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604c654323
commit3ddb4ce1e6upstream. Currently the expression lsr | UART_LSR_TEMT is always true and this seems suspect. I believe the intent was to mask lsr with UART_LSR_TEMT to check that bit, so the expression should be using the & operator instead. Fix this. Fixes:b9c2470fb1("serial: tegra: flush the RX fifo on frame error") Signed-off-by: Colin Ian King <colin.king@canonical.com> Cc: stable <stable@vger.kernel.org> Link: https://lore.kernel.org/r/20210426105514.23268-1-colin.king@canonical.com 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.