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iommu: Improve error handling when setting bus iommu
authorHeiko Stübner <heiko@sntech.de>
Wed, 29 Oct 2014 00:22:56 +0000 (01:22 +0100)
committerJoerg Roedel <jroedel@suse.de>
Tue, 4 Nov 2014 14:00:48 +0000 (15:00 +0100)
When some part of bus_set_iommu fails it should undo any made changes
and not simply leave everything as is.

This includes unregistering the bus notifier in iommu_bus_init when
add_iommu_group fails and also setting the bus->iommu_ops back to NULL.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
drivers/iommu/iommu.c patch | blob | history

diff --cc drivers/iommu/iommu.c
Simple merge
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