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Johan Hovold c08934a612 iommu/tegra: 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().

Note that commit 9826e393e4 ("iommu/tegra-smmu: Fix missing
put_device() call in tegra_smmu_find") fixed the leak in an error path,
but the reference is still leaking on success.

Fixes: 8918465163 ("memory: Add NVIDIA Tegra memory controller support")
Cc: stable@vger.kernel.org	# 3.19: 9826e393e4
Cc: Miaoqian Lin <linmq006@gmail.com>
Acked-by: Robin Murphy <robin.murphy@arm.com>
Acked-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
History 2025-11-17 09:49:45 +01:00
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Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
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    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
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the problems which may result by upgrading your kernel.