linux-kernel - [PATCH 1/2] Revert "NVMe: Disable admin queue on init failure"

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Date:	Tue, 21 Jan 2014 11:06:12 +0100
From:	Alexander Gordeev <agordeev@...hat.com>
To:	Keith Busch <keith.busch@...el.com>
Cc:	Bjorn Helgaas <bhelgaas@...gle.com>,
	Matthew Wilcox <willy@...ux.intel.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	linux-nvme@...ts.infradead.org,
	"linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>
Subject: [PATCH 1/2] Revert "NVMe: Disable admin queue on init failure"

This reverts commit c5dc9192d52a4a3a479f701e97386347d454af84.
---
 drivers/block/nvme-core.c |   11 +++++------
 1 files changed, 5 insertions(+), 6 deletions(-)

diff --git a/drivers/block/nvme-core.c b/drivers/block/nvme-core.c
index b59a93a..c790679 100644
--- a/drivers/block/nvme-core.c
+++ b/drivers/block/nvme-core.c
@@ -1151,11 +1151,11 @@ static void nvme_free_queue(struct nvme_queue *nvmeq)
 	kfree(nvmeq);
 }
 
-static void nvme_free_queues(struct nvme_dev *dev, int lowest)
+static void nvme_free_queues(struct nvme_dev *dev)
 {
 	int i;
 
-	for (i = dev->queue_count - 1; i >= lowest; i--) {
+	for (i = dev->queue_count - 1; i >= 0; i--) {
 		nvme_free_queue(dev->queues[i]);
 		dev->queue_count--;
 		dev->queues[i] = NULL;
@@ -1989,7 +1989,7 @@ static int nvme_setup_io_queues(struct nvme_dev *dev)
 	return 0;
 
  free_queues:
-	nvme_free_queues(dev, 1);
+	nvme_free_queues(dev);
 	return result;
 }
 
@@ -2409,7 +2409,6 @@ static int nvme_dev_start(struct nvme_dev *dev)
 	return result;
 
  disable:
-	nvme_disable_queue(dev, 0);
 	spin_lock(&dev_list_lock);
 	list_del_init(&dev->node);
 	spin_unlock(&dev_list_lock);
@@ -2541,7 +2540,7 @@ static int nvme_probe(struct pci_dev *pdev, const struct pci_device_id *id)
  shutdown:
 	nvme_dev_shutdown(dev);
  release_pools:
-	nvme_free_queues(dev, 0);
+	nvme_free_queues(dev);
 	nvme_release_prp_pools(dev);
  release:
 	nvme_release_instance(dev);
@@ -2565,7 +2564,7 @@ static void nvme_remove(struct pci_dev *pdev)
 	misc_deregister(&dev->miscdev);
 	nvme_dev_remove(dev);
 	nvme_dev_shutdown(dev);
-	nvme_free_queues(dev, 0);
+	nvme_free_queues(dev);
 	nvme_release_instance(dev);
 	nvme_release_prp_pools(dev);
 	kref_put(&dev->kref, nvme_free_dev);
-- 
1.7.7.6

-- 
Regards,
Alexander Gordeev
agordeev@...hat.com
--
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