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[ Upstream commit2efd7f6eb9] In pseries_devicetree_update(), with each call to ibm,update-nodes the partition firmware communicates the node to be deleted or updated by placing its phandle in the work buffer. Each of delete_dt_node(), update_dt_node(), and add_dt_node() have duplicate lookups using the phandle value and corresponding refcount management. Move the lookup and of_node_put() into pseries_devicetree_update(), and emit a warning on any failed lookups. Signed-off-by: Nathan Lynch <nathanl@linux.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20201207215200.1785968-29-nathanl@linux.ibm.com Stable-dep-of:319fa1a52e("powerpc/pseries/mobility: ignore ibm, platform-facilities updates") Signed-off-by: Sasha Levin <sashal@kernel.org>
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.