s390/3270: hangup the 3270 tty after a disconnect
authorMartin Schwidefsky <schwidefsky@de.ibm.com>
Mon, 2 May 2016 13:09:01 +0000 (15:09 +0200)
committerMartin Schwidefsky <schwidefsky@de.ibm.com>
Tue, 10 May 2016 11:24:47 +0000 (13:24 +0200)
commit0c756914920fc13061222d12fbbe85990df64928
treea30e9bf0f357a96fec8be39cc80b7eb4deef27f3
parent7e36eff1eece29eaa37501806ded0e0fb88e61ee
s390/3270: hangup the 3270 tty after a disconnect

The disconnect and later reconnect of a 3270 terminal does not do
a tty hangup. The current session is resumed which is a security
issue.

Do a tty hangup after a unit check has been received.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
drivers/s390/char/tty3270.c