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f0c485663d5976acb1cb490981a4763a215df75e
If an error occurred before calling the 'v4l2_device_register' func, and then goto error, but no need to call 'v4l2_device_unregister' func. Signed-off-by: Zqiang <qiang.zhang@windriver.com> Signed-off-by: Felipe Balbi <balbi@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.
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