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由 Johan Hovold 提交于
Make sure to handle an infinite timeout (0). Note that wait_until_sent is currently never called with a 0-timeout argument due to a bug in tty_wait_until_sent. Fixes: dcf01050 ("USB: serial: add generic wait_until_sent implementation") Cc: stable <stable@vger.kernel.org> # v3.10 Signed-off-by: NJohan Hovold <johan@kernel.org> Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
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