diff options
| author | Johan Hovold <johan@kernel.org> | 2025-10-20 06:53:09 +0200 |
|---|---|---|
| committer | Joerg Roedel <joerg.roedel@amd.com> | 2025-11-17 09:49:43 +0100 |
| commit | b3f1ee18280363ef17f82b564fc379ceba9ec86f (patch) | |
| tree | 1405761d05fe8176dff14698002d367981804e5f | |
| parent | 80aa518452c4aceb9459f9a8e3184db657d1b441 (diff) | |
iommu/mediatek: 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: 0df4fabe208d ("iommu/mediatek: Add mt8173 IOMMU driver")
Cc: stable@vger.kernel.org # 4.6
Acked-by: Robin Murphy <robin.murphy@arm.com>
Reviewed-by: Yong Wu <yong.wu@mediatek.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
| -rw-r--r-- | drivers/iommu/mtk_iommu.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c index 9747ef164413..82a55fe19a62 100644 --- a/drivers/iommu/mtk_iommu.c +++ b/drivers/iommu/mtk_iommu.c @@ -974,6 +974,8 @@ static int mtk_iommu_of_xlate(struct device *dev, return -EINVAL; dev_iommu_priv_set(dev, platform_get_drvdata(m4updev)); + + put_device(&m4updev->dev); } return iommu_fwspec_add_ids(dev, args->args, 1); |