net, TTY: initialize tty->driver_data before usage
authorSasha Levin <sasha.levin@oracle.com>
Fri, 5 Oct 2012 00:01:21 +0000 (20:01 -0400)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 5 Oct 2012 16:26:01 +0000 (09:26 -0700)
commit6f5601251d7e306b8a7bf5e674c5307d865c0fa1
tree55f3e550181d02ecc8dfe7d09a292c98ece96469
parentecefbd94b834fa32559d854646d777c56749ef1c
net, TTY: initialize tty->driver_data before usage

Commit 9c650ffc ("TTY: ircomm_tty, add tty install") split _open() to
_install() and _open(). It also moved the initialization of driver_data
out of open(), but never added it to install() - causing a NULL ptr
deref whenever the driver was used.

Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
Acked-by: Jiri Slaby <jslaby@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
net/irda/ircomm/ircomm_tty.c