Jiri Slaby 6bfbfcfc58 tty: make everyone's write_room return >= 0
The tty line disciplines don't expect tty_operations::write_room to
return negative values. Fix the five drivers which violate this.

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Link: https://lore.kernel.org/r/20210302062214.29627-44-jslaby@suse.cz
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-03-10 09:34:09 +01:00
2021-03-10 09:34:06 +01:00
2021-01-24 14:27:20 +01:00
2021-03-02 17:25:46 -07:00
2021-02-26 09:41:03 -08:00
2021-03-10 09:34:06 +01:00
2021-02-26 09:41:03 -08:00
2021-02-26 09:41:03 -08:00
2021-03-10 09:34:06 +01:00
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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.
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