tty: Add ldisc hangup debug messages
Expected typical debug log:
[ 582.721965] tty_open: opening pts3...
[ 582.721970] tty_open: opening pts3...
[ 582.721977] tty_release: pts3 (tty count=3)...
[ 582.721980] tty_release: ptm3 (tty count=1)...
[ 582.722015] pts3 vhangup...
[ 582.722020] tty_ldisc_hangup: pts3: closing ldisc: ffff88007a920540
[ 582.724128] tty_release: pts3 (tty count=2)...
[ 582.724217] tty_ldisc_hangup: pts3: re-opened ldisc: ffff88007a920580
[ 582.724221] tty_release: ptm3: final close
[ 582.724234] tty_ldisc_release: ptm3: closing ldisc: ffff88007a920a80
[ 582.724238] tty_ldisc_release: ptm3: ldisc closed
[ 582.724241] tty_release: ptm3: freeing structure...
[ 582.724741] tty_open: opening pts3...
Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
1 file changed