USB: option: never bind to a usb-storage interface
There are many modems in addition to the D-Link DWM 652
exposing the CD interface in modem mode, and some expose
an integrated card reader as well. Always ignore these
interfaces.
Signed-off-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index e9cffac..2f01b2d 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -1340,13 +1340,8 @@
&serial->interface->cur_altsetting->desc;
struct usb_device_descriptor *dev_desc = &serial->dev->descriptor;
- /*
- * D-Link DWM 652 still exposes CD-Rom emulation interface in modem
- * mode.
- */
- if (dev_desc->idVendor == DLINK_VENDOR_ID &&
- dev_desc->idProduct == DLINK_PRODUCT_DWM_652 &&
- iface_desc->bInterfaceClass == 0x08)
+ /* Never bind to the CD-Rom emulation interface */
+ if (iface_desc->bInterfaceClass == 0x08)
return -ENODEV;
/* Bandrich modem and AT command interface is 0xff */