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| author | Johan Hovold <johan@kernel.org> | 2025-10-20 07:53:05 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2026-01-11 17:19:06 +0300 |
| commit | 4dedb3bb5bc2d6246fefec74fb5b72e1f3793b34 (patch) | |
| tree | aa513fa6dc82d0ff1b8c5d17ab4e86c93c3b3b8d /drivers | |
| parent | 2cdf8907f3ba23805116146df7dcb32d048823f8 (diff) | |
| download | linux-4dedb3bb5bc2d6246fefec74fb5b72e1f3793b34.tar.xz | |
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')
| -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 06ca73bddb5a..2fff6d112942 100644 --- a/drivers/iommu/apple-dart.c +++ b/drivers/iommu/apple-dart.c @@ -634,6 +634,8 @@ static int apple_dart_of_xlate(struct device *dev, struct of_phandle_args *args) struct apple_dart *cfg_dart; int i, sid; + put_device(&iommu_pdev->dev); + if (args->args_count != 1) return -EINVAL; sid = args->args[0]; |