tty: Deprecate ldisc .chars_in_buffer() method

Signed-off-by: Peter Hurley <peter@hurleysoftware.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
mariux64 · Jul 23, 2013 · 4753408 · 4753408
1 parent a19d0c6
commit 4753408
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c
@@ -297,6 +297,7 @@ static ssize_t chars_in_buffer(struct tty_struct *tty)
 
 static ssize_t n_tty_chars_in_buffer(struct tty_struct *tty)
 {
+	WARN_ONCE(1, "%s is deprecated and scheduled for removal.", __func__);
 	return chars_in_buffer(tty);
 }