On Wed, Jun 13, 2018 at 05:14:34PM +0100, Ben Hutchings wrote: > On Mon, 2018-05-28 at 12:01 +0200, Greg Kroah-Hartman wrote: > > result = adapter_alloc_sq(dev, qid, nvmeq); > > if (result < 0) > > @@ -1597,9 +1597,12 @@ static int nvme_create_queue(struct nvme > > return result; > > > > release_sq: > > + dev->online_queues--; > > This addition looks wrong. dev->online_queues is incremented by > nvme_init_queue(), but this function only calls that at a point where > it is sure to succeed. So why would a failure path need to decrement > it? Thank you very much the catching that. This particular patch is indeed not correct without the following: 161b8be2bd6ab ("nvme-pci: initialize queue memory before interrupts")