Commit 999ada28 authored Oct 18, 2017 by Christoph Hellwig

nvme: check for a live controller in nvme_dev_open



This is a much more sensible check than just the admin queue.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Sagi Grimberg <sagi@rimbeg.me>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>

parent a6a5149b

drivers/nvme/host/core.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -1891,7 +1891,7 @@ static int nvme_dev_open(struct inode inode, struct file file)
		struct nvme_ctrl *ctrl =
		container_of(inode->i_cdev, struct nvme_ctrl, cdev);

		if (!ctrl->admin_q)
		if (ctrl->state != NVME_CTRL_LIVE)
		return -EWOULDBLOCK;
		file->private_data = ctrl;
		return 0;