diff options
author | Klaus Jensen <k.jensen@samsung.com> | 2022-11-09 11:40:11 +0100 |
---|---|---|
committer | Klaus Jensen <k.jensen@samsung.com> | 2023-01-11 08:41:14 +0100 |
commit | 784fd35387e9e6b42e3f365ddf44263eb25de8f7 (patch) | |
tree | fa4c1a069923f56925bfc9431e06a3ac829b8c34 /hw/nvme | |
parent | fa5db2aa168bdc0f15c269b6212ef47632fab8ba (diff) |
hw/nvme: clean up confusing use of errp/local_err
Remove an unnecessary local Error value in nvme_realize(). In the
process, change nvme_check_constraints() to return a bool.
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
Diffstat (limited to 'hw/nvme')
-rw-r--r-- | hw/nvme/ctrl.c | 48 |
1 files changed, 23 insertions, 25 deletions
diff --git a/hw/nvme/ctrl.c b/hw/nvme/ctrl.c index 2264800337..b21455ada6 100644 --- a/hw/nvme/ctrl.c +++ b/hw/nvme/ctrl.c @@ -6981,7 +6981,7 @@ static const MemoryRegionOps nvme_cmb_ops = { }, }; -static void nvme_check_constraints(NvmeCtrl *n, Error **errp) +static bool nvme_check_params(NvmeCtrl *n, Error **errp) { NvmeParams *params = &n->params; @@ -6995,38 +6995,38 @@ static void nvme_check_constraints(NvmeCtrl *n, Error **errp) if (n->namespace.blkconf.blk && n->subsys) { error_setg(errp, "subsystem support is unavailable with legacy " "namespace ('drive' property)"); - return; + return false; } if (params->max_ioqpairs < 1 || params->max_ioqpairs > NVME_MAX_IOQPAIRS) { error_setg(errp, "max_ioqpairs must be between 1 and %d", NVME_MAX_IOQPAIRS); - return; + return false; } if (params->msix_qsize < 1 || params->msix_qsize > PCI_MSIX_FLAGS_QSIZE + 1) { error_setg(errp, "msix_qsize must be between 1 and %d", PCI_MSIX_FLAGS_QSIZE + 1); - return; + return false; } if (!params->serial) { error_setg(errp, "serial property not set"); - return; + return false; } if (n->pmr.dev) { if (host_memory_backend_is_mapped(n->pmr.dev)) { error_setg(errp, "can't use already busy memdev: %s", object_get_canonical_path_component(OBJECT(n->pmr.dev))); - return; + return false; } if (!is_power_of_2(n->pmr.dev->size)) { error_setg(errp, "pmr backend size needs to be power of 2 in size"); - return; + return false; } host_memory_backend_set_mapped(n->pmr.dev, true); @@ -7035,64 +7035,64 @@ static void nvme_check_constraints(NvmeCtrl *n, Error **errp) if (n->params.zasl > n->params.mdts) { error_setg(errp, "zoned.zasl (Zone Append Size Limit) must be less " "than or equal to mdts (Maximum Data Transfer Size)"); - return; + return false; } if (!n->params.vsl) { error_setg(errp, "vsl must be non-zero"); - return; + return false; } if (params->sriov_max_vfs) { if (!n->subsys) { error_setg(errp, "subsystem is required for the use of SR-IOV"); - return; + return false; } if (params->sriov_max_vfs > NVME_MAX_VFS) { error_setg(errp, "sriov_max_vfs must be between 0 and %d", NVME_MAX_VFS); - return; + return false; } if (params->cmb_size_mb) { error_setg(errp, "CMB is not supported with SR-IOV"); - return; + return false; } if (n->pmr.dev) { error_setg(errp, "PMR is not supported with SR-IOV"); - return; + return false; } if (!params->sriov_vq_flexible || !params->sriov_vi_flexible) { error_setg(errp, "both sriov_vq_flexible and sriov_vi_flexible" " must be set for the use of SR-IOV"); - return; + return false; } if (params->sriov_vq_flexible < params->sriov_max_vfs * 2) { error_setg(errp, "sriov_vq_flexible must be greater than or equal" " to %d (sriov_max_vfs * 2)", params->sriov_max_vfs * 2); - return; + return false; } if (params->max_ioqpairs < params->sriov_vq_flexible + 2) { error_setg(errp, "(max_ioqpairs - sriov_vq_flexible) must be" " greater than or equal to 2"); - return; + return false; } if (params->sriov_vi_flexible < params->sriov_max_vfs) { error_setg(errp, "sriov_vi_flexible must be greater than or equal" " to %d (sriov_max_vfs)", params->sriov_max_vfs); - return; + return false; } if (params->msix_qsize < params->sriov_vi_flexible + 1) { error_setg(errp, "(msix_qsize - sriov_vi_flexible) must be" " greater than or equal to 1"); - return; + return false; } if (params->sriov_max_vi_per_vf && @@ -7100,7 +7100,7 @@ static void nvme_check_constraints(NvmeCtrl *n, Error **errp) error_setg(errp, "sriov_max_vi_per_vf must meet:" " (sriov_max_vi_per_vf - 1) %% %d == 0 and" " sriov_max_vi_per_vf >= 1", NVME_VF_RES_GRANULARITY); - return; + return false; } if (params->sriov_max_vq_per_vf && @@ -7109,9 +7109,11 @@ static void nvme_check_constraints(NvmeCtrl *n, Error **errp) error_setg(errp, "sriov_max_vq_per_vf must meet:" " (sriov_max_vq_per_vf - 1) %% %d == 0 and" " sriov_max_vq_per_vf >= 2", NVME_VF_RES_GRANULARITY); - return; + return false; } } + + return true; } static void nvme_init_state(NvmeCtrl *n) @@ -7512,7 +7514,6 @@ static void nvme_realize(PCIDevice *pci_dev, Error **errp) NvmeCtrl *n = NVME(pci_dev); DeviceState *dev = DEVICE(pci_dev); NvmeNamespace *ns; - Error *local_err = NULL; NvmeCtrl *pn = NVME(pcie_sriov_get_pf(pci_dev)); if (pci_is_vf(pci_dev)) { @@ -7524,16 +7525,13 @@ static void nvme_realize(PCIDevice *pci_dev, Error **errp) n->subsys = pn->subsys; } - nvme_check_constraints(n, &local_err); - if (local_err) { - error_propagate(errp, local_err); + if (!nvme_check_params(n, errp)) { return; } qbus_init(&n->bus, sizeof(NvmeBus), TYPE_NVME_BUS, dev, dev->id); if (nvme_init_subsys(n, errp)) { - error_propagate(errp, local_err); return; } nvme_init_state(n); |