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The usb_register() function can fail and returns an error value which is not returned. The function gpib_register_driver() can also fail which can result in semi-registered module. In case gpib_register_driver() fails unregister the previous usb driver registering function. Return the error value if gpib_register_driver() or usb_register() functions fail. Add pr_err when registering driver fails also indicating the error value. Signed-off-by: Nihar Chaithanya <niharchaithanya@gmail.com> Link: https://lore.kernel.org/r/20241230185633.175690-4-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.