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441c938168
No need to panic in vc_uniscr_copy_line(), just warn. This should never happen though, as vc_uniscr_check() is supposed to be called before vc_uniscr_copy_line(). And the former checks vc->vc_uni_lines already. In any case, use _ONCE as vc_uniscr_copy_line() is called repeatedly for each line. So don't flood the logs, just in case. Signed-off-by: Jiri Slaby (SUSE) <jirislaby@kernel.org> Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Link: https://lore.kernel.org/r/20230112080136.4929-7-jirislaby@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.