[PATCH 4.4 100/137] iommu/vt-d: Dont skip PCI devices when disabling IOTLB

From: Greg Kroah-Hartman
Date: Tue Feb 23 2016 - 23:23:07 EST


4.4-stable review patch. If anyone has any objections, please let me know.

------------------

From: Jeremy McNicoll <jmcnicol@xxxxxxxxxx>

commit da972fb13bc5a1baad450c11f9182e4cd0a091f6 upstream.

Fix a simple typo when disabling IOTLB on PCI(e) devices.

Fixes: b16d0cb9e2fc ("iommu/vt-d: Always enable PASID/PRI PCI capabilities before ATS")
Signed-off-by: Jeremy McNicoll <jmcnicol@xxxxxxxxxx>
Reviewed-by: Alex Williamson <alex.williamson@xxxxxxxxxx>
Signed-off-by: Joerg Roedel <jroedel@xxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
drivers/iommu/intel-iommu.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -1489,7 +1489,7 @@ static void iommu_disable_dev_iotlb(stru
{
struct pci_dev *pdev;

- if (dev_is_pci(info->dev))
+ if (!dev_is_pci(info->dev))
return;

pdev = to_pci_dev(info->dev);