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commit6647f7a06eupstream. Check return value of lp5xx_read and if non-zero, jump to code at end of the function, causing lp5523_stop_all_engines to be executed before returning the error value up the call chain. This fixes the original commit (248b57015f) which was reverted due to the University of Minnesota problems. Cc: stable <stable@vger.kernel.org> Acked-by: Jacek Anaszewski <jacek.anaszewski@gmail.com> Signed-off-by: Phillip Potter <phil@philpotter.co.uk> Link: https://lore.kernel.org/r/20210503115736.2104747-10-gregkh@linuxfoundation.org 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 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.