diff options
| author | Johan Hovold <johan@kernel.org> | 2025-10-20 06:53:17 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2026-01-08 10:16:56 +0100 |
| commit | bd2f551f575c72e326a4eafa23dd7e47cfafc754 (patch) | |
| tree | 4830498d54de6ba341d9aac6b9488b7a98f0c322 /drivers/iommu | |
| parent | 6b8390fcef610432686b464079955381dcce2c78 (diff) | |
iommu/sun50i: fix device leak on of_xlate()
commit f916109bf53864605d10bf6f4215afa023a80406 upstream.
Make sure to drop the reference taken to the iommu platform device when
looking up its driver data during of_xlate().
Fixes: 4100b8c229b3 ("iommu: Add Allwinner H6 IOMMU driver")
Cc: stable@vger.kernel.org # 5.8
Cc: Maxime Ripard <mripard@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/sun50i-iommu.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/iommu/sun50i-iommu.c b/drivers/iommu/sun50i-iommu.c index de10b569d9a9..6306570d57db 100644 --- a/drivers/iommu/sun50i-iommu.c +++ b/drivers/iommu/sun50i-iommu.c @@ -839,6 +839,8 @@ static int sun50i_iommu_of_xlate(struct device *dev, dev_iommu_priv_set(dev, platform_get_drvdata(iommu_pdev)); + put_device(&iommu_pdev->dev); + return iommu_fwspec_add_ids(dev, &id, 1); } |