From 927a5fdd949a03a244c1f5b3e6103aaadd547542 Mon Sep 17 00:00:00 2001 From: Matthew Rosato Date: Mon, 15 Aug 2022 17:20:04 +0100 Subject: [PATCH] iommu/s390: Fail probe for non-PCI devices s390-iommu only supports pci_bus_type today. Tested-by: Niklas Schnelle Signed-off-by: Matthew Rosato Signed-off-by: Robin Murphy Link: https://lore.kernel.org/r/8cb71ea1b24bd2622c1937bd9cfffe73b126eb56.1660572783.git.robin.murphy@arm.com Signed-off-by: Joerg Roedel --- drivers/iommu/s390-iommu.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) 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; } -- GitLab