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Commit dc9de8a2 authored by Joerg Roedel's avatar Joerg Roedel
Browse files

iommu: Check for iommu_ops == NULL in iommu_probe_device() 



This check needs to be there and got lost at some point
during development. Add it again.

Fixes: 641fb0ef ('iommu/of: Don't call iommu_ops->add_device directly')
Reported-by: default avatarMarek Szyprowski <m.szyprowski@samsung.com>
Reported-by: default avatarkernelci.org bot <bot@kernelci.org>
Signed-off-by: default avatarJoerg Roedel <jroedel@suse.de>
parent d2e1a003

drivers/iommu/iommu.c

+5 −1
Original line number Diff line number Diff line
@@ -114,10 +114,14 @@ void iommu_device_unregister(struct iommu_device *iommu) 
int iommu_probe_device(struct device *dev)

{

	const struct iommu_ops *ops = dev->bus->iommu_ops;

	int ret = -EINVAL;



	WARN_ON(dev->iommu_group);



	return ops->add_device(dev);

	if (ops)

		ret = ops->add_device(dev);



	return ret;

}



void iommu_release_device(struct device *dev)