| commit | 361d744ddd61de065fbeb042aaed590d32dd92ec | [log] [tgz] |
|---|---|---|
| author | Jason Gunthorpe <jgg@nvidia.com> | Mon Oct 30 11:26:33 2023 -0300 |
| committer | Jason Gunthorpe <jgg@nvidia.com> | Mon Oct 30 11:36:04 2023 -0300 |
| tree | 78a027ced85fd087198b0e27552e5b78c34ebf76 | |
| parent | e7250ab7ca4998fe026f2149805b03e09dc32498 [diff] |
iommufd: Add iopt_area_alloc()
We never initialize the two interval tree nodes, and zero fill is not the
same as RB_CLEAR_NODE. This can hide issues where we missed adding the
area to the trees. Factor out the allocation and clear the two nodes.
Fixes: 51fe6141f0f6 ("iommufd: Data structure to provide IOVA to PFN mapping")
Link: https://lore.kernel.org/r/20231030145035.GG691768@ziepe.ca
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>