diff options
| author | Johan Hovold <johan@kernel.org> | 2025-10-20 06:53:05 +0200 |
|---|---|---|
| committer | Joerg Roedel <joerg.roedel@amd.com> | 2025-11-17 09:49:42 +0100 |
| commit | a6eaa872c52a181ae9a290fd4e40c9df91166d7a (patch) | |
| tree | 6f4d8817fabfd2fd240ac10f915d0352550167a2 | |
| parent | 4fd24676865c383eab77d21ed02ffb432061df54 (diff) | |
iommu/apple-dart: fix device leak on of_xlate()
Make sure to drop the reference taken to the iommu platform device when
looking up its driver data during of_xlate().
Fixes: 46d1fb072e76 ("iommu/dart: Add DART iommu driver")
Cc: stable@vger.kernel.org # 5.15
Cc: Sven Peter <sven@kernel.org>
Acked-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
| -rw-r--r-- | drivers/iommu/apple-dart.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/iommu/apple-dart.c b/drivers/iommu/apple-dart.c index b5848770ef48..83a5aabcd15d 100644 --- a/drivers/iommu/apple-dart.c +++ b/drivers/iommu/apple-dart.c @@ -805,6 +805,8 @@ static int apple_dart_of_xlate(struct device *dev, struct apple_dart *cfg_dart; int i, sid; + put_device(&iommu_pdev->dev); + if (args->args_count != 1) return -EINVAL; sid = args->args[0]; |