diff options
| author | Johan Hovold <johan@kernel.org> | 2025-10-20 06:53:05 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2026-01-08 10:14:39 +0100 |
| commit | c2e050e7872c8619399305ce0ec0c63d0dfc5c0f (patch) | |
| tree | 242a04fb4d06f44156cf4377c47f4dcaec284310 /drivers/iommu | |
| parent | 1970ddf9f70dc99b5d908157b4aed86d57d3c1ce (diff) | |
iommu/apple-dart: fix device leak on of_xlate()
commit a6eaa872c52a181ae9a290fd4e40c9df91166d7a upstream.
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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/iommu')
| -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 e8d7bcbee1a2..05fad2c50c5a 100644 --- a/drivers/iommu/apple-dart.c +++ b/drivers/iommu/apple-dart.c @@ -790,6 +790,8 @@ 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]; |