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nvme-pci: Fix nvme queue cleanup if IRQ setup fails

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[ Upstream commit f25a2dfc20 ]

This patch fixes nvme queue cleanup if requesting an IRQ handler for
the queue's vector fails. It does this by resetting the cq_vector to
the uninitialized value of -1 so it is ignored for a controller reset.

Signed-off-by: Jianchao Wang <jianchao.w.wang@oracle.com>
[changelog updates, removed misc whitespace changes]
Signed-off-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jianchao Wang 2018-02-15 19:13:41 +08:00 committed by Greg Kroah-Hartman
parent 173fb59306
commit 091b085d03
1 changed files with 4 additions and 1 deletions
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5
drivers/nvme/host/pci.c
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@ -1583,7 +1583,7 @@ static int nvme_create_queue(struct nvme_queue *nvmeq, int qid)
nvmeq->cq_vector = qid - 1;
result = adapter_alloc_cq(dev, qid, nvmeq);
if (result < 0)
return result;
goto release_vector;
result = adapter_alloc_sq(dev, qid, nvmeq);
if (result < 0)
@ -1597,9 +1597,12 @@ static int nvme_create_queue(struct nvme_queue *nvmeq, int qid)
return result;
release_sq:
dev->online_queues--;
adapter_delete_sq(dev, qid);
release_cq:
adapter_delete_cq(dev, qid);
release_vector:
nvmeq->cq_vector = -1;
return result;
}