diff options
| author | Johan Hovold <johan@kernel.org> | 2025-10-20 06:53:12 +0200 |
|---|---|---|
| committer | Joerg Roedel <joerg.roedel@amd.com> | 2025-11-17 09:49:44 +0100 |
| commit | c77ad28bfee0df9cbc719eb5adc9864462cfb65b (patch) | |
| tree | f731d2d3bd7f9f42f9230fc463513dd00a5e1093 | |
| parent | 4f2a4aec1cf6f89743cf7acaac6c62eb2f21120b (diff) | |
iommu/mediatek-v1: fix device leak on probe_device()
Make sure to drop the reference taken to the iommu platform device when
looking up its driver data during probe_device().
Fixes: b17336c55d89 ("iommu/mediatek: add support for mtk iommu generation one HW")
Cc: stable@vger.kernel.org # 4.8
Cc: Honghui Zhang <honghui.zhang@mediatek.com>
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_v1.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/iommu/mtk_iommu_v1.c b/drivers/iommu/mtk_iommu_v1.c index 3b45650263ac..363c61a0009c 100644 --- a/drivers/iommu/mtk_iommu_v1.c +++ b/drivers/iommu/mtk_iommu_v1.c @@ -438,6 +438,8 @@ static int mtk_iommu_v1_create_mapping(struct device *dev, return -EINVAL; dev_iommu_priv_set(dev, platform_get_drvdata(m4updev)); + + put_device(&m4updev->dev); } ret = iommu_fwspec_add_ids(dev, args->args, 1); |