diff options
Diffstat (limited to 'drivers/nvme')
| -rw-r--r-- | drivers/nvme/host/core.c | 5 | ||||
| -rw-r--r-- | drivers/nvme/host/nvme.h | 1 |
2 files changed, 6 insertions, 0 deletions
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index 8e6a3ada9d44..66fe301d9abb 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -3228,6 +3228,10 @@ static ssize_t nvme_sysfs_delete(struct device *dev, { struct nvme_ctrl *ctrl = dev_get_drvdata(dev); + /* Can't delete non-created controllers */ + if (!ctrl->created) + return -EBUSY; + if (device_remove_file_self(dev, attr)) nvme_delete_ctrl_sync(ctrl); return count; @@ -4039,6 +4043,7 @@ void nvme_start_ctrl(struct nvme_ctrl *ctrl) nvme_queue_scan(ctrl); nvme_start_queues(ctrl); } + ctrl->created = true; } EXPORT_SYMBOL_GPL(nvme_start_ctrl); diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h index d800b9a51c2c..2e04a36296d9 100644 --- a/drivers/nvme/host/nvme.h +++ b/drivers/nvme/host/nvme.h @@ -259,6 +259,7 @@ struct nvme_ctrl { struct nvme_command ka_cmd; struct work_struct fw_act_work; unsigned long events; + bool created; #ifdef CONFIG_NVME_MULTIPATH /* asymmetric namespace access: */ |