18 Mar
2021
18 Mar
'21
5:48 p.m.
On Wed, Mar 03, 2021 at 05:36:11PM +0000, Shameer Kolothum wrote:
The device iommu probe/attach might have failed leaving dev->iommu to NULL and device drivers may still invoke these functions resulting in a crash in iommu vendor driver code.
Hence make sure we check that.
Fixes: a3a195929d40 ("iommu: Add APIs for multiple domains per device") Signed-off-by: Shameer Kolothum <shameerali.kolothum.thodi@huawei.com> --- v2 --> v3 -Removed iommu_ops from struct dev_iommu. v1 --> v2: -Added iommu_ops to struct dev_iommu based on the discussion with Robin. -Rebased against iommu-tree core branch. --- drivers/iommu/iommu.c | 24 +++++++++++++++--------- 1 file changed, 15 insertions(+), 9 deletions(-)
Applied, thanks.