USB: mxuport: fix null deref when used as a console
authorJohan Hovold <johan@kernel.org>
Wed, 18 Feb 2015 04:51:07 +0000 (11:51 +0700)
committerJohan Hovold <johan@kernel.org>
Thu, 26 Feb 2015 16:13:59 +0000 (17:13 +0100)
commitdb81de767e375743ebb0ad2bcad3326962c2b67e
treee4f1ed8f9696f35e408093f6be8e64c39c1a6bbb
parentd6f7f41274b548435ab5de1041a492fc4a714196
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>
drivers/usb/serial/mxuport.c