diff options
| author | Matthew Rosato <mjrosato@linux.ibm.com> | 2022-08-15 17:20:04 +0100 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2022-09-07 14:25:02 +0200 |
| commit | 927a5fdd949a03a244c1f5b3e6103aaadd547542 (patch) | |
| tree | 76f7572c7cfaf2d8cedb14b01ce384db3e06ec86 /drivers/iommu/s390-iommu.c | |
| parent | cbc040081fdf7d73ef60112b24caa785b3f293f3 (diff) | |
| download | lwn-927a5fdd949a03a244c1f5b3e6103aaadd547542.tar.gz lwn-927a5fdd949a03a244c1f5b3e6103aaadd547542.zip | |
iommu/s390: Fail probe for non-PCI devices
s390-iommu only supports pci_bus_type today.
Tested-by: Niklas Schnelle <schnelle@linux.ibm.com>
Signed-off-by: Matthew Rosato <mjrosato@linux.ibm.com>
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Link: https://lore.kernel.org/r/8cb71ea1b24bd2622c1937bd9cfffe73b126eb56.1660572783.git.robin.murphy@arm.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'drivers/iommu/s390-iommu.c')
| -rw-r--r-- | drivers/iommu/s390-iommu.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/iommu/s390-iommu.c b/drivers/iommu/s390-iommu.c index cd0ee89d63e0..ac4dab6d79e2 100644 --- a/drivers/iommu/s390-iommu.c +++ b/drivers/iommu/s390-iommu.c @@ -185,7 +185,12 @@ static void s390_iommu_detach_device(struct iommu_domain *domain, static struct iommu_device *s390_iommu_probe_device(struct device *dev) { - struct zpci_dev *zdev = to_zpci_dev(dev); + struct zpci_dev *zdev; + + if (!dev_is_pci(dev)) + return ERR_PTR(-ENODEV); + + zdev = to_zpci_dev(dev); return &zdev->iommu_dev; } |