From f916109bf53864605d10bf6f4215afa023a80406 Mon Sep 17 00:00:00 2001 From: Johan Hovold Date: Mon, 20 Oct 2025 06:53:17 +0200 Subject: [PATCH] iommu/sun50i: 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: 4100b8c229b3 ("iommu: Add Allwinner H6 IOMMU driver") Cc: stable@vger.kernel.org # 5.8 Cc: Maxime Ripard Acked-by: Robin Murphy Signed-off-by: Johan Hovold Signed-off-by: Joerg Roedel --- drivers/iommu/sun50i-iommu.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/iommu/sun50i-iommu.c b/drivers/iommu/sun50i-iommu.c index d3b190be18b5a..90b26fe218176 100644 --- a/drivers/iommu/sun50i-iommu.c +++ b/drivers/iommu/sun50i-iommu.c @@ -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); } -- 2.47.3