serial: ifx6x60: fix memory leak

If tty_register_driver() failed then tty_driver is still alive.
Free it with put_tty_driver().

Signed-off-by: Vasiliy Kulikov <segoon@openwall.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Vasiliy Kulikov 2010-11-19 21:41:45 +03:00 • committed by Greg Kroah-Hartman
commit a4fb0b228e