tty: Deprecate ldisc .chars_in_buffer() method

peterhurley · gregkh · commit 475340846f4c · 2013-07-23T16:43:00.000-07:00
Signed-off-by: Peter Hurley &lt;peter@hurleysoftware.com&gt;
Signed-off-by: Greg Kroah-Hartman &lt;gregkh@linuxfoundation.org&gt;
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);
 }
 

Original file line number	Diff line number	Diff line change
`@@ -297,6 +297,7 @@ static ssize_t chars_in_buffer(struct tty_struct *tty)`
`297`	`297`
`298`	`298`	`static ssize_t n_tty_chars_in_buffer(struct tty_struct *tty)`
`299`	`299`	`{`
	`300`	`+ WARN_ONCE(1, "%s is deprecated and scheduled for removal.", __func__);`
`300`	`301`	`return chars_in_buffer(tty);`
`301`	`302`	`}`
`302`	`303`