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The function gpib_register_driver() can fail, resulting in a semi-registered module and does not return an error value if it fails. Return the error value if the first gpib_register_driver() fails and if the second gpib_register_driver() fails unregister the first gpib_register_driver() and return the error value. Add pr_err() statements indicating the fail and the error value. Signed-off-by: Nihar Chaithanya <niharchaithanya@gmail.com> Link: https://lore.kernel.org/r/20241230185633.175690-11-niharchaithanya@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.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 reStructuredText 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.