Commit 656d2b39 authored Feb 28, 2012 by Greg Kroah-Hartman

USB: ftdi_sio: fix problem when the manufacture is a NULL string



On some misconfigured ftdi_sio devices, if the manufacturer string is
NULL, the kernel will oops when the device is plugged in.  This patch
fixes the problem.

Reported-by: Wojciech M Zabolotny <W.Zabolotny@elka.pw.edu.pl>
Tested-by: Wojciech M Zabolotny <W.Zabolotny@elka.pw.edu.pl>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent 6d161b99

drivers/usb/serial/ftdi_sio.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -1769,7 +1769,8 @@ static int ftdi_8u2232c_probe(struct usb_serial *serial)

		dbg("%s", __func__);

		if (strcmp(udev->manufacturer, "CALAO Systems") == 0)
		if ((udev->manufacturer) &&
		(strcmp(udev->manufacturer, "CALAO Systems") == 0))
		return ftdi_jtag_probe(serial);

		return 0;