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tty: Deprecate ldisc .chars_in_buffer() method
Signed-off-by: Peter Hurley <peter@hurleysoftware.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -297,6 +297,7 @@ static ssize_t chars_in_buffer(struct tty_struct *tty)
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static ssize_t n_tty_chars_in_buffer(struct tty_struct *tty)
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{
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WARN_ONCE(1, "%s is deprecated and scheduled for removal.", __func__);
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return chars_in_buffer(tty);
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}
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