[ 25/75] TTY: disable debugging warning

From: Greg Kroah-Hartman
Date: Mon Mar 18 2013 - 17:59:08 EST

3.8-stable review patch. If anyone has any objections, please let me know.


From: Jiri Slaby <jslaby@xxxxxxx>

commit 34dcfb8479ab3c3669561eb9279284cb0eda2572 upstream.

We added a warning to flush_to_ldisc to report cases when it is called
with a NULL tty. It was for debugging purposes and it lead to a
patchset from Peter Hurley. The patchset however did not make it to
3.9, so disable the warning now to not disturb people.

We can re-add it when the series is in and we are hunting for another

Reported-by: David Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Jiri Slaby <jslaby@xxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

drivers/tty/tty_buffer.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/tty/tty_buffer.c
+++ b/drivers/tty/tty_buffer.c
@@ -473,7 +473,7 @@ static void flush_to_ldisc(struct work_s
struct tty_ldisc *disc;

tty = port->itty;
- if (WARN_RATELIMIT(tty == NULL, "tty is NULL\n"))
+ if (tty == NULL)

disc = tty_ldisc_ref(tty);

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