tree 24219d5248763072a4d683dd0ca667227d42cd0b
parent 2ed6d29c725c4aead510b5c23f563795b265acf5
author Dan Carpenter <dan.carpenter@oracle.com> 1348556516 +0300
committer Ohad Ben-Cohen <ohad@wizery.com> 1349164648 +0200

remoteproc: fix a potential NULL-dereference on cleanup

We only need to allocate mapping if there is an IOMMU domain.

Otherwise, when the mappings are released, the assumption that
an IOMMU domain is there will crash and burn.

CC: stable@vger.kernel.org
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
[ohad: revise commit log]
Signed-off-by: Ohad Ben-Cohen <ohad@wizery.com>