tree 5efa814f84a21ab82f81f00ed3016e05ac0098d9
parent e218eb32f508c828dc87d0d724c70e2cf9b7866e
author Peter Hurley <peter@hurleysoftware.com> 1413485990 -0400
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> 1415233574 -0800

tty: Update code comment in __proc_set_tty()

The session and foreground process group pid references will be
non-NULL if tiocsctty() is stealing the controlling tty from another
session (ie., arg == 1 in tiocsctty()).

Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Reviewed-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>