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14e0dd84db
commitb3a81c777dupstream. On HID report descriptor parsing error the code displays bogus pointer instead of error offset (subtracts start=NULL from end). Make the message more useful by displaying correct error offset and include total buffer size for reference. This was carried over from ancient times - "Fixed" commit just promoted the message from DEBUG to ERROR. Cc: stable@vger.kernel.org Fixes:8c3d52fc39("HID: make parser more verbose about parsing errors by default") Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> Signed-off-by: Jiri Kosina <jkosina@suse.cz> 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.
See Documentation/00-INDEX for a list of what is contained in each file.
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.