n_tty: Only flush echo output if actually output
authorPeter Hurley <peter@hurleysoftware.com>
Sat, 15 Jun 2013 14:04:27 +0000 (10:04 -0400)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 24 Jul 2013 00:02:22 +0000 (17:02 -0700)
Don't have the driver flush received echoes if no echoes were
actually output.

Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/tty/n_tty.c

Simple merge