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Johan Hovold fa4e003b8f iommu/omap: fix device leaks on probe_device() 
commit b587069106 upstream.

Make sure to drop the references taken to the iommu platform devices
when looking up their driver data during probe_device().

Note that the arch data device pointer added by commit 604629bcb5
("iommu/omap: add support for late attachment of iommu devices") has
never been used. Remove it to underline that the references are not
needed.

Fixes: 9d5018deec ("iommu/omap: Add support to program multiple iommus")
Fixes: 7d6827748d ("iommu/omap: Fix iommu archdata name for DT-based devices")
Cc: stable@vger.kernel.org	# 3.18
Cc: Suman Anna <s-anna@ti.com>
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>
History 2026-01-19 13:10:00 +01:00
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README 

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
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

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

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.