Commit 40570334 authored Feb 18, 2015 by Johan Hovold Committed by Sasha Levin Mar 14, 2015

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



commit db81de767e375743ebb0ad2bcad3326962c2b67e upstream.

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: ee467a1f ("USB: serial: add Moxa UPORT 12XX/14XX/16XX
driver")
Signed-off-by: Johan Hovold <johan@kernel.org>
Acked-by: Greg Kroah-Hartman <greg@kroah.com>
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>

parent e7d3ac35

drivers/usb/serial/mxuport.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -1284,6 +1284,7 @@ static int mxuport_open(struct tty_struct tty, struct usb_serial_port port)
		}

		/* Initial port termios */
		if (tty)
		mxuport_set_termios(tty, port, NULL);

		/*