iommu/amd: Fix device_state reference counting
authorJoerg Roedel <jroedel@suse.de>
Wed, 30 Jul 2014 14:04:39 +0000 (16:04 +0200)
committerJoerg Roedel <jroedel@suse.de>
Wed, 30 Jul 2014 14:07:50 +0000 (16:07 +0200)
The references to the device state are not dropped
everywhere. This might cause a dead-lock in
amd_iommu_free_device(). Fix it.

Signed-off-by: Joerg Roedel <jroedel@suse.de>
Tested-by: Oded Gabbay <oded.gabbay@amd.com>

No differences found