diff options
Diffstat (limited to 'drivers/nvme/target/fabrics-cmd.c')
| -rw-r--r-- | drivers/nvme/target/fabrics-cmd.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/nvme/target/fabrics-cmd.c b/drivers/nvme/target/fabrics-cmd.c index 6f14da5cd08f..7d0454cee920 100644 --- a/drivers/nvme/target/fabrics-cmd.c +++ b/drivers/nvme/target/fabrics-cmd.c @@ -109,6 +109,7 @@ static u16 nvmet_install_queue(struct nvmet_ctrl *ctrl, struct nvmet_req *req) u16 qid = le16_to_cpu(c->qid); u16 sqsize = le16_to_cpu(c->sqsize); struct nvmet_ctrl *old; + u16 mqes = NVME_CAP_MQES(ctrl->cap); u16 ret; if (!sqsize) { @@ -125,6 +126,14 @@ static u16 nvmet_install_queue(struct nvmet_ctrl *ctrl, struct nvmet_req *req) return NVME_SC_CMD_SEQ_ERROR | NVME_SC_DNR; } + if (sqsize > mqes) { + pr_warn("sqsize %u is larger than MQES supported %u cntlid %d\n", + sqsize, mqes, ctrl->cntlid); + req->error_loc = offsetof(struct nvmf_connect_command, sqsize); + req->cqe->result.u32 = IPO_IATTR_CONNECT_SQE(sqsize); + return NVME_SC_CONNECT_INVALID_PARAM | NVME_SC_DNR; + } + old = cmpxchg(&req->sq->ctrl, NULL, ctrl); if (old) { pr_warn("queue already connected!\n"); |