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commit4424c35eadupstream. It seems that the lcd2s_redefine_char() has never been properly tested. The buffer is filled by DEF_CUSTOM_CHAR command followed by the character number (from 0 to 7), but immediately after that these bytes are rewritten by the decoded hex stream. Fix the index to fill the buffer after the command and number. Fixes:8c9108d014("auxdisplay: add a driver for lcd2s character display") Cc: Lars Poeschel <poeschel@lemonage.de> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org> [fixed typo in commit message] Signed-off-by: Miguel Ojeda <ojeda@kernel.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.