tree e4f1ed8f9696f35e408093f6be8e64c39c1a6bbb
parent d6f7f41274b548435ab5de1041a492fc4a714196
author Johan Hovold <johan@kernel.org> 1424235067 +0700
committer Johan Hovold <johan@kernel.org> 1424967239 +0100

USB: mxuport: fix null deref when used as a console

Fix null-pointer dereference at probe when the device is used as a
console, in which case the tty argument to open will be NULL.

Fixes: ee467a1f2066 ("USB: serial: add Moxa UPORT 12XX/14XX/16XX
driver")
Cc: stable <stable@vger.kernel.org>	# v3.14
Signed-off-by: Johan Hovold <johan@kernel.org>
Acked-by: Greg Kroah-Hartman <greg@kroah.com>