iommu/ipmmu-vmsa: fix device leak on of_xlate()

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commit 80aa518452 upstream.

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

Fixes: 7b2d59611f ("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>

...

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Johan Hovold 2025-10-20 06:53:08 +02:00 • committed by Greg Kroah-Hartman

parent 480f40ba50

commit 4287295758

1 changed files with 2 additions and 0 deletions

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drivers/iommu/ipmmu-vmsa.c

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