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b374c562ee
Commit33ae787b74("serial: tegra: add support to ignore read") added support for dropping input in case CREAD isn't set, but for PIO the ignore_status_mask wasn't checked until after the character had been put in the receive buffer. Note that the NULL tty-port test is bogus and will be removed by a follow-on patch. Fixes:33ae787b74("serial: tegra: add support to ignore read") Cc: stable <stable@vger.kernel.org> # 5.4 Cc: Shardar Shariff Md <smohammed@nvidia.com> Cc: Krishna Yarlagadda <kyarlagadda@nvidia.com> Signed-off-by: Johan Hovold <johan@kernel.org> Acked-by: Thierry Reding <treding@nvidia.com> Link: https://lore.kernel.org/r/20200710135947.2737-2-johan@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.