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(parent: 52addcf) | patch
iommu/core: Make iommu_group_get_for_dev() more robust
authorJoerg Roedel <jroedel@suse.de>
Thu, 21 Aug 2014 20:32:08 +0000 (22:32 +0200)
committerJoerg Roedel <jroedel@suse.de>
Tue, 26 Aug 2014 09:15:10 +0000 (11:15 +0200)
commitc4a783b89ee3fc1201510ecf204278da4ccb0993
treef8b102520f6780736cfc21c4d948d3e1ae78ac69tree | snapshot
parent52addcf9d6669fa439387610bc65c92fa0980cefcommit | diff
iommu/core: Make iommu_group_get_for_dev() more robust

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: 104a1c13ac66e40cf8c6ae74d76ff14ff24b9b01
Cc: Alex Williamson <alex.williamson@redhat.com>
Acked-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
drivers/iommu/iommu.c diff | blob | history
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