diff options
Diffstat (limited to 'drivers/nvme/host/core.c')
| -rw-r--r-- | drivers/nvme/host/core.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index 3b77cfe5aa1e..c49f1f8b2e57 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -1995,6 +1995,9 @@ static ssize_t wwid_show(struct device *dev, struct device_attribute *attr, int serial_len = sizeof(ctrl->serial); int model_len = sizeof(ctrl->model); + if (!uuid_is_null(&ns->uuid)) + return sprintf(buf, "uuid.%pU\n", &ns->uuid); + if (memchr_inv(ns->nguid, 0, sizeof(ns->nguid))) return sprintf(buf, "eui.%16phN\n", ns->nguid); @@ -2709,7 +2712,8 @@ void nvme_kill_queues(struct nvme_ctrl *ctrl) mutex_lock(&ctrl->namespaces_mutex); /* Forcibly unquiesce queues to avoid blocking dispatch */ - blk_mq_unquiesce_queue(ctrl->admin_q); + if (ctrl->admin_q) + blk_mq_unquiesce_queue(ctrl->admin_q); list_for_each_entry(ns, &ctrl->namespaces, list) { /* |