nvme: delete dev from dev_list in nvme_reset

Device resets need to delete the device from the device list before
kicking of the reset an re-probe, otherwise we get the device added
to the list twice.  nvme_reset is the only side missing this deletion
at the moment, and this patch adds it.
Signed-off-by: NChristoph Hellwig <hch@lst.de>
Reviewed-by: NKeith Busch <keith.busch@intel.com>
Signed-off-by: NJens Axboe <axboe@fb.com>

drivers/block/nvme-core.c

@@ -3089,6 +3089,7 @@ static int nvme_reset(struct nvme_dev *dev)
 
 	spin_lock(&dev_list_lock);
 	if (!work_pending(&dev->reset_work)) {
+		list_del_init(&dev->node);
 		queue_work(nvme_workq, &dev->reset_work);
 		ret = 0;
 	}