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Chen Zhou ffa302efe8 ata: pata_macio: fix comparing pointer to 0
Fixes coccicheck warning:

./drivers/ata/pata_macio.c:982:31-32:
	WARNING comparing pointer to 0, suggest !E

Compare pointer-typed values to NULL rather than 0.

Acked-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Signed-off-by: Chen Zhou <chenzhou10@huawei.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
History 2020-01-22 10:31:55 -07:00
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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.