diff options
Diffstat (limited to 'drivers/nvme/target/core.c')
| -rw-r--r-- | drivers/nvme/target/core.c | 21 |
1 files changed, 17 insertions, 4 deletions
diff --git a/drivers/nvme/target/core.c b/drivers/nvme/target/core.c index a4ed70e4afe3..f9172d38aff5 100644 --- a/drivers/nvme/target/core.c +++ b/drivers/nvme/target/core.c @@ -323,12 +323,21 @@ int nvmet_enable_port(struct nvmet_port *port) if (!try_module_get(ops->owner)) return -EINVAL; - ret = ops->add_port(port); - if (ret) { - module_put(ops->owner); - return ret; + /* + * If the user requested PI support and the transport isn't pi capable, + * don't enable the port. + */ + if (port->pi_enable && !ops->metadata_support) { + pr_err("T10-PI is not supported by transport type %d\n", + port->disc_addr.trtype); + ret = -EINVAL; + goto out_put; } + ret = ops->add_port(port); + if (ret) + goto out_put; + /* If the transport didn't set inline_data_size, then disable it. */ if (port->inline_data_size < 0) port->inline_data_size = 0; @@ -336,6 +345,10 @@ int nvmet_enable_port(struct nvmet_port *port) port->enabled = true; port->tr_ops = ops; return 0; + +out_put: + module_put(ops->owner); + return ret; } void nvmet_disable_port(struct nvmet_port *port) |