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| author | Johan Hovold <johan@kernel.org> | 2025-10-20 07:53:08 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2026-01-11 17:19:06 +0300 |
| commit | ed1c3829751c6200ecee9edc27f5ade52cc8dd25 (patch) | |
| tree | 50a2881b4b1336da201e1ddb9c14b04ebd198639 /drivers | |
| parent | 5a86905c225358c789b1aa7acb00dcc3c49e83f0 (diff) | |
| download | linux-ed1c3829751c6200ecee9edc27f5ade52cc8dd25.tar.xz | |
iommu/ipmmu-vmsa: fix device leak on of_xlate()
commit 80aa518452c4aceb9459f9a8e3184db657d1b441 upstream.
Make sure to drop the reference taken to the iommu platform device when
looking up its driver data during of_xlate().
Fixes: 7b2d59611fef ("iommu/ipmmu-vmsa: Replace local utlb code with fwspec ids")
Cc: stable@vger.kernel.org # 4.14
Cc: Magnus Damm <damm+renesas@opensource.se>
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')
| -rw-r--r-- | drivers/iommu/ipmmu-vmsa.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/iommu/ipmmu-vmsa.c b/drivers/iommu/ipmmu-vmsa.c index 3b30c0752274..4058e14c074e 100644 --- a/drivers/iommu/ipmmu-vmsa.c +++ b/drivers/iommu/ipmmu-vmsa.c @@ -714,6 +714,8 @@ static int ipmmu_init_platform_device(struct device *dev, dev_iommu_priv_set(dev, platform_get_drvdata(ipmmu_pdev)); + put_device(&ipmmu_pdev->dev); + return 0; } |