else if (!rqst->assoc_cmd.ersp_ratio || (be16_to_cpu(rqst->assoc_cmd.ersp_ratio) >= @@ -2096,20 +2102,22 @@ nvmet_fc_handle_fcp_rqst(struct nvmet_fc_tgtport *tgtport, /* clear any response payload */ memset(&fod->rspiubuf, 0, sizeof(fod->rspiubuf)); + fod->data_sg = NULL; + fod->data_sg_cnt = 0; + ret = nvmet_req_init(&fod->req, &fod->queue->nvme_cq, &fod->queue->nvme_sq, &nvmet_fc_tgt_fcp_ops); - if (!ret) { /* bad SQE content or invalid ctrl state */ - nvmet_fc_abort_op(tgtport, fod); + if (!ret) { + /* bad SQE content or invalid ctrl state */ + /* nvmet layer has already called op done to send rsp. */ return; } /* keep a running counter of tail position */ atomic_inc(&fod->queue->sqtail); - fod->data_sg = NULL; - fod->data_sg_cnt = 0; if (fod->total_length) { ret = nvmet_fc_alloc_tgt_pgs(fod); if (ret) { |