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Christophe JAILLET 7d6588931c gpio: mpc8xxx: Fix a potential double iounmap call in 'mpc8xxx_probe()' Commit `76c47d1449` ("gpio: mpc8xxx: Add ACPI support") has switched to a managed version when dealing with 'mpc8xxx_gc->regs'. So the corresponding 'iounmap()' call in the error handling path and in the remove should be removed to avoid a double unmap. This also allows some simplification in the probe. All the error handling paths related to managed resources can be direct returns and a NULL check in what remains in the error handling path can be removed. Fixes: `76c47d1449` ("gpio: mpc8xxx: Add ACPI support") Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>		History 2021-08-31 12:10:12 +02:00
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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.