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(parent: 38ec010) | patch
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)
commitd7da6bdc322bb79c4326dff7c2727236a48c4be9
tree65411798415b8d124525ee4d51426b08f47fd028tree | snapshot
parent38ec010d9b04ed94845f8ff6f10d33eb6bbfe180commit | diff
iommu: Improve error handling when setting bus iommu

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 diff | blob | history
ep93xx device tree rework repo: git://git.maquefel.me/linux.git