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Static analysis reports this representative problem
atomisp-gc2235.c:867:20: warning: The right operand
of '|' is a garbage value
id = ((high << 8) | low);
^ ~~~
When gc2235_read_reg() fails, its return val is never written.
For gc2235_detect(), high and low are or-ed and compared
with GC2235_ID, 0x2235. Initialize both to 0 and skip
checking the read returns, it's errors are not passed up, only
-ENODEV is.
Link: https://lore.kernel.org/linux-media/20210521194805.2078135-1-trix@redhat.com
Signed-off-by: Tom Rix <trix@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@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.