iommu/core: Make iommu_group_get_for_dev() more robust

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When a non-PCI device is passed to that function it might
pass group == NULL to iommu_group_add_device() which then
dereferences it and cause a crash this way. Fix it by
just returning an error for non-PCI devices.

Fixes: 104a1c13ac
Cc: Alex Williamson <alex.williamson@redhat.com>
Acked-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>

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This commit is contained in:

Joerg Roedel 2014-08-21 22:32:08 +02:00

parent 52addcf9d6

commit c4a783b89e

1 changed files with 5 additions and 3 deletions

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drivers/iommu/iommu.c

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