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iommu/sun50i: fix device leak on of_xlate()

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Make sure to drop the reference taken to the iommu platform device when
looking up its driver data during of_xlate().

Fixes: 4100b8c229 ("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>
This commit is contained in:
Johan Hovold
2025-10-20 06:53:17 +02:00
committed by Joerg Roedel
parent 13e1d629d8
commit f916109bf5
1 changed files with 2 additions and 0 deletions
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2
drivers/iommu/sun50i-iommu.c
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@@ -841,6 +841,8 @@ 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);
}