Commit 57bd2c24 authored Apr 29, 2020 by Joerg Roedel

iommu/amd: Return -ENODEV in add_device when device is not handled by IOMMU



When check_device() fails on the device, it is not handled by the
IOMMU and amd_iommu_add_device() needs to return -ENODEV.

Signed-off-by: Joerg Roedel <jroedel@suse.de>
Link: https://lore.kernel.org/r/20200429133712.31431-7-joro@8bytes.org


Signed-off-by: Joerg Roedel <jroedel@suse.de>

parent c0da9b9f

drivers/iommu/amd_iommu.c

+4 −1

Original line number	Diff line number	Diff line
		@@ -2157,9 +2157,12 @@ static int amd_iommu_add_device(struct device *dev)
		struct amd_iommu *iommu;
		int ret, devid;

		if (!check_device(dev) \|\| get_dev_data(dev))
		if (get_dev_data(dev))
		return 0;

		if (!check_device(dev))
		return -ENODEV;

		devid = get_device_id(dev);
		if (devid < 0)
		return devid;

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