Nicholas Mc Guire 6c4abbeb25 ARM: hisi: check of_iomap and fix missing of_node_put
[ Upstream commit 81646a3d39ef14749301374a3a0b8311384cd412 ]

of_find_compatible_node() returns a device node with refcount incremented
and thus needs an explicit of_node_put(). Further relying on an unchecked
of_iomap() which can return NULL is problematic here, after all ctrl_base
is critical enough for hix5hd2_set_cpu() to call BUG() if not available
so a check seems mandated here.

Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org>
0002 Fixes: commit 06cc5c1d4d73 ("ARM: hisi: enable hix5hd2 SoC")
Signed-off-by: Wei Xu <xuwei5@hisilicon.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-09-26 08:38:10 +02:00
2018-09-26 08:38:10 +02:00
2018-09-19 22:43:45 +02:00
2018-09-26 08:38:04 +02:00
2018-09-19 22:43:49 +02:00

Linux kernel
============

This file was moved to Documentation/admin-guide/README.rst

Please notice that there are several guides for kernel developers and users.
These guides can be rendered in a number of formats, like HTML and PDF.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
See Documentation/00-INDEX for a list of what is contained in each file.

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.
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