On 06/08/2016 01:16 AM, Johannes Thumshirn wrote:
On Tue, May 10, 2016 at 03:14:28PM +0200, Johannes Thumshirn wrote:
The NVMe driver only requests the PCIe device's memory regions but releases
all possible regions (including eventual I/O regions). This leads to a stale
warning entry in dmesg about freeing non existent resources.
Signed-off-by: Johannes Thumshirn <jthumsh...@suse.de>
---
drivers/nvme/host/pci.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c
index eec73fe..6f5ad07 100644
--- a/drivers/nvme/host/pci.c
+++ b/drivers/nvme/host/pci.c
@@ -1759,9 +1759,14 @@ static int nvme_pci_enable(struct nvme_dev *dev)
static void nvme_dev_unmap(struct nvme_dev *dev)
{
+ struct pci_dev *pdev = to_pci_dev(dev->dev);
+ int bars;
+
if (dev->bar)
iounmap(dev->bar);
- pci_release_regions(to_pci_dev(dev->dev));
+
+ bars = pci_select_bars(pdev, IORESOURCE_MEM);
+ pci_release_selected_regions(pdev, bars);
}
static void nvme_pci_disable(struct nvme_dev *dev)
@@ -1998,7 +2003,7 @@ static int nvme_dev_map(struct nvme_dev *dev)
return 0;
release:
- pci_release_regions(pdev);
+ pci_release_selected_regions(pdev, bars);
return -ENODEV;
}
--
1.8.5.6
Jens, ping?
Added for 4.7, thanks.
--
Jens Axboe
