diff options
| -rw-r--r-- | drivers/nvme/target/pci-epf.c | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/drivers/nvme/target/pci-epf.c b/drivers/nvme/target/pci-epf.c index ac30b42cc622..efd4623fb002 100644 --- a/drivers/nvme/target/pci-epf.c +++ b/drivers/nvme/target/pci-epf.c @@ -1822,14 +1822,14 @@ static int nvmet_pci_epf_enable_ctrl(struct nvmet_pci_epf_ctrl *ctrl) if (ctrl->io_sqes < sizeof(struct nvme_command)) { dev_err(ctrl->dev, "Unsupported I/O SQES %zu (need %zu)\n", ctrl->io_sqes, sizeof(struct nvme_command)); - return -EINVAL; + goto err; } ctrl->io_cqes = 1UL << nvmet_cc_iocqes(ctrl->cc); if (ctrl->io_cqes < sizeof(struct nvme_completion)) { dev_err(ctrl->dev, "Unsupported I/O CQES %zu (need %zu)\n", ctrl->io_sqes, sizeof(struct nvme_completion)); - return -EINVAL; + goto err; } /* Create the admin queue. */ @@ -1844,7 +1844,7 @@ static int nvmet_pci_epf_enable_ctrl(struct nvmet_pci_epf_ctrl *ctrl) qsize, pci_addr, 0); if (status != NVME_SC_SUCCESS) { dev_err(ctrl->dev, "Failed to create admin completion queue\n"); - return -EINVAL; + goto err; } qsize = aqa & 0x00000fff; @@ -1854,17 +1854,22 @@ static int nvmet_pci_epf_enable_ctrl(struct nvmet_pci_epf_ctrl *ctrl) if (status != NVME_SC_SUCCESS) { dev_err(ctrl->dev, "Failed to create admin submission queue\n"); nvmet_pci_epf_delete_cq(ctrl->tctrl, 0); - return -EINVAL; + goto err; } ctrl->sq_ab = NVMET_PCI_EPF_SQ_AB; ctrl->irq_vector_threshold = NVMET_PCI_EPF_IV_THRESHOLD; ctrl->enabled = true; + ctrl->csts = NVME_CSTS_RDY; /* Start polling the controller SQs. */ schedule_delayed_work(&ctrl->poll_sqs, 0); return 0; + +err: + ctrl->csts = 0; + return -EINVAL; } static void nvmet_pci_epf_disable_ctrl(struct nvmet_pci_epf_ctrl *ctrl) @@ -1889,6 +1894,8 @@ static void nvmet_pci_epf_disable_ctrl(struct nvmet_pci_epf_ctrl *ctrl) /* Delete the admin queue last. */ nvmet_pci_epf_delete_sq(ctrl->tctrl, 0); nvmet_pci_epf_delete_cq(ctrl->tctrl, 0); + + ctrl->csts &= ~NVME_CSTS_RDY; } static void nvmet_pci_epf_poll_cc_work(struct work_struct *work) @@ -1909,13 +1916,10 @@ static void nvmet_pci_epf_poll_cc_work(struct work_struct *work) ret = nvmet_pci_epf_enable_ctrl(ctrl); if (ret) return; - ctrl->csts |= NVME_CSTS_RDY; } - if (!nvmet_cc_en(new_cc) && nvmet_cc_en(old_cc)) { + if (!nvmet_cc_en(new_cc) && nvmet_cc_en(old_cc)) nvmet_pci_epf_disable_ctrl(ctrl); - ctrl->csts &= ~NVME_CSTS_RDY; - } if (nvmet_cc_shn(new_cc) && !nvmet_cc_shn(old_cc)) { nvmet_pci_epf_disable_ctrl(ctrl); |