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authorAndy Shevchenko2022-08-02 22:35:03 +0300
committerRafael J. Wysocki2022-08-08 19:29:34 +0200
commitb0f2fe5a38389790a97334c5df1c5dec52c5d627 (patch)
tree0f232b788801eaac4770822fa8bbc176d21397d3 /drivers/acpi
parent8fa0db3a9b8ef310eb40cf91481141ece084f584 (diff)
ACPI: VIOT: Do not dereference fwnode in struct device
In order to make the underneath API easier to change in the future, prevent users from dereferencing fwnode from struct device. Instead, use the specific dev_fwnode() and device_match_fwnode() APIs for that. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Eric Auger <eric.auger@redhat.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/acpi')
-rw-r--r--drivers/acpi/viot.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/acpi/viot.c b/drivers/acpi/viot.c
index 647f11cf165d..6132092dab2a 100644
--- a/drivers/acpi/viot.c
+++ b/drivers/acpi/viot.c
@@ -88,7 +88,7 @@ static int __init viot_get_pci_iommu_fwnode(struct viot_iommu *viommu,
return -ENODEV;
}
- fwnode = pdev->dev.fwnode;
+ fwnode = dev_fwnode(&pdev->dev);
if (!fwnode) {
/*
* PCI devices aren't necessarily described by ACPI. Create a
@@ -101,7 +101,7 @@ static int __init viot_get_pci_iommu_fwnode(struct viot_iommu *viommu,
}
set_primary_fwnode(&pdev->dev, fwnode);
}
- viommu->fwnode = pdev->dev.fwnode;
+ viommu->fwnode = dev_fwnode(&pdev->dev);
pci_dev_put(pdev);
return 0;
}
@@ -314,7 +314,7 @@ static int viot_dev_iommu_init(struct device *dev, struct viot_iommu *viommu,
return -ENODEV;
/* We're not translating ourself */
- if (viommu->fwnode == dev->fwnode)
+ if (device_match_fwnode(dev, viommu->fwnode))
return -EINVAL;
ops = iommu_ops_from_fwnode(viommu->fwnode);